|  | @@ -2,277 +2,334 @@
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				|  |  |    ******************************************************************************
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				|  |  |    * @file    stm32f2xx_hal_hash.c
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				|  |  |    * @author  MCD Application Team
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				|  |  | +  * @version V1.1.0
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				|  |  | +  * @date    09-October-2015
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				|  |  |    * @brief   HASH HAL module driver.
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				|  |  | -  *          This file provides firmware functions to manage the following
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				|  |  | +  *          This file provides firmware functions to manage the following 
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				|  |  |    *          functionalities of the HASH peripheral:
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				|  |  | -  *           + Initialization and de-initialization methods
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				|  |  | -  *           + HASH or HMAC processing in polling mode
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				|  |  | -  *           + HASH or HMAC processing in interrupt mode
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				|  |  | -  *           + HASH or HMAC processing in DMA mode
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				|  |  | -  *           + Peripheral State methods
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				|  |  | -  *           + HASH or HMAC processing suspension/resumption
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				|  |  | -  *
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				|  |  | +  *           + Initialization and de-initialization functions
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				|  |  | +  *           + HASH/HMAC Processing functions by algorithm using polling mode
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				|  |  | +  *           + HASH/HMAC functions by algorithm using interrupt mode
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				|  |  | +  *           + HASH/HMAC functions by algorithm using DMA mode
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				|  |  | +  *           + Peripheral State functions
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				|  |  | +  *         
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				|  |  |    @verbatim
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				|  |  | - ===============================================================================
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				|  |  | +  ==============================================================================
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				|  |  |                       ##### How to use this driver #####
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				|  |  | - ===============================================================================
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				|  |  | +  ==============================================================================
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				|  |  |      [..]
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				|  |  |      The HASH HAL driver can be used as follows:
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				|  |  | -
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				|  |  |      (#)Initialize the HASH low level resources by implementing the HAL_HASH_MspInit():
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				|  |  | -        (##) Enable the HASH interface clock using __HASH_CLK_ENABLE()
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				|  |  | -        (##) When resorting to interrupt-based APIs (e.g. HAL_HASH_xxx_Start_IT())
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				|  |  | +        (##) Enable the HASH interface clock using __HAL_RCC_HASH_CLK_ENABLE()
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				|  |  | +        (##) In case of using processing APIs based on interrupts (e.g. HAL_HMAC_SHA1_Start_IT())
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				|  |  |              (+++) Configure the HASH interrupt priority using HAL_NVIC_SetPriority()
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				|  |  |              (+++) Enable the HASH IRQ handler using HAL_NVIC_EnableIRQ()
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				|  |  | -            (+++) In HASH IRQ handler, call HAL_HASH_IRQHandler() API
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				|  |  | -        (##) When resorting to DMA-based APIs  (e.g. HAL_HASH_xxx_Start_DMA())
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				|  |  | -            (+++) Enable the DMAx interface clock using
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				|  |  | -                   __DMAx_CLK_ENABLE()
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				|  |  | -            (+++) Configure and enable one DMA stream to manage data transfer from
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				|  |  | +            (+++) In HASH IRQ handler, call HAL_HASH_IRQHandler()
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				|  |  | +        (##) In case of using DMA to control data transfer (e.g. HAL_HMAC_SHA1_Start_DMA())
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				|  |  | +            (+++) Enable the DMAx interface clock using __DMAx_CLK_ENABLE()
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				|  |  | +            (+++) Configure and enable one DMA stream one for managing data transfer from
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				|  |  |                  memory to peripheral (input stream). Managing data transfer from
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				|  |  | -                peripheral to memory can be performed only using CPU.
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				|  |  | +                peripheral to memory can be performed only using CPU
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				|  |  |              (+++) Associate the initialized DMA handle to the HASH DMA handle
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				|  |  |                  using  __HAL_LINKDMA()
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				|  |  |              (+++) Configure the priority and enable the NVIC for the transfer complete
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				|  |  | -                interrupt on the DMA Stream: use
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				|  |  | -                 HAL_NVIC_SetPriority() and
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				|  |  | -                 HAL_NVIC_EnableIRQ()
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				|  |  | -
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				|  |  | -    (#)Initialize the HASH HAL using HAL_HASH_Init(). This function:
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				|  |  | -        (##) resorts to HAL_HASH_MspInit() for low-level initialization,
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				|  |  | -        (##) configures the data type: 1-bit, 8-bit, 16-bit or 32-bit.
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				|  |  | -
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				|  |  | -    (#)Three processing schemes are available:
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				|  |  | +                interrupt on the DMA Stream using HAL_NVIC_SetPriority() and HAL_NVIC_EnableIRQ()
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				|  |  | +    (#)Initialize the HASH HAL using HAL_HASH_Init(). This function configures mainly:
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				|  |  | +        (##) The data type: 1-bit, 8-bit, 16-bit and 32-bit.
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				|  |  | +        (##) For HMAC, the encryption key.
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				|  |  | +        (##) For HMAC, the key size used for encryption.
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				|  |  | +    (#)Three processing functions are available:
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				|  |  |          (##) Polling mode: processing APIs are blocking functions
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				|  |  | -             i.e. they process the data and wait till the digest computation is finished,
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				|  |  | -             e.g. HAL_HASH_xxx_Start() for HASH or HAL_HMAC_xxx_Start() for HMAC
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				|  |  | -        (##) Interrupt mode: processing APIs are not blocking functions
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				|  |  | -                i.e. they process the data under interrupt,
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				|  |  | -                e.g. HAL_HASH_xxx_Start_IT() for HASH or HAL_HMAC_xxx_Start_IT() for HMAC
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				|  |  | +             i.e. they process the data and wait till the digest computation is finished
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				|  |  | +             e.g. HAL_HASH_SHA1_Start()
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				|  |  | +        (##) Interrupt mode: encryption and decryption APIs are not blocking functions
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				|  |  | +                i.e. they process the data under interrupt
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				|  |  | +                e.g. HAL_HASH_SHA1_Start_IT()
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				|  |  |          (##) DMA mode: processing APIs are not blocking functions and the CPU is
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				|  |  | -             not used for data transfer i.e. the data transfer is ensured by DMA,
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				|  |  | -                e.g. HAL_HASH_xxx_Start_DMA() for HASH or HAL_HMAC_xxx_Start_DMA()
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				|  |  | -                for HMAC. Note that in DMA mode, a call to HAL_HASH_xxx_Finish()
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				|  |  | -                is then required to retrieve the digest.
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				|  |  | -
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				|  |  | -    (#)When the processing function is called after HAL_HASH_Init(), the HASH peripheral is
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				|  |  | -       initialized and processes the buffer fed in input. When the input data have all been
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				|  |  | -       fed to the IP, the digest computation can start.
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				|  |  | -
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				|  |  | -    (#)Multi-buffer processing is possible in polling and DMA mode.
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				|  |  | -        (##) In polling mode, only multi-buffer HASH processing is possible.
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				|  |  | -             API HAL_HASH_xxx_Accumulate() must be called for each input buffer, except for the last one.
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				|  |  | -             User must resort to HAL_HASH_xxx_Start() to enter the last one and retrieve as
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				|  |  | -             well the computed digest.
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				|  |  | -
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				|  |  | -        (##) In DMA mode, multi-buffer HASH and HMAC processing are possible.
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				|  |  | -              (+++) HASH processing DMA mode: processing APIs are not blocking functions and the CPU is
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				|  |  |               not used for data transfer i.e. the data transfer is ensured by DMA
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				|  |  |                  e.g. HAL_HASH_SHA1_Start_DMA()
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				|  |  | -             (+++) HMAC processing (requires to resort to extended functions):
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				|  |  | -             after initialization, the key and the first input buffer are entered
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				|  |  | -             in the IP with the API HAL_HMACEx_xxx_Step1_2_DMA(). This carries out HMAC step 1 and
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				|  |  | -             starts step 2.
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				|  |  | -             The following buffers are next entered with the API  HAL_HMACEx_xxx_Step2_DMA(). At this
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				|  |  | -             point, the HMAC processing is still carrying out step 2.
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				|  |  | -             Then, step 2 for the last input buffer and step 3 are carried out by a single call
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				|  |  | -             to HAL_HMACEx_xxx_Step2_3_DMA().
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				|  |  | -
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				|  |  | -             The digest can finally be retrieved with a call to API HAL_HASH_xxx_Finish().
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				|  |  | -
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				|  |  | -
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				|  |  | -    (#)Context swapping.
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				|  |  | -        (##) Two APIs are available to suspend HASH or HMAC processing:
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				|  |  | -             (+++) HAL_HASH_SwFeed_ProcessSuspend() when data are entered by software (polling or IT mode),
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				|  |  | -             (+++) HAL_HASH_DMAFeed_ProcessSuspend() when data are entered by DMA.
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				|  |  | -
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				|  |  | -        (##) When HASH or HMAC processing is suspended, HAL_HASH_ContextSaving() allows
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				|  |  | -            to save in memory the IP context. This context can be restored afterwards
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				|  |  | -            to resume the HASH processing thanks to HAL_HASH_ContextRestoring().
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				|  |  | -
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				|  |  | -        (##) Once the HASH IP has been restored to the same configuration as that at suspension
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				|  |  | -             time, processing can be restarted with the same API call (same API, same handle,
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				|  |  | -             same parameters) as done before the suspension. Relevant parameters to restart at
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				|  |  | -             the proper location are internally saved in the HASH handle.
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				|  |  | -
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				|  |  | +    (#)When the processing function is called at first time after HAL_HASH_Init()
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				|  |  | +       the HASH peripheral is initialized and processes the buffer in input.
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				|  |  | +       After that, the digest computation is started.
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				|  |  | +       When processing multi-buffer use the accumulate function to write the
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				|  |  | +       data in the peripheral without starting the digest computation. In last 
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				|  |  | +       buffer use the start function to input the last buffer ans start the digest
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				|  |  | +       computation.
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				|  |  | +       (##) e.g. HAL_HASH_SHA1_Accumulate() : write 1st data buffer in the peripheral without starting the digest computation
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				|  |  | +       (##) write (n-1)th data buffer in the peripheral without starting the digest computation
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				|  |  | +       (##) HAL_HASH_SHA1_Start() : write (n)th data buffer in the peripheral and start the digest computation
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				|  |  | +    (#)In HMAC mode, there is no Accumulate API. Only Start API is available.
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				|  |  | +    (#)In case of using DMA, call the DMA start processing e.g. HAL_HASH_SHA1_Start_DMA().
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				|  |  | +       After that, call the finish function in order to get the digest value
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				|  |  | +       e.g. HAL_HASH_SHA1_Finish()
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				|  |  |      (#)Call HAL_HASH_DeInit() to deinitialize the HASH peripheral.
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				|  |  |  
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				|  |  | -     *** Callback registration ***
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				|  |  | -     ===================================
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				|  |  | -     [..]
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				|  |  | -      (#) The compilation define  USE_HAL_HASH_REGISTER_CALLBACKS when set to 1
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				|  |  | -          allows the user to configure dynamically the driver callbacks.
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				|  |  | -          Use function @ref HAL_HASH_RegisterCallback() to register a user callback.
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				|  |  | -
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				|  |  | -      (#) Function @ref HAL_HASH_RegisterCallback() allows to register following callbacks:
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				|  |  | -            (+) InCpltCallback    : callback for input completion.
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				|  |  | -            (+) DgstCpltCallback  : callback for digest computation completion.
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				|  |  | -            (+) ErrorCallback     : callback for error.
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				|  |  | -            (+) MspInitCallback   : HASH MspInit.
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				|  |  | -            (+) MspDeInitCallback : HASH MspDeInit.
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				|  |  | -          This function takes as parameters the HAL peripheral handle, the Callback ID
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				|  |  | -          and a pointer to the user callback function.
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				|  |  | -
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				|  |  | -      (#) Use function @ref HAL_HASH_UnRegisterCallback() to reset a callback to the default
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				|  |  | -          weak (surcharged) function.
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				|  |  | -          @ref HAL_HASH_UnRegisterCallback() takes as parameters the HAL peripheral handle,
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				|  |  | -          and the Callback ID.
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				|  |  | -          This function allows to reset following callbacks:
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				|  |  | -            (+) InCpltCallback    : callback for input completion.
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				|  |  | -            (+) DgstCpltCallback  : callback for digest computation completion.
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				|  |  | -            (+) ErrorCallback     : callback for error.
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				|  |  | -            (+) MspInitCallback   : HASH MspInit.
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				|  |  | -            (+) MspDeInitCallback : HASH MspDeInit.
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				|  |  | -
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				|  |  | -      (#) By default, after the @ref HAL_HASH_Init and if the state is HAL_HASH_STATE_RESET
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				|  |  | -          all callbacks are reset to the corresponding legacy weak (surcharged) functions:
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				|  |  | -          examples @ref HAL_HASH_InCpltCallback(), @ref HAL_HASH_DgstCpltCallback()
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				|  |  | -          Exception done for MspInit and MspDeInit callbacks that are respectively
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				|  |  | -          reset to the legacy weak (surcharged) functions in the @ref HAL_HASH_Init
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				|  |  | -          and @ref HAL_HASH_DeInit only when these callbacks are null (not registered beforehand)
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				|  |  | -          If not, MspInit or MspDeInit are not null, the @ref HAL_HASH_Init and @ref HAL_HASH_DeInit
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				|  |  | -          keep and use the user MspInit/MspDeInit callbacks (registered beforehand).
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				|  |  | -
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				|  |  | -          Callbacks can be registered/unregistered in READY state only.
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				|  |  | -          Exception done for MspInit/MspDeInit callbacks that can be registered/unregistered
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				|  |  | -          in READY or RESET state, thus registered (user) MspInit/DeInit callbacks can be used
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				|  |  | -          during the Init/DeInit.
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				|  |  | -          In that case first register the MspInit/MspDeInit user callbacks
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				|  |  | -          using @ref HAL_HASH_RegisterCallback before calling @ref HAL_HASH_DeInit
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				|  |  | -          or @ref HAL_HASH_Init function.
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				|  |  | -
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				|  |  | -          When The compilation define USE_HAL_HASH_REGISTER_CALLBACKS is set to 0 or
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				|  |  | -          not defined, the callback registering feature is not available
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				|  |  | -          and weak (surcharged) callbacks are used.
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				|  |  | -
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				|  |  |    @endverbatim
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				|  |  |    ******************************************************************************
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				|  |  |    * @attention
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				|  |  |    *
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				|  |  | -  * <h2><center>© Copyright (c) 2017 STMicroelectronics.
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				|  |  | -  * All rights reserved.</center></h2>
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				|  |  | +  * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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				|  |  | +  *
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				|  |  | +  * Redistribution and use in source and binary forms, with or without modification,
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				|  |  | +  * are permitted provided that the following conditions are met:
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				|  |  | +  *   1. Redistributions of source code must retain the above copyright notice,
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				|  |  | +  *      this list of conditions and the following disclaimer.
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				|  |  | +  *   2. Redistributions in binary form must reproduce the above copyright notice,
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				|  |  | +  *      this list of conditions and the following disclaimer in the documentation
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				|  |  | +  *      and/or other materials provided with the distribution.
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				|  |  | +  *   3. Neither the name of STMicroelectronics nor the names of its contributors
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				|  |  | +  *      may be used to endorse or promote products derived from this software
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				|  |  | +  *      without specific prior written permission.
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				|  |  |    *
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				|  |  | -  * This software component is licensed by ST under BSD 3-Clause license,
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				|  |  | -  * the "License"; You may not use this file except in compliance with the
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				|  |  | -  * License. You may obtain a copy of the License at:
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				|  |  | -  *                        opensource.org/licenses/BSD-3-Clause
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				|  |  | +  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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				|  |  | +  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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				|  |  | +  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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				|  |  | +  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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				|  |  | +  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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				|  |  | +  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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				|  |  | +  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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				|  |  | +  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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				|  |  | +  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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				|  |  | +  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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				|  |  |    *
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				|  |  |    ******************************************************************************
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				|  |  | -  */
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				|  |  | +  */ 
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				|  |  |  
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				|  |  |  /* Includes ------------------------------------------------------------------*/
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				|  |  |  #include "stm32f2xx_hal.h"
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				|  |  |  
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				|  |  | -
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				|  |  |  /** @addtogroup STM32F2xx_HAL_Driver
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				|  |  |    * @{
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				|  |  |    */
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				|  |  | -#if defined (HASH)
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				|  |  |  
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				|  |  | -/** @defgroup HASH  HASH
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				|  |  | +/** @defgroup HASH HASH
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				|  |  |    * @brief HASH HAL module driver.
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				|  |  |    * @{
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				|  |  |    */
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				|  |  |  
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				|  |  |  #ifdef HAL_HASH_MODULE_ENABLED
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				|  |  |  
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				|  |  | +#if defined(STM32F215xx) || defined(STM32F217xx)
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				|  |  | +
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				|  |  |  /* Private typedef -----------------------------------------------------------*/
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				|  |  |  /* Private define ------------------------------------------------------------*/
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				|  |  | -/** @defgroup HASH_Private_Constants HASH Private Constants
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				|  |  | -  * @{
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				|  |  | -  */
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				|  |  | -
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				|  |  | -/** @defgroup HASH_Digest_Calculation_Status HASH Digest Calculation Status
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				|  |  | +/* Private macro -------------------------------------------------------------*/
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				|  |  | +/* Private variables ---------------------------------------------------------*/
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				|  |  | +/* Private function prototypes -----------------------------------------------*/
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				|  |  | +/** @defgroup HASH_Private_Functions HASH Private Functions
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				|  |  |    * @{
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				|  |  |    */
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				|  |  | -#define HASH_DIGEST_CALCULATION_NOT_STARTED       ((uint32_t)0x00000000U) /*!< DCAL not set after input data written in DIN register */
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				|  |  | -#define HASH_DIGEST_CALCULATION_STARTED           ((uint32_t)0x00000001U) /*!< DCAL set after input data written in DIN register     */
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				|  |  | +static void HASH_DMAXferCplt(DMA_HandleTypeDef *hdma);
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				|  |  | +static void HASH_DMAError(DMA_HandleTypeDef *hdma);
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				|  |  | +static void HASH_GetDigest(uint8_t *pMsgDigest, uint8_t Size);
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				|  |  | +static void HASH_WriteData(uint8_t *pInBuffer, uint32_t Size);
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				|  |  |  /**
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				|  |  |    * @}
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				|  |  |    */
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				|  |  | -
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				|  |  | -/** @defgroup HASH_Number_Of_CSR_Registers HASH Number of Context Swap Registers
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				|  |  | +  
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				|  |  | +/* Private functions ---------------------------------------------------------*/
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				|  |  | +/** @addtogroup HASH_Private_Functions
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				|  |  |    * @{
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				|  |  |    */
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				|  |  | -#define HASH_NUMBER_OF_CSR_REGISTERS              54U     /*!< Number of Context Swap Registers */
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				|  |  | +
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				|  |  |  /**
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				|  |  | -  * @}
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				|  |  | +  * @brief  DMA HASH Input Data complete callback. 
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				|  |  | +  * @param  hdma: DMA handle
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				|  |  | +  * @retval None
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | +static void HASH_DMAXferCplt(DMA_HandleTypeDef *hdma)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +  HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
 | 
	
		
			
				|  |  | +  uint32_t inputaddr = 0;
 | 
	
		
			
				|  |  | +  uint32_t buffersize = 0;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  if((HASH->CR & HASH_CR_MODE) != HASH_CR_MODE)
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Disable the DMA transfer */
 | 
	
		
			
				|  |  | +    HASH->CR &= (uint32_t)(~HASH_CR_DMAE);
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Change HASH peripheral state */
 | 
	
		
			
				|  |  | +    hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Call Input data transfer complete callback */
 | 
	
		
			
				|  |  | +    HAL_HASH_InCpltCallback(hhash);
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  else
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Increment Interrupt counter */
 | 
	
		
			
				|  |  | +    hhash->HashInCount++;
 | 
	
		
			
				|  |  | +    /* Disable the DMA transfer before starting the next transfer */
 | 
	
		
			
				|  |  | +    HASH->CR &= (uint32_t)(~HASH_CR_DMAE);
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    if(hhash->HashInCount <= 2)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +      /* In case HashInCount = 1, set the DMA to transfer data to HASH DIN register */
 | 
	
		
			
				|  |  | +      if(hhash->HashInCount == 1)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        inputaddr = (uint32_t)hhash->pHashInBuffPtr;
 | 
	
		
			
				|  |  | +        buffersize = hhash->HashBuffSize;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /* In case HashInCount = 2, set the DMA to transfer key to HASH DIN register */
 | 
	
		
			
				|  |  | +      else if(hhash->HashInCount == 2)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        inputaddr = (uint32_t)hhash->Init.pKey;
 | 
	
		
			
				|  |  | +        buffersize = hhash->Init.KeySize;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +      MODIFY_REG(HASH->STR, HASH_STR_NBLW, 8 * (buffersize % 4));
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +      /* Set the HASH DMA transfer complete */
 | 
	
		
			
				|  |  | +      hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt;
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +      /* Enable the DMA In DMA Stream */
 | 
	
		
			
				|  |  | +      HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (buffersize%4 ? (buffersize+3)/4:buffersize/4));
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +      /* Enable DMA requests */
 | 
	
		
			
				|  |  | +      HASH->CR |= (HASH_CR_DMAE);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +    else
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +      /* Disable the DMA transfer */
 | 
	
		
			
				|  |  | +      HASH->CR &= (uint32_t)(~HASH_CR_DMAE);
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +      /* Reset the InCount */
 | 
	
		
			
				|  |  | +      hhash->HashInCount = 0;
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +      /* Change HASH peripheral state */
 | 
	
		
			
				|  |  | +      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +      /* Call Input data transfer complete callback */
 | 
	
		
			
				|  |  | +      HAL_HASH_InCpltCallback(hhash);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -/** @defgroup HASH_TimeOut_Value HASH TimeOut Value
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -#define HASH_TIMEOUTVALUE                         1000U   /*!< Time-out value  */
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | +  * @brief  DMA HASH communication error callback. 
 | 
	
		
			
				|  |  | +  * @param  hdma: DMA handle
 | 
	
		
			
				|  |  | +  * @retval None
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | +static void HASH_DMAError(DMA_HandleTypeDef *hdma)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +  HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
 | 
	
		
			
				|  |  | +  hhash->State= HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +  HAL_HASH_ErrorCallback(hhash);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -/** @defgroup HASH_DMA_Suspension_Words_Limit HASH DMA suspension words limit
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -#define HASH_DMA_SUSPENSION_WORDS_LIMIT             20U   /*!< Number of words below which DMA suspension is aborted */
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | +  * @brief  Writes the input buffer in data register.
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to input buffer
 | 
	
		
			
				|  |  | +  * @param  Size: The size of input buffer
 | 
	
		
			
				|  |  | +  * @retval None
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | +static void HASH_WriteData(uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +  uint32_t buffercounter;
 | 
	
		
			
				|  |  | +  uint32_t inputaddr = (uint32_t) pInBuffer;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  for(buffercounter = 0; buffercounter < Size; buffercounter+=4)
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | +    inputaddr+=4;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | +  * @brief  Provides the message digest result.
 | 
	
		
			
				|  |  | +  * @param  pMsgDigest: Pointer to the message digest
 | 
	
		
			
				|  |  | +  * @param  Size: The size of the message digest in bytes
 | 
	
		
			
				|  |  | +  * @retval None
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | +static void HASH_GetDigest(uint8_t *pMsgDigest, uint8_t Size)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +  uint32_t msgdigest = (uint32_t)pMsgDigest;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  switch(Size)
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +  case 16:
 | 
	
		
			
				|  |  | +    /* Read the message digest */
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[0]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[1]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[2]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[3]);
 | 
	
		
			
				|  |  | +    break;
 | 
	
		
			
				|  |  | +  case 20:
 | 
	
		
			
				|  |  | +    /* Read the message digest */
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[0]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[1]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[2]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[3]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[4]);
 | 
	
		
			
				|  |  | +    break;
 | 
	
		
			
				|  |  | +  case 28:
 | 
	
		
			
				|  |  | +    /* Read the message digest */
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[0]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[1]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[2]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[3]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[4]);
 | 
	
		
			
				|  |  | +    break;
 | 
	
		
			
				|  |  | +  case 32:
 | 
	
		
			
				|  |  | +    /* Read the message digest */
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[0]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[1]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[2]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[3]);
 | 
	
		
			
				|  |  | +    msgdigest+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(msgdigest) = __REV(HASH->HR[4]);
 | 
	
		
			
				|  |  | +    break;
 | 
	
		
			
				|  |  | +  default:
 | 
	
		
			
				|  |  | +    break;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -/* Private macro -------------------------------------------------------------*/
 | 
	
		
			
				|  |  | -/* Private variables ---------------------------------------------------------*/
 | 
	
		
			
				|  |  | -/* Private function prototypes -----------------------------------------------*/
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Private_Functions HASH Private Functions
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -static void HASH_DMAXferCplt(DMA_HandleTypeDef *hdma);
 | 
	
		
			
				|  |  | -static void HASH_DMAError(DMA_HandleTypeDef *hdma);
 | 
	
		
			
				|  |  | -static void HASH_GetDigest(uint8_t *pMsgDigest, uint8_t Size);
 | 
	
		
			
				|  |  | -static HAL_StatusTypeDef HASH_WaitOnFlagUntilTimeout(HASH_HandleTypeDef *hhash, uint32_t Flag, FlagStatus Status, uint32_t Timeout);
 | 
	
		
			
				|  |  | -static HAL_StatusTypeDef HASH_WriteData(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
 | 
	
		
			
				|  |  | -static HAL_StatusTypeDef HASH_IT(HASH_HandleTypeDef *hhash);
 | 
	
		
			
				|  |  | -static uint32_t HASH_Write_Block_Data(HASH_HandleTypeDef *hhash);
 | 
	
		
			
				|  |  | -static HAL_StatusTypeDef HMAC_Processing(HASH_HandleTypeDef *hhash, uint32_t Timeout);
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  |    * @}
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Exported_Functions HASH Exported Functions
 | 
	
		
			
				|  |  | +/* Exported functions --------------------------------------------------------*/
 | 
	
		
			
				|  |  | +/** @addtogroup HASH_Exported_Functions
 | 
	
		
			
				|  |  |    * @{
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Exported_Functions_Group1 Initialization and de-initialization functions
 | 
	
		
			
				|  |  | - *  @brief    Initialization, configuration and call-back functions.
 | 
	
		
			
				|  |  | +/** @addtogroup HASH_Exported_Functions_Group1 Initialization and de-initialization functions 
 | 
	
		
			
				|  |  | + *  @brief    Initialization and Configuration functions. 
 | 
	
		
			
				|  |  |   *
 | 
	
		
			
				|  |  | -@verbatim
 | 
	
		
			
				|  |  | +@verbatim    
 | 
	
		
			
				|  |  |   ===============================================================================
 | 
	
		
			
				|  |  |                ##### Initialization and de-initialization functions #####
 | 
	
		
			
				|  |  |   ===============================================================================
 | 
	
		
			
				|  |  |      [..]  This section provides functions allowing to:
 | 
	
		
			
				|  |  | -      (+) Initialize the HASH according to the specified parameters
 | 
	
		
			
				|  |  | -          in the HASH_InitTypeDef and create the associated handle
 | 
	
		
			
				|  |  | -      (+) DeInitialize the HASH peripheral
 | 
	
		
			
				|  |  | -      (+) Initialize the HASH MCU Specific Package (MSP)
 | 
	
		
			
				|  |  | -      (+) DeInitialize the HASH MSP
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    [..]  This section provides as well call back functions definitions for user
 | 
	
		
			
				|  |  | -          code to manage:
 | 
	
		
			
				|  |  | -      (+) Input data transfer to IP completion
 | 
	
		
			
				|  |  | -      (+) Calculated digest retrieval completion
 | 
	
		
			
				|  |  | -      (+) Error management
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +      (+) Initialize the HASH according to the specified parameters 
 | 
	
		
			
				|  |  | +          in the HASH_InitTypeDef and creates the associated handle.
 | 
	
		
			
				|  |  | +      (+) DeInitialize the HASH peripheral.
 | 
	
		
			
				|  |  | +      (+) Initialize the HASH MSP.
 | 
	
		
			
				|  |  | +      (+) DeInitialize HASH MSP. 
 | 
	
		
			
				|  |  | + 
 | 
	
		
			
				|  |  |  @endverbatim
 | 
	
		
			
				|  |  |    * @{
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH according to the specified parameters in the
 | 
	
		
			
				|  |  | -            HASH_HandleTypeDef and create the associated handle.
 | 
	
		
			
				|  |  | -  * @note   Only MDMAT and DATATYPE bits of HASH IP are set by HAL_HASH_Init(),
 | 
	
		
			
				|  |  | -  *         other configuration bits are set by HASH or HMAC processing APIs.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH according to the specified parameters in the
 | 
	
		
			
				|  |  | +            HASH_HandleTypeDef and creates the associated handle.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  HAL_StatusTypeDef HAL_HASH_Init(HASH_HandleTypeDef *hhash)
 | 
	
	
		
			
				|  | @@ -282,2694 +339,1513 @@ HAL_StatusTypeDef HAL_HASH_Init(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  |      return HAL_ERROR;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -  
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  |    /* Check the parameters */
 | 
	
		
			
				|  |  |    assert_param(IS_HASH_DATATYPE(hhash->Init.DataType));
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -  if (hhash->State == HAL_HASH_STATE_RESET)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    /* Allocate lock resource and initialize it */
 | 
	
		
			
				|  |  | -    hhash->Lock = HAL_UNLOCKED;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Reset Callback pointers in HAL_HASH_STATE_RESET only */
 | 
	
		
			
				|  |  | -    hhash->InCpltCallback =  HAL_HASH_InCpltCallback;     /* Legacy weak (surcharged) input completion callback */
 | 
	
		
			
				|  |  | -    hhash->DgstCpltCallback =  HAL_HASH_DgstCpltCallback; /* Legacy weak (surcharged) digest computation completion callback */
 | 
	
		
			
				|  |  | -    hhash->ErrorCallback =  HAL_HASH_ErrorCallback;       /* Legacy weak (surcharged) error callback */
 | 
	
		
			
				|  |  | -    if(hhash->MspInitCallback == NULL)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      hhash->MspInitCallback = HAL_HASH_MspInit;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Init the low level hardware */
 | 
	
		
			
				|  |  | -    hhash->MspInitCallback(hhash);
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | +   
 | 
	
		
			
				|  |  |    if(hhash->State == HAL_HASH_STATE_RESET)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  |      /* Allocate lock resource and initialize it */
 | 
	
		
			
				|  |  |      hhash->Lock = HAL_UNLOCKED;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |      /* Init the low level hardware */
 | 
	
		
			
				|  |  |      HAL_HASH_MspInit(hhash);
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -#endif /* (USE_HAL_HASH_REGISTER_CALLBACKS) */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Change the HASH state */
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  |    hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Reset HashInCount, HashITCounter, HashBuffSize and NbWordsAlreadyPushed */
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Reset HashInCount, HashBuffSize and HashITCounter */
 | 
	
		
			
				|  |  |    hhash->HashInCount = 0;
 | 
	
		
			
				|  |  |    hhash->HashBuffSize = 0;
 | 
	
		
			
				|  |  |    hhash->HashITCounter = 0;
 | 
	
		
			
				|  |  | -  hhash->NbWordsAlreadyPushed = 0;
 | 
	
		
			
				|  |  | -  /* Reset digest calculation bridle (MDMAT bit control) */
 | 
	
		
			
				|  |  | -  hhash->DigestCalculationDisable = RESET;
 | 
	
		
			
				|  |  | -  /* Set phase to READY */
 | 
	
		
			
				|  |  | -  hhash->Phase = HAL_HASH_PHASE_READY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Set the data type bit */
 | 
	
		
			
				|  |  | -  MODIFY_REG(HASH->CR, HASH_CR_DATATYPE, hhash->Init.DataType);
 | 
	
		
			
				|  |  | -  /* Reset HASH handle status */
 | 
	
		
			
				|  |  | -  hhash->Status = HAL_OK;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Set the HASH state to Ready */
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the data type */
 | 
	
		
			
				|  |  | +  HASH->CR |= (uint32_t) (hhash->Init.DataType);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  |    hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Initialise the error code */
 | 
	
		
			
				|  |  | -  hhash->ErrorCode = HAL_HASH_ERROR_NONE;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the default HASH phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_READY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  |    /* Return function status */
 | 
	
		
			
				|  |  |    return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  DeInitialize the HASH peripheral.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | +  * @brief  DeInitializes the HASH peripheral.
 | 
	
		
			
				|  |  | +  * @note   This API must be called before starting a new processing. 
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  HAL_StatusTypeDef HAL_HASH_DeInit(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | +{ 
 | 
	
		
			
				|  |  |    /* Check the HASH handle allocation */
 | 
	
		
			
				|  |  |    if(hhash == NULL)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  |      return HAL_ERROR;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  |    /* Change the HASH state */
 | 
	
		
			
				|  |  |    hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  |    /* Set the default HASH phase */
 | 
	
		
			
				|  |  |    hhash->Phase = HAL_HASH_PHASE_READY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Reset HashInCount, HashITCounter and HashBuffSize */
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Reset HashInCount, HashBuffSize and HashITCounter */
 | 
	
		
			
				|  |  |    hhash->HashInCount = 0;
 | 
	
		
			
				|  |  |    hhash->HashBuffSize = 0;
 | 
	
		
			
				|  |  |    hhash->HashITCounter = 0;
 | 
	
		
			
				|  |  | -  /* Reset digest calculation bridle (MDMAT bit control) */
 | 
	
		
			
				|  |  | -  hhash->DigestCalculationDisable = RESET;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -    if(hhash->MspDeInitCallback == NULL)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      hhash->MspDeInitCallback = HAL_HASH_MspDeInit;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* DeInit the low level hardware */
 | 
	
		
			
				|  |  | -    hhash->MspDeInitCallback(hhash);
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | -  /* DeInit the low level hardware: CLOCK, NVIC */
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* DeInit the low level hardware */
 | 
	
		
			
				|  |  |    HAL_HASH_MspDeInit(hhash);
 | 
	
		
			
				|  |  | -#endif /* (USE_HAL_HASH_REGISTER_CALLBACKS) */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Reset HASH handle status */
 | 
	
		
			
				|  |  | -  hhash->Status = HAL_OK;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Set the HASH state to Ready */
 | 
	
		
			
				|  |  | -  hhash->State = HAL_HASH_STATE_RESET;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_RESET;  
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -  /* Initialise the error code */
 | 
	
		
			
				|  |  | -  hhash->ErrorCode = HAL_HASH_ERROR_NONE;
 | 
	
		
			
				|  |  | +  /* Release Lock */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |    /* Return function status */
 | 
	
		
			
				|  |  |    return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH MSP.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH MSP.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  |    * @retval None
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  __weak void HAL_HASH_MspInit(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  /* Prevent unused argument(s) compilation warning */
 | 
	
		
			
				|  |  | -  UNUSED(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* NOTE : This function should not be modified; when the callback is needed,
 | 
	
		
			
				|  |  | -            HAL_HASH_MspInit() can be implemented in the user file.
 | 
	
		
			
				|  |  | +  /* NOTE: This function Should not be modified, when the callback is needed,
 | 
	
		
			
				|  |  | +           the HAL_HASH_MspInit could be implemented in the user file
 | 
	
		
			
				|  |  |     */
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  DeInitialize the HASH MSP.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | +  * @brief  DeInitializes HASH MSP.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  |    * @retval None
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  __weak void HAL_HASH_MspDeInit(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  /* Prevent unused argument(s) compilation warning */
 | 
	
		
			
				|  |  | -  UNUSED(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* NOTE : This function should not be modified; when the callback is needed,
 | 
	
		
			
				|  |  | -            HAL_HASH_MspDeInit() can be implemented in the user file.
 | 
	
		
			
				|  |  | +  /* NOTE: This function Should not be modified, when the callback is needed,
 | 
	
		
			
				|  |  | +           the HAL_HASH_MspDeInit could be implemented in the user file
 | 
	
		
			
				|  |  |     */
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Input data transfer complete call back.
 | 
	
		
			
				|  |  | -  * @note   HAL_HASH_InCpltCallback() is called when the complete input message
 | 
	
		
			
				|  |  | -  *         has been fed to the IP. This API is invoked only when input data are
 | 
	
		
			
				|  |  | -  *         entered under interruption or thru DMA.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | +  * @brief  Input data transfer complete callback.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  |    * @retval None
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -__weak void HAL_HASH_InCpltCallback(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | + __weak void HAL_HASH_InCpltCallback(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  /* Prevent unused argument(s) compilation warning */
 | 
	
		
			
				|  |  | -  UNUSED(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* NOTE : This function should not be modified; when the callback is needed,
 | 
	
		
			
				|  |  | -            HAL_HASH_InCpltCallback() can be implemented in the user file.
 | 
	
		
			
				|  |  | -   */
 | 
	
		
			
				|  |  | +  /* NOTE: This function Should not be modified, when the callback is needed,
 | 
	
		
			
				|  |  | +           the HAL_HASH_InCpltCallback could be implemented in the user file
 | 
	
		
			
				|  |  | +   */ 
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Digest computation complete call back.
 | 
	
		
			
				|  |  | -  * @note   HAL_HASH_DgstCpltCallback() is used under interruption, is not
 | 
	
		
			
				|  |  | -  *         relevant with DMA.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | +  * @brief  Data transfer Error callback.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  |    * @retval None
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -__weak void HAL_HASH_DgstCpltCallback(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | + __weak void HAL_HASH_ErrorCallback(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  /* Prevent unused argument(s) compilation warning */
 | 
	
		
			
				|  |  | -  UNUSED(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* NOTE : This function should not be modified; when the callback is needed,
 | 
	
		
			
				|  |  | -            HAL_HASH_DgstCpltCallback() can be implemented in the user file.
 | 
	
		
			
				|  |  | -   */
 | 
	
		
			
				|  |  | +  /* NOTE: This function Should not be modified, when the callback is needed,
 | 
	
		
			
				|  |  | +           the HAL_HASH_ErrorCallback could be implemented in the user file
 | 
	
		
			
				|  |  | +   */ 
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Error callback.
 | 
	
		
			
				|  |  | -  * @note   Code user can resort to hhash->Status (HAL_ERROR, HAL_TIMEOUT,...)
 | 
	
		
			
				|  |  | -  *         to retrieve the error type.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | +  * @brief  Digest computation complete callback. It is used only with interrupt.
 | 
	
		
			
				|  |  | +  * @note   This callback is not relevant with DMA.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  |    * @retval None
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -__weak void HAL_HASH_ErrorCallback(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  /* Prevent unused argument(s) compilation warning */
 | 
	
		
			
				|  |  | -  UNUSED(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* NOTE : This function should not be modified; when the callback is needed,
 | 
	
		
			
				|  |  | -            HAL_HASH_ErrorCallback() can be implemented in the user file.
 | 
	
		
			
				|  |  | -   */
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Register a User HASH Callback
 | 
	
		
			
				|  |  | -  *         To be used instead of the weak (surcharged) predefined callback
 | 
	
		
			
				|  |  | -  * @param hhash HASH handle
 | 
	
		
			
				|  |  | -  * @param CallbackID ID of the callback to be registered
 | 
	
		
			
				|  |  | -  *        This parameter can be one of the following values:
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_INPUTCPLT_CB_ID HASH input completion Callback ID
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_DGSTCPLT_CB_ID HASH digest computation completion Callback ID
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_ERROR_CB_ID HASH error Callback ID
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_MSPINIT_CB_ID HASH MspInit callback ID
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_MSPDEINIT_CB_ID HASH MspDeInit callback ID
 | 
	
		
			
				|  |  | -  * @param pCallback pointer to the Callback function
 | 
	
		
			
				|  |  | -  * @retval status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_RegisterCallback(HASH_HandleTypeDef *hhash, HAL_HASH_CallbackIDTypeDef CallbackID, pHASH_CallbackTypeDef pCallback)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  HAL_StatusTypeDef status = HAL_OK;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  if(pCallback == NULL)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    /* Update the error code */
 | 
	
		
			
				|  |  | -    hhash->ErrorCode |= HAL_HASH_ERROR_INVALID_CALLBACK;
 | 
	
		
			
				|  |  | -    return HAL_ERROR;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  /* Process locked */
 | 
	
		
			
				|  |  | -  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  if(HAL_HASH_STATE_READY == hhash->State)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    switch (CallbackID)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -    case HAL_HASH_INPUTCPLT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->InCpltCallback = pCallback;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_DGSTCPLT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->DgstCpltCallback = pCallback;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_ERROR_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->ErrorCallback = pCallback;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_MSPINIT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->MspInitCallback = pCallback;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_MSPDEINIT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->MspDeInitCallback = pCallback;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    default :
 | 
	
		
			
				|  |  | -     /* Update the error code */
 | 
	
		
			
				|  |  | -     hhash->ErrorCode |= HAL_HASH_ERROR_INVALID_CALLBACK;
 | 
	
		
			
				|  |  | -     /* update return status */
 | 
	
		
			
				|  |  | -      status =  HAL_ERROR;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else if(HAL_HASH_STATE_RESET == hhash->State)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    switch (CallbackID)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -    case HAL_HASH_MSPINIT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->MspInitCallback = pCallback;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_MSPDEINIT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->MspDeInitCallback = pCallback;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    default :
 | 
	
		
			
				|  |  | -     /* Update the error code */
 | 
	
		
			
				|  |  | -     hhash->ErrorCode |= HAL_HASH_ERROR_INVALID_CALLBACK;
 | 
	
		
			
				|  |  | -     /* update return status */
 | 
	
		
			
				|  |  | -      status =  HAL_ERROR;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    /* Update the error code */
 | 
	
		
			
				|  |  | -     hhash->ErrorCode |= HAL_HASH_ERROR_INVALID_CALLBACK;
 | 
	
		
			
				|  |  | -     /* update return status */
 | 
	
		
			
				|  |  | -      status =  HAL_ERROR;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Release Lock */
 | 
	
		
			
				|  |  | -  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -  return status;
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Unregister a HASH Callback
 | 
	
		
			
				|  |  | -  *         HASH Callback is redirected to the weak (surcharged) predefined callback
 | 
	
		
			
				|  |  | -  * @param hhash HASH handle
 | 
	
		
			
				|  |  | -  * @param CallbackID ID of the callback to be unregistered
 | 
	
		
			
				|  |  | -  *        This parameter can be one of the following values:
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_INPUTCPLT_CB_ID HASH input completion Callback ID
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_DGSTCPLT_CB_ID HASH digest computation completion Callback ID
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_ERROR_CB_ID HASH error Callback ID
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_MSPINIT_CB_ID HASH MspInit callback ID
 | 
	
		
			
				|  |  | -  *          @arg @ref HAL_HASH_MSPDEINIT_CB_ID HASH MspDeInit callback ID
 | 
	
		
			
				|  |  | -  * @retval status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_UnRegisterCallback(HASH_HandleTypeDef *hhash, HAL_HASH_CallbackIDTypeDef CallbackID)
 | 
	
		
			
				|  |  | + __weak void HAL_HASH_DgstCpltCallback(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef status = HAL_OK;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Process locked */
 | 
	
		
			
				|  |  | -  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  if(HAL_HASH_STATE_READY == hhash->State)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    switch (CallbackID)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -    case HAL_HASH_INPUTCPLT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->InCpltCallback = HAL_HASH_InCpltCallback;     /* Legacy weak (surcharged) input completion callback */
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_DGSTCPLT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->DgstCpltCallback = HAL_HASH_DgstCpltCallback; /* Legacy weak (surcharged) digest computation completion callback */
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_ERROR_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->ErrorCallback = HAL_HASH_ErrorCallback;       /* Legacy weak (surcharged) error callback */
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_MSPINIT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->MspInitCallback = HAL_HASH_MspInit;           /* Legacy weak (surcharged) Msp Init */
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_MSPDEINIT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->MspDeInitCallback = HAL_HASH_MspDeInit;       /* Legacy weak (surcharged) Msp DeInit */
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    default :
 | 
	
		
			
				|  |  | -     /* Update the error code */
 | 
	
		
			
				|  |  | -     hhash->ErrorCode |= HAL_HASH_ERROR_INVALID_CALLBACK;
 | 
	
		
			
				|  |  | -     /* update return status */
 | 
	
		
			
				|  |  | -      status =  HAL_ERROR;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else if(HAL_HASH_STATE_RESET == hhash->State)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    switch (CallbackID)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -    case HAL_HASH_MSPINIT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->MspInitCallback = HAL_HASH_MspInit;           /* Legacy weak (surcharged) Msp Init */
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    case HAL_HASH_MSPDEINIT_CB_ID :
 | 
	
		
			
				|  |  | -      hhash->MspDeInitCallback = HAL_HASH_MspDeInit;       /* Legacy weak (surcharged) Msp DeInit */
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    default :
 | 
	
		
			
				|  |  | -     /* Update the error code */
 | 
	
		
			
				|  |  | -     hhash->ErrorCode |= HAL_HASH_ERROR_INVALID_CALLBACK;
 | 
	
		
			
				|  |  | -     /* update return status */
 | 
	
		
			
				|  |  | -      status =  HAL_ERROR;
 | 
	
		
			
				|  |  | -      break;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -     /* Update the error code */
 | 
	
		
			
				|  |  | -     hhash->ErrorCode |= HAL_HASH_ERROR_INVALID_CALLBACK;
 | 
	
		
			
				|  |  | -     /* update return status */
 | 
	
		
			
				|  |  | -      status =  HAL_ERROR;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Release Lock */
 | 
	
		
			
				|  |  | -  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -  return status;
 | 
	
		
			
				|  |  | +  /* NOTE: This function Should not be modified, when the callback is needed,
 | 
	
		
			
				|  |  | +           the HAL_HASH_DgstCpltCallback could be implemented in the user file
 | 
	
		
			
				|  |  | +   */ 
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  | -#endif /* USE_HAL_HASH_REGISTER_CALLBACKS */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  |    * @}
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Exported_Functions_Group2 HASH processing functions in polling mode
 | 
	
		
			
				|  |  | - *  @brief   HASH processing functions using polling mode.
 | 
	
		
			
				|  |  | +/** @defgroup HASH_Exported_Functions_Group2 HASH processing functions using polling mode 
 | 
	
		
			
				|  |  | + *  @brief   processing functions using polling mode 
 | 
	
		
			
				|  |  |   *
 | 
	
		
			
				|  |  | -@verbatim
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -                 ##### Polling mode HASH processing functions #####
 | 
	
		
			
				|  |  | +@verbatim   
 | 
	
		
			
				|  |  |   ===============================================================================
 | 
	
		
			
				|  |  | +              ##### HASH processing using polling mode functions#####
 | 
	
		
			
				|  |  | + ===============================================================================  
 | 
	
		
			
				|  |  |      [..]  This section provides functions allowing to calculate in polling mode
 | 
	
		
			
				|  |  |            the hash value using one of the following algorithms:
 | 
	
		
			
				|  |  |        (+) MD5
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_MD5_Start()
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_MD5_Accumulate()
 | 
	
		
			
				|  |  |        (+) SHA1
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_SHA1_Start()
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_SHA1_Accumulate()
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    [..] For a single buffer to be hashed, user can resort to HAL_HASH_xxx_Start().
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    [..]  In case of multi-buffer HASH processing (a single digest is computed while
 | 
	
		
			
				|  |  | -          several buffers are fed to the IP), the user can resort to successive calls
 | 
	
		
			
				|  |  | -          to HAL_HASH_xxx_Accumulate() and wrap-up the digest computation by a call
 | 
	
		
			
				|  |  | -          to HAL_HASH_xxx_Start().
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  @endverbatim
 | 
	
		
			
				|  |  |    * @{
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in MD5 mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 16 bytes.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in MD5 mode then processes pInBuffer.
 | 
	
		
			
				|  |  | +            The digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is multiple of 64 bytes, appending the input buffer is possible.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware
 | 
	
		
			
				|  |  | +  *          and appending the input buffer is no more possible.
 | 
	
		
			
				|  |  | +  * @param  pOutBuffer: Pointer to the computed digest. Its size must be 16 bytes.
 | 
	
		
			
				|  |  |    * @param  Timeout: Timeout value
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  HAL_StatusTypeDef HAL_HASH_MD5_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_MD5);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  If not already done, initialize the HASH peripheral in MD5 mode then
 | 
	
		
			
				|  |  | -  *         processes pInBuffer.
 | 
	
		
			
				|  |  | -  * @note   Consecutive calls to HAL_HASH_MD5_Accumulate() can be used to feed
 | 
	
		
			
				|  |  | -  *         several input buffers back-to-back to the IP that will yield a single
 | 
	
		
			
				|  |  | -  *         HASH signature once all buffers have been entered. Wrap-up of input
 | 
	
		
			
				|  |  | -  *         buffers feeding and retrieval of digest is done by a call to
 | 
	
		
			
				|  |  | -  *         HAL_HASH_MD5_Start().
 | 
	
		
			
				|  |  | -  * @note   Field hhash->Phase of HASH handle is tested to check whether or not
 | 
	
		
			
				|  |  | -  *         the IP has already been initialized.
 | 
	
		
			
				|  |  | -  * @note   Digest is not retrieved by this API, user must resort to HAL_HASH_MD5_Start()
 | 
	
		
			
				|  |  | -  *         to read it, feeding at the same time the last input buffer to the IP.
 | 
	
		
			
				|  |  | -  * @note   The input buffer size (in bytes) must be a multiple of 4 otherwise, the
 | 
	
		
			
				|  |  | -  *         HASH digest computation is corrupted. Only HAL_HASH_MD5_Start() is able
 | 
	
		
			
				|  |  | -  *         to manage the ending buffer with a length in bytes not a multiple of 4.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes, must be a multiple of 4.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_MD5_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return  HASH_Accumulate(hhash, pInBuffer, Size,HASH_ALGOSELECTION_MD5);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in SHA1 mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 20 bytes.
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout value
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA1);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  If not already done, initialize the HASH peripheral in SHA1 mode then
 | 
	
		
			
				|  |  | -  *         processes pInBuffer.
 | 
	
		
			
				|  |  | -  * @note   Consecutive calls to HAL_HASH_SHA1_Accumulate() can be used to feed
 | 
	
		
			
				|  |  | -  *         several input buffers back-to-back to the IP that will yield a single
 | 
	
		
			
				|  |  | -  *         HASH signature once all buffers have been entered. Wrap-up of input
 | 
	
		
			
				|  |  | -  *         buffers feeding and retrieval of digest is done by a call to
 | 
	
		
			
				|  |  | -  *         HAL_HASH_SHA1_Start().
 | 
	
		
			
				|  |  | -  * @note   Field hhash->Phase of HASH handle is tested to check whether or not
 | 
	
		
			
				|  |  | -  *         the IP has already been initialized.
 | 
	
		
			
				|  |  | -  * @note   Digest is not retrieved by this API, user must resort to HAL_HASH_SHA1_Start()
 | 
	
		
			
				|  |  | -  *         to read it, feeding at the same time the last input buffer to the IP.
 | 
	
		
			
				|  |  | -  * @note   The input buffer size (in bytes) must be a multiple of 4 otherwise, the
 | 
	
		
			
				|  |  | -  *         HASH digest computation is corrupted. Only HAL_HASH_SHA1_Start() is able
 | 
	
		
			
				|  |  | -  *         to manage the ending buffer with a length in bytes not a multiple of 4.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes, must be a multiple of 4.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_SHA1_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return  HASH_Accumulate(hhash, pInBuffer, Size,HASH_ALGOSELECTION_SHA1);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Exported_Functions_Group3 HASH processing functions in interrupt mode
 | 
	
		
			
				|  |  | - *  @brief   HASH processing functions using interrupt mode.
 | 
	
		
			
				|  |  | - *
 | 
	
		
			
				|  |  | -@verbatim
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -                 ##### Interruption mode HASH processing functions #####
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -    [..]  This section provides functions allowing to calculate in interrupt mode
 | 
	
		
			
				|  |  | -          the hash value using one of the following algorithms:
 | 
	
		
			
				|  |  | -      (+) MD5
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_MD5_Start_IT()
 | 
	
		
			
				|  |  | -      (+) SHA1
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_SHA1_Start_IT()
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    [..]  API HAL_HASH_IRQHandler() manages each HASH interruption.
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    [..] Note that HAL_HASH_IRQHandler() manages as well HASH IP interruptions when in
 | 
	
		
			
				|  |  | -         HMAC processing mode.
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -@endverbatim
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in MD5 mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest in interruption mode.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 16 bytes.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer,HASH_ALGOSELECTION_MD5);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in SHA1 mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest in interruption mode.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 20 bytes.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer,HASH_ALGOSELECTION_SHA1);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief Handle HASH interrupt request.
 | 
	
		
			
				|  |  | -  * @param hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @note  HAL_HASH_IRQHandler() handles interrupts in HMAC processing as well.
 | 
	
		
			
				|  |  | -  * @note  In case of error reported during the HASH interruption processing,
 | 
	
		
			
				|  |  | -  *        HAL_HASH_ErrorCallback() API is called so that user code can
 | 
	
		
			
				|  |  | -  *        manage the error. The error type is available in hhash->Status field.
 | 
	
		
			
				|  |  | -  * @retval None
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -void HAL_HASH_IRQHandler(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  hhash->Status = HASH_IT(hhash);
 | 
	
		
			
				|  |  | -  if (hhash->Status != HAL_OK)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    hhash->ErrorCode |= HAL_HASH_ERROR_IT;
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -    hhash->ErrorCallback(hhash);
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | -    HAL_HASH_ErrorCallback(hhash);
 | 
	
		
			
				|  |  | -#endif /* USE_HAL_HASH_REGISTER_CALLBACKS */
 | 
	
		
			
				|  |  | -    /* After error handling by code user, reset HASH handle HAL status */
 | 
	
		
			
				|  |  | -    hhash->Status = HAL_OK;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Exported_Functions_Group4 HASH processing functions in DMA mode
 | 
	
		
			
				|  |  | - *  @brief   HASH processing functions using DMA mode.
 | 
	
		
			
				|  |  | - *
 | 
	
		
			
				|  |  | -@verbatim
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -                    ##### DMA mode HASH processing functions #####
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -    [..]  This section provides functions allowing to calculate in DMA mode
 | 
	
		
			
				|  |  | -          the hash value using one of the following algorithms:
 | 
	
		
			
				|  |  | -      (+) MD5
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_MD5_Start_DMA()
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_MD5_Finish()
 | 
	
		
			
				|  |  | -      (+) SHA1
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_SHA1_Start_DMA()
 | 
	
		
			
				|  |  | -         (++) HAL_HASH_SHA1_Finish()
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    [..]  When resorting to DMA mode to enter the data in the IP, user must resort
 | 
	
		
			
				|  |  | -          to  HAL_HASH_xxx_Start_DMA() then read the resulting digest with
 | 
	
		
			
				|  |  | -          HAL_HASH_xxx_Finish().
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -@endverbatim
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in MD5 mode then initiate a DMA transfer
 | 
	
		
			
				|  |  | -  *         to feed the input buffer to the IP.
 | 
	
		
			
				|  |  | -  * @note   Once the DMA transfer is finished, HAL_HASH_MD5_Finish() API must
 | 
	
		
			
				|  |  | -  *         be called to retrieve the computed digest.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return HASH_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_MD5);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Return the computed digest in MD5 mode.
 | 
	
		
			
				|  |  | -  * @note   The API waits for DCIS to be set then reads the computed digest.
 | 
	
		
			
				|  |  | -  * @note   HAL_HASH_MD5_Finish() can be used as well to retrieve the digest in
 | 
	
		
			
				|  |  | -  *         HMAC MD5 mode.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 16 bytes.
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout value.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_MD5_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -   return HASH_Finish(hhash, pOutBuffer, Timeout);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in SHA1 mode then initiate a DMA transfer
 | 
	
		
			
				|  |  | -  *         to feed the input buffer to the IP.
 | 
	
		
			
				|  |  | -  * @note   Once the DMA transfer is finished, HAL_HASH_SHA1_Finish() API must
 | 
	
		
			
				|  |  | -  *         be called to retrieve the computed digest.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return HASH_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA1);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Return the computed digest in SHA1 mode.
 | 
	
		
			
				|  |  | -  * @note   The API waits for DCIS to be set then reads the computed digest.
 | 
	
		
			
				|  |  | -  * @note   HAL_HASH_SHA1_Finish() can be used as well to retrieve the digest in
 | 
	
		
			
				|  |  | -  *         HMAC SHA1 mode.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 20 bytes.
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout value.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_SHA1_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -   return HASH_Finish(hhash, pOutBuffer, Timeout);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Exported_Functions_Group5 HMAC processing functions in polling mode
 | 
	
		
			
				|  |  | - *  @brief   HMAC processing functions using polling mode.
 | 
	
		
			
				|  |  | - *
 | 
	
		
			
				|  |  | -@verbatim
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -                 ##### Polling mode HMAC processing functions #####
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -    [..]  This section provides functions allowing to calculate in polling mode
 | 
	
		
			
				|  |  | -          the HMAC value using one of the following algorithms:
 | 
	
		
			
				|  |  | -      (+) MD5
 | 
	
		
			
				|  |  | -         (++) HAL_HMAC_MD5_Start()
 | 
	
		
			
				|  |  | -      (+) SHA1
 | 
	
		
			
				|  |  | -         (++) HAL_HMAC_SHA1_Start()
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -@endverbatim
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in HMAC MD5 mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @note   Same key is used for the inner and the outer hash functions; pointer to key and
 | 
	
		
			
				|  |  | -  *         key size are respectively stored in hhash->Init.pKey and hhash->Init.KeySize.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 16 bytes.
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout value.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HMAC_MD5_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return HMAC_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_MD5);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in HMAC SHA1 mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @note   Same key is used for the inner and the outer hash functions; pointer to key and
 | 
	
		
			
				|  |  | -  *         key size are respectively stored in hhash->Init.pKey and hhash->Init.KeySize.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 20 bytes.
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout value.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HMAC_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return HMAC_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA1);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Exported_Functions_Group6 HMAC processing functions in interrupt mode
 | 
	
		
			
				|  |  | - *  @brief   HMAC processing functions using interrupt mode.
 | 
	
		
			
				|  |  | - *
 | 
	
		
			
				|  |  | -@verbatim
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -                 ##### Interrupt mode HMAC processing functions #####
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -    [..]  This section provides functions allowing to calculate in interrupt mode
 | 
	
		
			
				|  |  | -          the HMAC value using one of the following algorithms:
 | 
	
		
			
				|  |  | -      (+) MD5
 | 
	
		
			
				|  |  | -         (++) HAL_HMAC_MD5_Start_IT()
 | 
	
		
			
				|  |  | -      (+) SHA1
 | 
	
		
			
				|  |  | -         (++) HAL_HMAC_SHA1_Start_IT()
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -@endverbatim
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in HMAC MD5 mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest in interrupt mode.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @note   Same key is used for the inner and the outer hash functions; pointer to key and
 | 
	
		
			
				|  |  | -  *         key size are respectively stored in hhash->Init.pKey and hhash->Init.KeySize.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 16 bytes.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HMAC_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return  HMAC_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_MD5);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in HMAC SHA1 mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest in interrupt mode.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @note   Same key is used for the inner and the outer hash functions; pointer to key and
 | 
	
		
			
				|  |  | -  *         key size are respectively stored in hhash->Init.pKey and hhash->Init.KeySize.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest. Digest size is 20 bytes.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HMAC_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return  HMAC_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA1);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Exported_Functions_Group7 HMAC processing functions in DMA mode
 | 
	
		
			
				|  |  | - *  @brief   HMAC processing functions using DMA modes.
 | 
	
		
			
				|  |  | - *
 | 
	
		
			
				|  |  | -@verbatim
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -                 ##### DMA mode HMAC processing functions #####
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -    [..]  This section provides functions allowing to calculate in DMA mode
 | 
	
		
			
				|  |  | -          the HMAC value using one of the following algorithms:
 | 
	
		
			
				|  |  | -      (+) MD5
 | 
	
		
			
				|  |  | -         (++) HAL_HMAC_MD5_Start_DMA()
 | 
	
		
			
				|  |  | -      (+) SHA1
 | 
	
		
			
				|  |  | -         (++) HAL_HMAC_SHA1_Start_DMA()
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    [..]  When resorting to DMA mode to enter the data in the IP for HMAC processing,
 | 
	
		
			
				|  |  | -          user must resort to  HAL_HMAC_xxx_Start_DMA() then read the resulting digest
 | 
	
		
			
				|  |  | -          with HAL_HASH_xxx_Finish().
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -@endverbatim
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in HMAC MD5 mode then initiate the required
 | 
	
		
			
				|  |  | -  *         DMA transfers to feed the key and the input buffer to the IP.
 | 
	
		
			
				|  |  | -  * @note   Once the DMA transfers are finished (indicated by hhash->State set back
 | 
	
		
			
				|  |  | -  *         to HAL_HASH_STATE_READY), HAL_HASH_MD5_Finish() API must be called to retrieve
 | 
	
		
			
				|  |  | -  *         the computed digest.
 | 
	
		
			
				|  |  | -  * @note   Same key is used for the inner and the outer hash functions; pointer to key and
 | 
	
		
			
				|  |  | -  *         key size are respectively stored in hhash->Init.pKey and hhash->Init.KeySize.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HMAC_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_MD5);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in HMAC SHA1 mode then initiate the required
 | 
	
		
			
				|  |  | -  *         DMA transfers to feed the key and the input buffer to the IP.
 | 
	
		
			
				|  |  | -  * @note   Once the DMA transfers are finished (indicated by hhash->State set back
 | 
	
		
			
				|  |  | -  *         to HAL_HASH_STATE_READY), HAL_HASH_SHA1_Finish() API must be called to retrieve
 | 
	
		
			
				|  |  | -  *         the computed digest.
 | 
	
		
			
				|  |  | -  * @note   Same key is used for the inner and the outer hash functions; pointer to key and
 | 
	
		
			
				|  |  | -  *         key size are respectively stored in hhash->Init.pKey and hhash->Init.KeySize.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HMAC_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA1);
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Exported_Functions_Group8 Peripheral states functions
 | 
	
		
			
				|  |  | - *  @brief   Peripheral State functions.
 | 
	
		
			
				|  |  | - *
 | 
	
		
			
				|  |  | -@verbatim
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -                      ##### Peripheral State methods #####
 | 
	
		
			
				|  |  | - ===============================================================================
 | 
	
		
			
				|  |  | -    [..]
 | 
	
		
			
				|  |  | -    This section permits to get in run-time the state and the peripheral handle
 | 
	
		
			
				|  |  | -    status of the peripheral:
 | 
	
		
			
				|  |  | -      (+) HAL_HASH_GetState()
 | 
	
		
			
				|  |  | -      (+) HAL_HASH_GetStatus()
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    [..]
 | 
	
		
			
				|  |  | -    Additionally, this subsection provides functions allowing to save and restore
 | 
	
		
			
				|  |  | -    the HASH or HMAC processing context in case of calculation suspension:
 | 
	
		
			
				|  |  | -      (+) HAL_HASH_ContextSaving()
 | 
	
		
			
				|  |  | -      (+) HAL_HASH_ContextRestoring()
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    [..]
 | 
	
		
			
				|  |  | -    This subsection provides functions allowing to suspend the HASH processing
 | 
	
		
			
				|  |  | -      (+) when input are fed to the IP by software
 | 
	
		
			
				|  |  | -          (++) HAL_HASH_SwFeed_ProcessSuspend()
 | 
	
		
			
				|  |  | -      (+) when input are fed to the IP by DMA
 | 
	
		
			
				|  |  | -          (++) HAL_HASH_DMAFeed_ProcessSuspend()
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -@endverbatim
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Return the HASH handle state.
 | 
	
		
			
				|  |  | -  * @note   The API yields the current state of the handle (BUSY, READY,...).
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @retval HAL HASH state
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_HASH_StateTypeDef HAL_HASH_GetState(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return hhash->State;
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief Return the HASH HAL status.
 | 
	
		
			
				|  |  | -  * @note  The API yields the HAL status of the handle: it is the result of the
 | 
	
		
			
				|  |  | -  *        latest HASH processing and allows to report any issue (e.g. HAL_TIMEOUT).
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_GetStatus(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  return hhash->Status;
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Save the HASH context in case of processing suspension.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pMemBuffer: pointer to the memory buffer where the HASH context
 | 
	
		
			
				|  |  | -  *         is saved.
 | 
	
		
			
				|  |  | -  * @note   The IMR, STR, CR then all the CSR registers are saved
 | 
	
		
			
				|  |  | -  *         in that order. Only the r/w bits are read to be restored later on.
 | 
	
		
			
				|  |  | -  * @note   By default, all the context swap registers (there are
 | 
	
		
			
				|  |  | -  *         HASH_NUMBER_OF_CSR_REGISTERS of those) are saved.
 | 
	
		
			
				|  |  | -  * @note   pMemBuffer points to a buffer allocated by the user. The buffer size
 | 
	
		
			
				|  |  | -  *         must be at least (HASH_NUMBER_OF_CSR_REGISTERS + 3) * 4 uint8 long.
 | 
	
		
			
				|  |  | -  * @retval None
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -void HAL_HASH_ContextSaving(HASH_HandleTypeDef *hhash, uint8_t* pMemBuffer)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  uint32_t mem_ptr = (uint32_t)pMemBuffer;
 | 
	
		
			
				|  |  | -  uint32_t csr_ptr = (uint32_t)HASH->CSR;
 | 
	
		
			
				|  |  | -  uint32_t i;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Prevent unused argument(s) compilation warning */
 | 
	
		
			
				|  |  | -  UNUSED(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Save IMR register content */
 | 
	
		
			
				|  |  | -  *(uint32_t*)(mem_ptr) = READ_BIT(HASH->IMR,HASH_IT_DINI|HASH_IT_DCI);
 | 
	
		
			
				|  |  | -  mem_ptr+=4U;
 | 
	
		
			
				|  |  | -  /* Save STR register content */
 | 
	
		
			
				|  |  | -  *(uint32_t*)(mem_ptr) = READ_BIT(HASH->STR,HASH_STR_NBLW);
 | 
	
		
			
				|  |  | -  mem_ptr+=4U;
 | 
	
		
			
				|  |  | -  /* Save CR register content */
 | 
	
		
			
				|  |  | -  *(uint32_t*)(mem_ptr) = READ_BIT(HASH->CR,HASH_CR_DMAE|HASH_CR_DATATYPE|HASH_CR_MODE|HASH_CR_ALGO|HASH_CR_LKEY);
 | 
	
		
			
				|  |  | -  mem_ptr+=4U;
 | 
	
		
			
				|  |  | -  /* By default, save all CSRs registers */
 | 
	
		
			
				|  |  | -  for (i = HASH_NUMBER_OF_CSR_REGISTERS; i >0U; i--)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    *(uint32_t*)(mem_ptr) = *(uint32_t*)(csr_ptr);
 | 
	
		
			
				|  |  | -    mem_ptr+=4U;
 | 
	
		
			
				|  |  | -    csr_ptr+=4U;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Restore the HASH context in case of processing resumption.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pMemBuffer: pointer to the memory buffer where the HASH context
 | 
	
		
			
				|  |  | -  *         is stored.
 | 
	
		
			
				|  |  | -  * @note   The IMR, STR, CR then all the CSR registers are restored
 | 
	
		
			
				|  |  | -  *         in that order. Only the r/w bits are restored.
 | 
	
		
			
				|  |  | -  * @note   By default, all the context swap registers (HASH_NUMBER_OF_CSR_REGISTERS
 | 
	
		
			
				|  |  | -  *         of those) are restored (all of them have been saved by default
 | 
	
		
			
				|  |  | -  *         beforehand).
 | 
	
		
			
				|  |  | -  * @retval None
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -void HAL_HASH_ContextRestoring(HASH_HandleTypeDef *hhash, uint8_t* pMemBuffer)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  uint32_t mem_ptr = (uint32_t)pMemBuffer;
 | 
	
		
			
				|  |  | -  uint32_t csr_ptr = (uint32_t)HASH->CSR;
 | 
	
		
			
				|  |  | -  uint32_t i;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Prevent unused argument(s) compilation warning */
 | 
	
		
			
				|  |  | -  UNUSED(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Restore IMR register content */
 | 
	
		
			
				|  |  | -  WRITE_REG(HASH->IMR, (*(uint32_t*)(mem_ptr)));
 | 
	
		
			
				|  |  | -  mem_ptr+=4U;
 | 
	
		
			
				|  |  | -  /* Restore STR register content */
 | 
	
		
			
				|  |  | -  WRITE_REG(HASH->STR, (*(uint32_t*)(mem_ptr)));
 | 
	
		
			
				|  |  | -  mem_ptr+=4U;
 | 
	
		
			
				|  |  | -  /* Restore CR register content */
 | 
	
		
			
				|  |  | -  WRITE_REG(HASH->CR, (*(uint32_t*)(mem_ptr)));
 | 
	
		
			
				|  |  | -  mem_ptr+=4U;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Reset the HASH processor before restoring the Context
 | 
	
		
			
				|  |  | -  Swap Registers (CSR) */
 | 
	
		
			
				|  |  | -  __HAL_HASH_INIT();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* By default, restore all CSR registers */
 | 
	
		
			
				|  |  | -  for (i = HASH_NUMBER_OF_CSR_REGISTERS; i >0U; i--)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    WRITE_REG((*(uint32_t*)(csr_ptr)), (*(uint32_t*)(mem_ptr)));
 | 
	
		
			
				|  |  | -    mem_ptr+=4U;
 | 
	
		
			
				|  |  | -    csr_ptr+=4U;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initiate HASH processing suspension when in polling or interruption mode.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @note   Set the handle field SuspendRequest to the appropriate value so that
 | 
	
		
			
				|  |  | -  *         the on-going HASH processing is suspended as soon as the required
 | 
	
		
			
				|  |  | -  *         conditions are met. Note that the actual suspension is carried out
 | 
	
		
			
				|  |  | -  *         by the functions HASH_WriteData() in polling mode and HASH_IT() in
 | 
	
		
			
				|  |  | -  *         interruption mode.
 | 
	
		
			
				|  |  | -  * @retval None
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -void HAL_HASH_SwFeed_ProcessSuspend(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  /* Set Handle Suspend Request field */
 | 
	
		
			
				|  |  | -  hhash->SuspendRequest = HAL_HASH_SUSPEND;
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Suspend the HASH processing when in DMA mode.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @note   When suspension attempt occurs at the very end of a DMA transfer and
 | 
	
		
			
				|  |  | -  *         all the data have already been entered in the IP, hhash->State is
 | 
	
		
			
				|  |  | -  *         set to HAL_HASH_STATE_READY and the API returns HAL_ERROR. It is
 | 
	
		
			
				|  |  | -  *         recommended to wrap-up the processing in reading the digest as usual.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HAL_HASH_DMAFeed_ProcessSuspend(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  uint32_t tmp_remaining_DMATransferSize_inWords;
 | 
	
		
			
				|  |  | -  uint32_t tmp_initial_DMATransferSize_inWords;
 | 
	
		
			
				|  |  | -  uint32_t tmp_words_already_pushed;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  if (hhash->State == HAL_HASH_STATE_READY)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    return HAL_ERROR;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -   /* Make sure there is enough time to suspend the processing */
 | 
	
		
			
				|  |  | -    tmp_remaining_DMATransferSize_inWords = ((DMA_Stream_TypeDef *)hhash->hdmain->Instance)->NDTR;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    if (tmp_remaining_DMATransferSize_inWords <= HASH_DMA_SUSPENSION_WORDS_LIMIT)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* No suspension attempted since almost to the end of the transferred data. */
 | 
	
		
			
				|  |  | -      /* Best option for user code is to wrap up low priority message hashing     */
 | 
	
		
			
				|  |  | -      return HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Wait for DMAS to be reset */
 | 
	
		
			
				|  |  | -    if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_BUSY, SET, HASH_TIMEOUTVALUE) != HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -       return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    if (__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS) != RESET)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      return HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Wait for DMAS to be set */
 | 
	
		
			
				|  |  | -    if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_BUSY, RESET, HASH_TIMEOUTVALUE) != HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -       return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    /* Disable DMA channel */
 | 
	
		
			
				|  |  | -    /* Note that the Abort function will
 | 
	
		
			
				|  |  | -      - Clear the transfer error flags
 | 
	
		
			
				|  |  | -      - Unlock
 | 
	
		
			
				|  |  | -      - Set the State
 | 
	
		
			
				|  |  | -    */
 | 
	
		
			
				|  |  | -    if (HAL_DMA_Abort(hhash->hdmain) !=HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      return HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Clear DMAE bit */
 | 
	
		
			
				|  |  | -    CLEAR_BIT(HASH->CR,HASH_CR_DMAE);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_BUSY, SET, HASH_TIMEOUTVALUE) != HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    if (__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS) != RESET)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      return HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* At this point, DMA interface is disabled and no transfer is on-going */
 | 
	
		
			
				|  |  | -    /* Retrieve from the DMA handle how many words remain to be written */
 | 
	
		
			
				|  |  | -    tmp_remaining_DMATransferSize_inWords = ((DMA_Stream_TypeDef *)hhash->hdmain->Instance)->NDTR;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    if (tmp_remaining_DMATransferSize_inWords == 0U)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* All the DMA transfer is actually done. Suspension occurred at the very end
 | 
	
		
			
				|  |  | -         of the transfer. Either the digest computation is about to start (HASH case)
 | 
	
		
			
				|  |  | -         or processing is about to move from one step to another (HMAC case).
 | 
	
		
			
				|  |  | -         In both cases, the processing can't be suspended at this point. It is
 | 
	
		
			
				|  |  | -         safer to
 | 
	
		
			
				|  |  | -         - retrieve the low priority block digest before starting the high
 | 
	
		
			
				|  |  | -           priority block processing (HASH case)
 | 
	
		
			
				|  |  | -         - re-attempt a new suspension (HMAC case)
 | 
	
		
			
				|  |  | -         */
 | 
	
		
			
				|  |  | -      return HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    else
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Compute how many words were supposed to be transferred by DMA */
 | 
	
		
			
				|  |  | -      tmp_initial_DMATransferSize_inWords = (((hhash->HashInCount%4U)!=0U) ?  ((hhash->HashInCount+3U)/4U): (hhash->HashInCount/4U));
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* If discrepancy between the number of words reported by DMA IP and the numbers of words entered as reported
 | 
	
		
			
				|  |  | -        by HASH IP, correct it */
 | 
	
		
			
				|  |  | -      /* tmp_words_already_pushed reflects the number of words that were already pushed before
 | 
	
		
			
				|  |  | -         the start of DMA transfer (multi-buffer processing case) */
 | 
	
		
			
				|  |  | -      tmp_words_already_pushed = hhash->NbWordsAlreadyPushed;
 | 
	
		
			
				|  |  | -      if (((tmp_words_already_pushed + tmp_initial_DMATransferSize_inWords - tmp_remaining_DMATransferSize_inWords) %16U)  != HASH_NBW_PUSHED())
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        tmp_remaining_DMATransferSize_inWords--; /* one less word to be transferred again */
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Accordingly, update the input pointer that points at the next word to be transferred to the IP by DMA */
 | 
	
		
			
				|  |  | -      hhash->pHashInBuffPtr +=  4U * (tmp_initial_DMATransferSize_inWords - tmp_remaining_DMATransferSize_inWords) ;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* And store in HashInCount the remaining size to transfer (in bytes) */
 | 
	
		
			
				|  |  | -      hhash->HashInCount = 4U * tmp_remaining_DMATransferSize_inWords;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Set State as suspended */
 | 
	
		
			
				|  |  | -    hhash->State = HAL_HASH_STATE_SUSPENDED;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    return HAL_OK;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +  uint32_t tickstart = 0;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Select the MD5 mode and reset the HASH processor core, so that the HASH will be ready to compute 
 | 
	
		
			
				|  |  | +       the message digest of a new message */
 | 
	
		
			
				|  |  | +    HASH->CR |= HASH_ALGOSELECTION_MD5 | HASH_CR_INIT;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Return the HASH handle error code.
 | 
	
		
			
				|  |  | -  * @param  hhash: pointer to a HASH_HandleTypeDef structure.
 | 
	
		
			
				|  |  | -  * @retval HASH Error Code
 | 
	
		
			
				|  |  | -*/
 | 
	
		
			
				|  |  | -uint32_t HAL_HASH_GetError(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  /* Return HASH Error Code */
 | 
	
		
			
				|  |  | -  return hhash->ErrorCode;
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @}
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/** @defgroup HASH_Private_Functions HASH Private Functions
 | 
	
		
			
				|  |  | -  * @{
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief DMA HASH Input Data transfer completion callback.
 | 
	
		
			
				|  |  | -  * @param hdma: DMA handle.
 | 
	
		
			
				|  |  | -  * @note  In case of HMAC processing, HASH_DMAXferCplt() initiates
 | 
	
		
			
				|  |  | -  *        the next DMA transfer for the following HMAC step.
 | 
	
		
			
				|  |  | -  * @retval None
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -static void HASH_DMAXferCplt(DMA_HandleTypeDef *hdma)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
 | 
	
		
			
				|  |  | -  uint32_t inputaddr;
 | 
	
		
			
				|  |  | -  uint32_t buffersize;
 | 
	
		
			
				|  |  | -  HAL_StatusTypeDef status ;
 | 
	
		
			
				|  |  |    
 | 
	
		
			
				|  |  | -  if (hhash->State != HAL_HASH_STATE_SUSPENDED)
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(pInBuffer, Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Start the digest calculation */
 | 
	
		
			
				|  |  | +  __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY))
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    /* Disable the DMA transfer */
 | 
	
		
			
				|  |  | -    CLEAR_BIT(HASH->CR, HASH_CR_DMAE);
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    if (READ_BIT(HASH->CR, HASH_CR_MODE) == 0U)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* If no HMAC processing, input data transfer is now over */
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      /* Change the HASH state to ready */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      /* Call Input data transfer complete call back */
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -      hhash->InCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | -      HAL_HASH_InCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#endif /* USE_HAL_HASH_REGISTER_CALLBACKS */
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    else
 | 
	
		
			
				|  |  | +    /* Check for the Timeout */
 | 
	
		
			
				|  |  | +    if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* HMAC processing: depending on the current HMAC step and whether or
 | 
	
		
			
				|  |  | -      not multi-buffer processing is on-going, the next step is initiated
 | 
	
		
			
				|  |  | -      and MDMAT bit is set.  */
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      if (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_3)
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* This is the end of HMAC processing */
 | 
	
		
			
				|  |  | -        
 | 
	
		
			
				|  |  | -        /* Change the HASH state to ready */
 | 
	
		
			
				|  |  | -        hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -        
 | 
	
		
			
				|  |  | -        /* Call Input data transfer complete call back
 | 
	
		
			
				|  |  | -        (note that the last DMA transfer was that of the key
 | 
	
		
			
				|  |  | -        for the outer HASH operation). */
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -        hhash->InCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | -        HAL_HASH_InCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#endif /* USE_HAL_HASH_REGISTER_CALLBACKS */
 | 
	
		
			
				|  |  | -        
 | 
	
		
			
				|  |  | -        return;
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -      else if (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_1)
 | 
	
		
			
				|  |  | +      if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
 | 
	
		
			
				|  |  |        {
 | 
	
		
			
				|  |  | -        inputaddr = (uint32_t)hhash->pHashMsgBuffPtr;     /* DMA transfer start address */
 | 
	
		
			
				|  |  | -        buffersize = hhash->HashBuffSize;                 /* DMA transfer size (in bytes) */
 | 
	
		
			
				|  |  | -        hhash->Phase = HAL_HASH_PHASE_HMAC_STEP_2;        /* Move phase from Step 1 to Step 2 */
 | 
	
		
			
				|  |  | +        /* Change state */
 | 
	
		
			
				|  |  | +        hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  |          
 | 
	
		
			
				|  |  | -        /* In case of suspension request, save the new starting parameters */
 | 
	
		
			
				|  |  | -        hhash->HashInCount = hhash->HashBuffSize;         /* Initial DMA transfer size (in bytes) */
 | 
	
		
			
				|  |  | -        hhash->pHashInBuffPtr  = hhash->pHashMsgBuffPtr ; /* DMA transfer start address           */
 | 
	
		
			
				|  |  | +        /* Process Unlocked */
 | 
	
		
			
				|  |  | +        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  |          
 | 
	
		
			
				|  |  | -        hhash->NbWordsAlreadyPushed = 0U;                  /* Reset number of words already pushed */
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -      else  /*case (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_2)*/
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        if (hhash->DigestCalculationDisable != RESET)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -          /* No automatic move to Step 3 as a new message buffer will be fed to the IP
 | 
	
		
			
				|  |  | -          (case of multi-buffer HMAC processing):
 | 
	
		
			
				|  |  | -          DCAL must not be set.
 | 
	
		
			
				|  |  | -          Phase remains in Step 2, MDMAT remains set at this point.
 | 
	
		
			
				|  |  | -          Change the HASH state to ready and call Input data transfer complete call back. */
 | 
	
		
			
				|  |  | -          hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -          hhash->InCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | -          HAL_HASH_InCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#endif /* USE_HAL_HASH_REGISTER_CALLBACKS */
 | 
	
		
			
				|  |  | -          return ;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        else
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -          /* Digest calculation is not disabled (case of single buffer input or last buffer
 | 
	
		
			
				|  |  | -          of multi-buffer HMAC processing) */
 | 
	
		
			
				|  |  | -          inputaddr = (uint32_t)hhash->Init.pKey;       /* DMA transfer start address */
 | 
	
		
			
				|  |  | -          buffersize = hhash->Init.KeySize;             /* DMA transfer size (in bytes) */
 | 
	
		
			
				|  |  | -          hhash->Phase = HAL_HASH_PHASE_HMAC_STEP_3;    /* Move phase from Step 2 to Step 3 */
 | 
	
		
			
				|  |  | -          /* In case of suspension request, save the new starting parameters */
 | 
	
		
			
				|  |  | -          hhash->HashInCount = hhash->Init.KeySize;     /* Initial size for second DMA transfer (input data) */
 | 
	
		
			
				|  |  | -          hhash->pHashInBuffPtr  = hhash->Init.pKey ;   /* address passed to DMA, now entering data message */
 | 
	
		
			
				|  |  | -          
 | 
	
		
			
				|  |  | -          hhash->NbWordsAlreadyPushed = 0U;              /* Reset number of words already pushed */
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -   
 | 
	
		
			
				|  |  | -    /* Configure the Number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | -    __HAL_HASH_SET_NBVALIDBITS(buffersize);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Set the HASH DMA transfert completion call back */
 | 
	
		
			
				|  |  | -      hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt;
 | 
	
		
			
				|  |  | -     
 | 
	
		
			
				|  |  | -      /* Enable the DMA In DMA Stream */
 | 
	
		
			
				|  |  | -    status = HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (((buffersize %4U)!=0U) ? ((buffersize+(4U-(buffersize %4U)))/4U):(buffersize/4U)));
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Enable DMA requests */
 | 
	
		
			
				|  |  | -    SET_BIT(HASH->CR, HASH_CR_DMAE);
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -          /* Return function status */
 | 
	
		
			
				|  |  | -      if (status != HAL_OK)
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* Update DAC state machine to error */
 | 
	
		
			
				|  |  | -        hhash->State = HAL_HASH_STATE_ERROR;      
 | 
	
		
			
				|  |  | +        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  | -      else
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* Change DAC state */
 | 
	
		
			
				|  |  | -        hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      }     
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  return;
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief DMA HASH communication error callback.
 | 
	
		
			
				|  |  | -  * @param hdma: DMA handle.
 | 
	
		
			
				|  |  | -  * @note  HASH_DMAError() callback invokes HAL_HASH_ErrorCallback() that
 | 
	
		
			
				|  |  | -  *        can contain user code to manage the error.
 | 
	
		
			
				|  |  | -  * @retval None
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -static void HASH_DMAError(DMA_HandleTypeDef *hdma)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  HASH_HandleTypeDef* hhash = ( HASH_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  if (hhash->State != HAL_HASH_STATE_SUSPENDED)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    hhash->ErrorCode |= HAL_HASH_ERROR_DMA;
 | 
	
		
			
				|  |  | -    /* Set HASH state to ready to prevent any blocking issue in user code
 | 
	
		
			
				|  |  | -       present in HAL_HASH_ErrorCallback() */
 | 
	
		
			
				|  |  | -    hhash->State= HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -    /* Set HASH handle status to error */
 | 
	
		
			
				|  |  | -    hhash->Status = HAL_ERROR;
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -    hhash->ErrorCallback(hhash);
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | -    HAL_HASH_ErrorCallback(hhash);
 | 
	
		
			
				|  |  | -#endif /* USE_HAL_HASH_REGISTER_CALLBACKS */
 | 
	
		
			
				|  |  | -    /* After error handling by code user, reset HASH handle HAL status */
 | 
	
		
			
				|  |  | -    hhash->Status = HAL_OK;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Read the message digest */
 | 
	
		
			
				|  |  | +  HASH_GetDigest(pOutBuffer, 16);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +   
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Feed the input buffer to the HASH IP.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to input buffer.
 | 
	
		
			
				|  |  | -  * @param  Size: the size of input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @note   HASH_WriteData() regularly reads hhash->SuspendRequest to check whether
 | 
	
		
			
				|  |  | -  *         or not the HASH processing must be suspended. If this is the case, the
 | 
	
		
			
				|  |  | -  *         processing is suspended when possible and the IP feeding point reached at
 | 
	
		
			
				|  |  | -  *         suspension time is stored in the handle for resumption later on.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in MD5 mode then writes the pInBuffer.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is multiple of 64 bytes, appending the input buffer is possible.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware
 | 
	
		
			
				|  |  | +  *          and appending the input buffer is no more possible.
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -static HAL_StatusTypeDef HASH_WriteData(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  uint32_t buffercounter;
 | 
	
		
			
				|  |  | -  __IO uint32_t inputaddr = (uint32_t) pInBuffer;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  for(buffercounter = 0U; buffercounter < Size; buffercounter+=4U)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    /* Write input data 4 bytes at a time */
 | 
	
		
			
				|  |  | -    HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | -    inputaddr+=4U;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* If the suspension flag has been raised and if the processing is not about
 | 
	
		
			
				|  |  | -    to end, suspend processing */
 | 
	
		
			
				|  |  | -    if ((hhash->SuspendRequest == HAL_HASH_SUSPEND) && ((buffercounter+4U) < Size))
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Wait for DINIS = 1, which occurs when 16 32-bit locations are free
 | 
	
		
			
				|  |  | -      in the input buffer */
 | 
	
		
			
				|  |  | -      if (__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* Reset SuspendRequest */
 | 
	
		
			
				|  |  | -        hhash->SuspendRequest = HAL_HASH_SUSPEND_NONE;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /* Depending whether the key or the input data were fed to the IP, the feeding point
 | 
	
		
			
				|  |  | -        reached at suspension time is not saved in the same handle fields */
 | 
	
		
			
				|  |  | -        if ((hhash->Phase == HAL_HASH_PHASE_PROCESS) || (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_2))
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -          /* Save current reading and writing locations of Input and Output buffers */
 | 
	
		
			
				|  |  | -          hhash->pHashInBuffPtr =  (uint8_t *)inputaddr;
 | 
	
		
			
				|  |  | -          /* Save the number of bytes that remain to be processed at this point */
 | 
	
		
			
				|  |  | -          hhash->HashInCount    =  Size - (buffercounter + 4U);
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        else if ((hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_1) || (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_3))
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -          /* Save current reading and writing locations of Input and Output buffers */
 | 
	
		
			
				|  |  | -          hhash->pHashKeyBuffPtr  =  (uint8_t *)inputaddr;
 | 
	
		
			
				|  |  | -          /* Save the number of bytes that remain to be processed at this point */
 | 
	
		
			
				|  |  | -          hhash->HashKeyCount  =  Size - (buffercounter + 4U);
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        else
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -          /* Unexpected phase: unlock process and report error */
 | 
	
		
			
				|  |  | -          hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -          __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -          return HAL_ERROR;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /* Set the HASH state to Suspended and exit to stop entering data */
 | 
	
		
			
				|  |  | -        hhash->State = HAL_HASH_STATE_SUSPENDED;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        return HAL_OK;
 | 
	
		
			
				|  |  | -      } /* if (__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))  */
 | 
	
		
			
				|  |  | -    } /* if ((hhash->SuspendRequest == HAL_HASH_SUSPEND) && ((buffercounter+4) < Size)) */
 | 
	
		
			
				|  |  | -  }   /* for(buffercounter = 0; buffercounter < Size; buffercounter+=4)                 */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* At this point, all the data have been entered to the IP: exit */
 | 
	
		
			
				|  |  | -  return  HAL_OK;
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Retrieve the message digest.
 | 
	
		
			
				|  |  | -  * @param  pMsgDigest: pointer to the computed digest.
 | 
	
		
			
				|  |  | -  * @param  Size: message digest size in bytes.
 | 
	
		
			
				|  |  | -  * @retval None
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -static void HASH_GetDigest(uint8_t *pMsgDigest, uint8_t Size)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  uint32_t msgdigest = (uint32_t)pMsgDigest;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  switch(Size)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HASH_MD5_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  | +{  
 | 
	
		
			
				|  |  | +  /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    /* Read the message digest */
 | 
	
		
			
				|  |  | -    case 16:  /* MD5 */
 | 
	
		
			
				|  |  | -      *(uint32_t*)(msgdigest) = __REV(HASH->HR[0]);
 | 
	
		
			
				|  |  | -      msgdigest+=4U;
 | 
	
		
			
				|  |  | -      *(uint32_t*)(msgdigest) = __REV(HASH->HR[1]);
 | 
	
		
			
				|  |  | -      msgdigest+=4U;
 | 
	
		
			
				|  |  | -      *(uint32_t*)(msgdigest) = __REV(HASH->HR[2]);
 | 
	
		
			
				|  |  | -      msgdigest+=4U;
 | 
	
		
			
				|  |  | -      *(uint32_t*)(msgdigest) = __REV(HASH->HR[3]);
 | 
	
		
			
				|  |  | -    break;
 | 
	
		
			
				|  |  | -    case 20:  /* SHA1 */
 | 
	
		
			
				|  |  | -      *(uint32_t*)(msgdigest) = __REV(HASH->HR[0]);
 | 
	
		
			
				|  |  | -      msgdigest+=4U;
 | 
	
		
			
				|  |  | -      *(uint32_t*)(msgdigest) = __REV(HASH->HR[1]);
 | 
	
		
			
				|  |  | -      msgdigest+=4U;
 | 
	
		
			
				|  |  | -      *(uint32_t*)(msgdigest) = __REV(HASH->HR[2]);
 | 
	
		
			
				|  |  | -      msgdigest+=4U;
 | 
	
		
			
				|  |  | -      *(uint32_t*)(msgdigest) = __REV(HASH->HR[3]);
 | 
	
		
			
				|  |  | -      msgdigest+=4U;
 | 
	
		
			
				|  |  | -      *(uint32_t*)(msgdigest) = __REV(HASH->HR[4]);
 | 
	
		
			
				|  |  | -    break;
 | 
	
		
			
				|  |  | -    default:
 | 
	
		
			
				|  |  | -    break;
 | 
	
		
			
				|  |  | +    /* Select the MD5 mode and reset the HASH processor core, so that the HASH will be ready to compute 
 | 
	
		
			
				|  |  | +       the message digest of a new message */
 | 
	
		
			
				|  |  | +    HASH->CR |= HASH_ALGOSELECTION_MD5 | HASH_CR_INIT;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(pInBuffer, Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Handle HASH processing Timeout.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  Flag: specifies the HASH flag to check.
 | 
	
		
			
				|  |  | -  * @param  Status: the Flag status (SET or RESET).
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout duration.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in SHA1 mode then processes pInBuffer.
 | 
	
		
			
				|  |  | +            The digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).  
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  | +  * @param  pOutBuffer: Pointer to the computed digest. Its size must be 20 bytes.
 | 
	
		
			
				|  |  | +  * @param  Timeout: Timeout value  
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -static HAL_StatusTypeDef HASH_WaitOnFlagUntilTimeout(HASH_HandleTypeDef *hhash, uint32_t Flag, FlagStatus Status, uint32_t Timeout)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HASH_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  uint32_t tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  | +  uint32_t tickstart = 0;   
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -  /* Wait until flag is set */
 | 
	
		
			
				|  |  | -  if(Status == RESET)
 | 
	
		
			
				|  |  | +  /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    while(__HAL_HASH_GET_FLAG(Flag) == RESET)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Check for the Timeout */
 | 
	
		
			
				|  |  | -      if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        if(((HAL_GetTick()-tickstart) > Timeout) || (Timeout == 0U))
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -          /* Set State to Ready to be able to restart later on */
 | 
	
		
			
				|  |  | -          hhash->State  = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -          /* Store time out issue in handle status */
 | 
	
		
			
				|  |  | -          hhash->Status = HAL_TIMEOUT;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -          /* Process Unlocked */
 | 
	
		
			
				|  |  | -          __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -          return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | +    /* Select the SHA1 mode and reset the HASH processor core, so that the HASH will be ready to compute 
 | 
	
		
			
				|  |  | +       the message digest of a new message */
 | 
	
		
			
				|  |  | +    HASH->CR |= HASH_ALGOSELECTION_SHA1 | HASH_CR_INIT;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    while(__HAL_HASH_GET_FLAG(Flag) != RESET)
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(pInBuffer, Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Start the digest calculation */
 | 
	
		
			
				|  |  | +  __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY))
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  |        /* Check for the Timeout */
 | 
	
		
			
				|  |  |        if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  |        {
 | 
	
		
			
				|  |  | -        if(((HAL_GetTick()-tickstart) > Timeout) || (Timeout == 0U))
 | 
	
		
			
				|  |  | +        if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
 | 
	
		
			
				|  |  |          {
 | 
	
		
			
				|  |  | -          /* Set State to Ready to be able to restart later on */
 | 
	
		
			
				|  |  | -          hhash->State  = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -          /* Store time out issue in handle status */
 | 
	
		
			
				|  |  | -          hhash->Status = HAL_TIMEOUT;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +          /* Change state */
 | 
	
		
			
				|  |  | +          hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  | +          
 | 
	
		
			
				|  |  |            /* Process Unlocked */
 | 
	
		
			
				|  |  |            __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +          
 | 
	
		
			
				|  |  |            return HAL_TIMEOUT;
 | 
	
		
			
				|  |  |          }
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Read the message digest */
 | 
	
		
			
				|  |  | +  HASH_GetDigest(pOutBuffer, 20);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  |    return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  HASH processing in interruption mode.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @note   HASH_IT() regularly reads hhash->SuspendRequest to check whether
 | 
	
		
			
				|  |  | -  *         or not the HASH processing must be suspended. If this is the case, the
 | 
	
		
			
				|  |  | -  *         processing is suspended when possible and the IP feeding point reached at
 | 
	
		
			
				|  |  | -  *         suspension time is stored in the handle for resumption later on.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in SHA1 mode then processes pInBuffer.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  | +  * @note  Input buffer size in bytes must be a multiple of 4 otherwise the digest computation is corrupted.
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -static HAL_StatusTypeDef HASH_IT(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HASH_SHA1_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  if (hhash->State == HAL_HASH_STATE_BUSY)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    /* ITCounter must not be equal to 0 at this point. Report an error if this is the case. */
 | 
	
		
			
				|  |  | -    if(hhash->HashITCounter == 0U)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Disable Interrupts */
 | 
	
		
			
				|  |  | -      __HAL_HASH_DISABLE_IT(HASH_IT_DINI|HASH_IT_DCI);
 | 
	
		
			
				|  |  | -      /* HASH state set back to Ready to prevent any issue in user code
 | 
	
		
			
				|  |  | -         present in HAL_HASH_ErrorCallback() */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      return HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    else if (hhash->HashITCounter == 1U)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -     /* This is the first call to HASH_IT, the first input data are about to be
 | 
	
		
			
				|  |  | -        entered in the IP. A specific processing is carried out at this point to
 | 
	
		
			
				|  |  | -        start-up the processing. */
 | 
	
		
			
				|  |  | -      hhash->HashITCounter = 2U;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    else
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Cruise speed reached, HashITCounter remains equal to 3 until the end of
 | 
	
		
			
				|  |  | -        the HASH processing or the end of the current step for HMAC processing. */
 | 
	
		
			
				|  |  | -      hhash->HashITCounter = 3U;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* If digest is ready */
 | 
	
		
			
				|  |  | -    if (__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS))
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Read the digest */
 | 
	
		
			
				|  |  | -      HASH_GetDigest(hhash->pHashOutBuffPtr, HASH_DIGEST_LENGTH());
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Disable Interrupts */
 | 
	
		
			
				|  |  | -      __HAL_HASH_DISABLE_IT(HASH_IT_DINI|HASH_IT_DCI);
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      /* Call digest computation complete call back */
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -      hhash->DgstCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | -      HAL_HASH_DgstCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#endif /* USE_HAL_HASH_REGISTER_CALLBACKS */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      return HAL_OK;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* If IP ready to accept new data */
 | 
	
		
			
				|  |  | -    if (__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* If the suspension flag has been raised and if the processing is not about
 | 
	
		
			
				|  |  | -         to end, suspend processing */
 | 
	
		
			
				|  |  | -      if ( (hhash->HashInCount != 0U) &&  (hhash->SuspendRequest == HAL_HASH_SUSPEND))
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* Disable Interrupts */
 | 
	
		
			
				|  |  | -        __HAL_HASH_DISABLE_IT(HASH_IT_DINI|HASH_IT_DCI);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /* Reset SuspendRequest */
 | 
	
		
			
				|  |  | -        hhash->SuspendRequest = HAL_HASH_SUSPEND_NONE;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /* Change the HASH state */
 | 
	
		
			
				|  |  | -        hhash->State = HAL_HASH_STATE_SUSPENDED;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        return HAL_OK;
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Enter input data in the IP thru HASH_Write_Block_Data() call and
 | 
	
		
			
				|  |  | -        check whether the digest calculation has been triggered */
 | 
	
		
			
				|  |  | -      if (HASH_Write_Block_Data(hhash) == HASH_DIGEST_CALCULATION_STARTED)
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* Call Input data transfer complete call back
 | 
	
		
			
				|  |  | -           (called at the end of each step for HMAC) */
 | 
	
		
			
				|  |  | -#if (USE_HAL_HASH_REGISTER_CALLBACKS == 1)
 | 
	
		
			
				|  |  | -        hhash->InCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#else
 | 
	
		
			
				|  |  | -        HAL_HASH_InCpltCallback(hhash);
 | 
	
		
			
				|  |  | -#endif /* USE_HAL_HASH_REGISTER_CALLBACKS */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        if (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_1)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -          /* Wait until IP is not busy anymore */
 | 
	
		
			
				|  |  | -          if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_BUSY, SET, HASH_TIMEOUTVALUE) != HAL_OK)
 | 
	
		
			
				|  |  | -          {
 | 
	
		
			
				|  |  | -            /* Disable Interrupts */
 | 
	
		
			
				|  |  | -            __HAL_HASH_DISABLE_IT(HASH_IT_DINI|HASH_IT_DCI);
 | 
	
		
			
				|  |  | -            return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | -          }
 | 
	
		
			
				|  |  | -          /* Initialization start for HMAC STEP 2 */
 | 
	
		
			
				|  |  | -          hhash->Phase = HAL_HASH_PHASE_HMAC_STEP_2;        /* Move phase from Step 1 to Step 2 */
 | 
	
		
			
				|  |  | -          __HAL_HASH_SET_NBVALIDBITS(hhash->HashBuffSize);  /* Set NBLW for the input message */
 | 
	
		
			
				|  |  | -          hhash->HashInCount = hhash->HashBuffSize;         /* Set the input data size (in bytes) */
 | 
	
		
			
				|  |  | -          hhash->pHashInBuffPtr = hhash->pHashMsgBuffPtr;   /* Set the input data address */
 | 
	
		
			
				|  |  | -          hhash->HashITCounter = 1;                         /* Set ITCounter to 1 to indicate the start of a new phase */
 | 
	
		
			
				|  |  | -          __HAL_HASH_ENABLE_IT(HASH_IT_DINI);               /* Enable IT (was disabled in HASH_Write_Block_Data) */
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        else if (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_2)
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -          /* Wait until IP is not busy anymore */
 | 
	
		
			
				|  |  | -          if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_BUSY, SET, HASH_TIMEOUTVALUE) != HAL_OK)
 | 
	
		
			
				|  |  | -          {
 | 
	
		
			
				|  |  | -            /* Disable Interrupts */
 | 
	
		
			
				|  |  | -            __HAL_HASH_DISABLE_IT(HASH_IT_DINI|HASH_IT_DCI);
 | 
	
		
			
				|  |  | -            return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | -          }
 | 
	
		
			
				|  |  | -          /* Initialization start for HMAC STEP 3 */
 | 
	
		
			
				|  |  | -          hhash->Phase = HAL_HASH_PHASE_HMAC_STEP_3;         /* Move phase from Step 2 to Step 3 */
 | 
	
		
			
				|  |  | -          __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);   /* Set NBLW for the key */
 | 
	
		
			
				|  |  | -          hhash->HashInCount = hhash->Init.KeySize;          /* Set the key size (in bytes) */
 | 
	
		
			
				|  |  | -          hhash->pHashInBuffPtr = hhash->Init.pKey;          /* Set the key address */
 | 
	
		
			
				|  |  | -          hhash->HashITCounter = 1;                          /* Set ITCounter to 1 to indicate the start of a new phase */
 | 
	
		
			
				|  |  | -          __HAL_HASH_ENABLE_IT(HASH_IT_DINI);                /* Enable IT (was disabled in HASH_Write_Block_Data) */
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        else
 | 
	
		
			
				|  |  | -        {
 | 
	
		
			
				|  |  | -          /* Nothing to do */
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -      } /* if (HASH_Write_Block_Data(hhash) == HASH_DIGEST_CALCULATION_STARTED) */
 | 
	
		
			
				|  |  | -    }  /* if (__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))*/
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    return HAL_OK;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check the parameters */
 | 
	
		
			
				|  |  | +  assert_param(IS_HASH_SHA1_BUFFER_SIZE(Size));
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    return HAL_BUSY;
 | 
	
		
			
				|  |  | +    /* Select the SHA1 mode and reset the HASH processor core, so that the HASH will be ready to compute 
 | 
	
		
			
				|  |  | +       the message digest of a new message */
 | 
	
		
			
				|  |  | +    HASH->CR |= HASH_ALGOSELECTION_SHA1 | HASH_CR_INIT;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(pInBuffer, Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Write a block of data in HASH IP in interruption mode.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @note   HASH_Write_Block_Data() is called under interruption by HASH_IT().
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | +  * @}
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -static uint32_t HASH_Write_Block_Data(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -  uint32_t inputaddr;
 | 
	
		
			
				|  |  | -  uint32_t buffercounter;
 | 
	
		
			
				|  |  | -  uint32_t inputcounter;
 | 
	
		
			
				|  |  | -  uint32_t ret = HASH_DIGEST_CALCULATION_NOT_STARTED;
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -  /* If there are more than 64 bytes remaining to be entered */
 | 
	
		
			
				|  |  | -  if(hhash->HashInCount > 64U)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    inputaddr = (uint32_t)hhash->pHashInBuffPtr;
 | 
	
		
			
				|  |  | -    /* Write the Input block in the Data IN register
 | 
	
		
			
				|  |  | -      (16 32-bit words, or 64 bytes are entered) */
 | 
	
		
			
				|  |  | -    for(buffercounter = 0U; buffercounter < 64U; buffercounter+=4U)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | -      inputaddr+=4U;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    /* If this is the start of input data entering, an additional word
 | 
	
		
			
				|  |  | -      must be entered to start up the HASH processing */
 | 
	
		
			
				|  |  | -    if(hhash->HashITCounter == 2U)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | -      if(hhash->HashInCount >= 68U)
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* There are still data waiting to be entered in the IP.
 | 
	
		
			
				|  |  | -           Decrement buffer counter and set pointer to the proper
 | 
	
		
			
				|  |  | -           memory location for the next data entering round. */
 | 
	
		
			
				|  |  | -        hhash->HashInCount -= 68U;
 | 
	
		
			
				|  |  | -        hhash->pHashInBuffPtr+= 68U;
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -      else
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* All the input buffer has been fed to the HW. */
 | 
	
		
			
				|  |  | -        hhash->HashInCount = 0U;
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    else
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* 64 bytes have been entered and there are still some remaining:
 | 
	
		
			
				|  |  | -         Decrement buffer counter and set pointer to the proper
 | 
	
		
			
				|  |  | -        memory location for the next data entering round.*/
 | 
	
		
			
				|  |  | -      hhash->HashInCount -= 64U;
 | 
	
		
			
				|  |  | -      hhash->pHashInBuffPtr+= 64U;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    /* 64 or less bytes remain to be entered. This is the last
 | 
	
		
			
				|  |  | -      data entering round. */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Get the buffer address */
 | 
	
		
			
				|  |  | -    inputaddr = (uint32_t)hhash->pHashInBuffPtr;
 | 
	
		
			
				|  |  | -    /* Get the buffer counter */
 | 
	
		
			
				|  |  | -    inputcounter = hhash->HashInCount;
 | 
	
		
			
				|  |  | -    /* Disable Interrupts */
 | 
	
		
			
				|  |  | -    __HAL_HASH_DISABLE_IT(HASH_IT_DINI);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Write the Input block in the Data IN register */
 | 
	
		
			
				|  |  | -    for(buffercounter = 0U; buffercounter < ((inputcounter+3U)/4U); buffercounter++)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | -      inputaddr+=4U;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    /* Start the Digest calculation */
 | 
	
		
			
				|  |  | -    __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | -    /* Return indication that digest calculation has started:
 | 
	
		
			
				|  |  | -       this return value triggers the call to Input data transfer
 | 
	
		
			
				|  |  | -       complete call back as well as the proper transition from
 | 
	
		
			
				|  |  | -       one step to another in HMAC mode. */
 | 
	
		
			
				|  |  | -    ret = HASH_DIGEST_CALCULATION_STARTED;
 | 
	
		
			
				|  |  | -    /* Reset buffer counter */
 | 
	
		
			
				|  |  | -    hhash->HashInCount = 0;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | +/** @defgroup HASH_Exported_Functions_Group3 HASH processing functions using interrupt mode
 | 
	
		
			
				|  |  | + *  @brief   processing functions using interrupt mode. 
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | +@verbatim   
 | 
	
		
			
				|  |  | + ===============================================================================
 | 
	
		
			
				|  |  | +              ##### HASH processing using interrupt mode functions #####
 | 
	
		
			
				|  |  | + ===============================================================================  
 | 
	
		
			
				|  |  | +    [..]  This section provides functions allowing to calculate in interrupt mode
 | 
	
		
			
				|  |  | +          the hash value using one of the following algorithms:
 | 
	
		
			
				|  |  | +      (+) MD5
 | 
	
		
			
				|  |  | +      (+) SHA1
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -  /* Return whether or digest calculation has started */
 | 
	
		
			
				|  |  | -  return ret;
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | +@endverbatim
 | 
	
		
			
				|  |  | +  * @{
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  HMAC processing in polling mode.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout value.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in MD5 mode then processes pInBuffer.
 | 
	
		
			
				|  |  | +  *         The digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).   
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  | +  * @param  pOutBuffer: Pointer to the computed digest. Its size must be 16 bytes.
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -static HAL_StatusTypeDef HMAC_Processing(HASH_HandleTypeDef *hhash, uint32_t Timeout)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HASH_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  /* Ensure first that Phase is correct */
 | 
	
		
			
				|  |  | -  if ((hhash->Phase != HAL_HASH_PHASE_HMAC_STEP_1) && (hhash->Phase != HAL_HASH_PHASE_HMAC_STEP_2) && (hhash->Phase != HAL_HASH_PHASE_HMAC_STEP_3))
 | 
	
		
			
				|  |  | +  uint32_t inputaddr;
 | 
	
		
			
				|  |  | +  uint32_t outputaddr;
 | 
	
		
			
				|  |  | +  uint32_t buffercounter;
 | 
	
		
			
				|  |  | +  uint32_t inputcounter;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  if(hhash->State == HAL_HASH_STATE_READY)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  |      /* Change the HASH state */
 | 
	
		
			
				|  |  | -    hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process Unlock */
 | 
	
		
			
				|  |  | -    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    return HAL_ERROR;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* HMAC Step 1 processing */
 | 
	
		
			
				|  |  | -  if (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_1)
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    /************************** STEP 1 ******************************************/
 | 
	
		
			
				|  |  | -    /* Configure the Number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | -    __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Write input buffer in Data register */
 | 
	
		
			
				|  |  | -    hhash->Status = HASH_WriteData(hhash, hhash->pHashKeyBuffPtr, hhash->HashKeyCount);
 | 
	
		
			
				|  |  | -    if (hhash->Status != HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      return hhash->Status;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Check whether or not key entering process has been suspended */
 | 
	
		
			
				|  |  | -    if (hhash->State == HAL_HASH_STATE_SUSPENDED)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Process Unlocked */
 | 
	
		
			
				|  |  | -      __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Stop right there and return function status */
 | 
	
		
			
				|  |  | -      return HAL_OK;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* No processing suspension at this point: set DCAL bit. */
 | 
	
		
			
				|  |  | -    __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Wait for BUSY flag to be cleared */
 | 
	
		
			
				|  |  | -    if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_BUSY, SET, Timeout) != HAL_OK)
 | 
	
		
			
				|  |  | +    hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    hhash->HashInCount = Size;
 | 
	
		
			
				|  |  | +    hhash->pHashInBuffPtr = pInBuffer;
 | 
	
		
			
				|  |  | +    hhash->pHashOutBuffPtr = pOutBuffer;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +    if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | +      /* Select the SHA1 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= HASH_ALGOSELECTION_MD5;
 | 
	
		
			
				|  |  | +      /* Reset the HASH processor core, so that the HASH will be ready to compute 
 | 
	
		
			
				|  |  | +         the message digest of a new message */
 | 
	
		
			
				|  |  | +      HASH->CR |= HASH_CR_INIT;
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Move from Step 1 to Step 2 */
 | 
	
		
			
				|  |  | -    hhash->Phase = HAL_HASH_PHASE_HMAC_STEP_2;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +    /* Reset interrupt counter */
 | 
	
		
			
				|  |  | +    hhash->HashITCounter = 0;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Set the phase */
 | 
	
		
			
				|  |  | +    hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Process Unlocked */
 | 
	
		
			
				|  |  | +    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Enable Interrupts */
 | 
	
		
			
				|  |  | +    HASH->IMR = (HASH_IT_DINI | HASH_IT_DCI);
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Return function status */
 | 
	
		
			
				|  |  | +    return HAL_OK;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* HMAC Step 2 processing.
 | 
	
		
			
				|  |  | -     After phase check, HMAC_Processing() may
 | 
	
		
			
				|  |  | -     - directly start up from this point in resumption case
 | 
	
		
			
				|  |  | -       if the same Step 2 processing was suspended previously
 | 
	
		
			
				|  |  | -    - or fall through from the Step 1 processing carried out hereabove */
 | 
	
		
			
				|  |  | -  if (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_2)
 | 
	
		
			
				|  |  | +  if(__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS))
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    /************************** STEP 2 ******************************************/
 | 
	
		
			
				|  |  | -    /* Configure the Number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | -    __HAL_HASH_SET_NBVALIDBITS(hhash->HashBuffSize);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Write input buffer in Data register */
 | 
	
		
			
				|  |  | -    hhash->Status = HASH_WriteData(hhash, hhash->pHashInBuffPtr, hhash->HashInCount);
 | 
	
		
			
				|  |  | -    if (hhash->Status != HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      return hhash->Status;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Check whether or not data entering process has been suspended */
 | 
	
		
			
				|  |  | -    if (hhash->State == HAL_HASH_STATE_SUSPENDED)
 | 
	
		
			
				|  |  | +    outputaddr = (uint32_t)hhash->pHashOutBuffPtr;
 | 
	
		
			
				|  |  | +    /* Read the Output block from the Output FIFO */
 | 
	
		
			
				|  |  | +    *(uint32_t*)(outputaddr) = __REV(HASH->HR[0]);
 | 
	
		
			
				|  |  | +    outputaddr+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(outputaddr) = __REV(HASH->HR[1]);
 | 
	
		
			
				|  |  | +    outputaddr+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(outputaddr) = __REV(HASH->HR[2]);
 | 
	
		
			
				|  |  | +    outputaddr+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(outputaddr) = __REV(HASH->HR[3]);
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    if(hhash->HashInCount == 0)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | +      /* Disable Interrupts */
 | 
	
		
			
				|  |  | +      HASH->IMR = 0;
 | 
	
		
			
				|  |  | +      /* Change the HASH state */
 | 
	
		
			
				|  |  | +      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +      /* Call digest computation complete callback */
 | 
	
		
			
				|  |  | +      HAL_HASH_DgstCpltCallback(hhash);
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  |        /* Process Unlocked */
 | 
	
		
			
				|  |  |        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Stop right there and return function status */
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +      /* Return function status */
 | 
	
		
			
				|  |  |        return HAL_OK;
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* No processing suspension at this point: set DCAL bit. */
 | 
	
		
			
				|  |  | -    __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Wait for BUSY flag to be cleared */
 | 
	
		
			
				|  |  | -    if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_BUSY, SET, Timeout) != HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Move from Step 2 to Step 3 */
 | 
	
		
			
				|  |  | -    hhash->Phase = HAL_HASH_PHASE_HMAC_STEP_3;
 | 
	
		
			
				|  |  | -    /* In case Step 1 phase was suspended then resumed,
 | 
	
		
			
				|  |  | -       set again Key input buffers and size before moving to
 | 
	
		
			
				|  |  | -       next step */
 | 
	
		
			
				|  |  | -    hhash->pHashKeyBuffPtr = hhash->Init.pKey;
 | 
	
		
			
				|  |  | -    hhash->HashKeyCount    = hhash->Init.KeySize;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | - /* HMAC Step 3 processing.
 | 
	
		
			
				|  |  | -     After phase check, HMAC_Processing() may
 | 
	
		
			
				|  |  | -     - directly start up from this point in resumption case
 | 
	
		
			
				|  |  | -       if the same Step 3 processing was suspended previously
 | 
	
		
			
				|  |  | -    - or fall through from the Step 2 processing carried out hereabove */
 | 
	
		
			
				|  |  | -  if (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_3)
 | 
	
		
			
				|  |  | +  if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    /************************** STEP 3 ******************************************/
 | 
	
		
			
				|  |  | -    /* Configure the Number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | -    __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Write input buffer in Data register */
 | 
	
		
			
				|  |  | -    hhash->Status = HASH_WriteData(hhash, hhash->pHashKeyBuffPtr, hhash->HashKeyCount);
 | 
	
		
			
				|  |  | -    if (hhash->Status != HAL_OK)
 | 
	
		
			
				|  |  | +    if(hhash->HashInCount >= 68)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      return hhash->Status;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Check whether or not key entering process has been suspended */
 | 
	
		
			
				|  |  | -    if (hhash->State == HAL_HASH_STATE_SUSPENDED)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Process Unlocked */
 | 
	
		
			
				|  |  | -      __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +      inputaddr = (uint32_t)hhash->pHashInBuffPtr;
 | 
	
		
			
				|  |  | +      /* Write the Input block in the Data IN register */
 | 
	
		
			
				|  |  | +      for(buffercounter = 0; buffercounter < 64; buffercounter+=4)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | +        inputaddr+=4;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      if(hhash->HashITCounter == 0)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -      /* Stop right there and return function status */
 | 
	
		
			
				|  |  | -      return HAL_OK;
 | 
	
		
			
				|  |  | +        if(hhash->HashInCount >= 68)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          /* Decrement buffer counter */
 | 
	
		
			
				|  |  | +          hhash->HashInCount -= 68;
 | 
	
		
			
				|  |  | +          hhash->pHashInBuffPtr+= 68;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        else
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          hhash->HashInCount = 0;
 | 
	
		
			
				|  |  | +          hhash->pHashInBuffPtr+= hhash->HashInCount;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        /* Set Interrupt counter */
 | 
	
		
			
				|  |  | +        hhash->HashITCounter = 1;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      else
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        /* Decrement buffer counter */
 | 
	
		
			
				|  |  | +        hhash->HashInCount -= 64;
 | 
	
		
			
				|  |  | +        hhash->pHashInBuffPtr+= 64;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* No processing suspension at this point: start the Digest calculation. */
 | 
	
		
			
				|  |  | -    __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Wait for DCIS flag to be set */
 | 
	
		
			
				|  |  | -     if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_DCIS, RESET, Timeout) != HAL_OK)
 | 
	
		
			
				|  |  | +    else
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | +      /* Get the buffer address */
 | 
	
		
			
				|  |  | +      inputaddr = (uint32_t)hhash->pHashInBuffPtr;
 | 
	
		
			
				|  |  | +      /* Get the buffer counter */
 | 
	
		
			
				|  |  | +      inputcounter = hhash->HashInCount;
 | 
	
		
			
				|  |  | +      /* Disable Interrupts */
 | 
	
		
			
				|  |  | +      HASH->IMR &= ~(HASH_IT_DINI);
 | 
	
		
			
				|  |  | +      /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +      __HAL_HASH_SET_NBVALIDBITS(inputcounter);
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +      if((inputcounter > 4) && (inputcounter%4))
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        inputcounter = (inputcounter+4-inputcounter%4);
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      else if ((inputcounter < 4) && (inputcounter != 0))
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        inputcounter = 4;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /* Write the Input block in the Data IN register */
 | 
	
		
			
				|  |  | +      for(buffercounter = 0; buffercounter < inputcounter/4; buffercounter++)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | +        inputaddr+=4;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /* Start the digest calculation */
 | 
	
		
			
				|  |  | +      __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +      /* Reset buffer counter */
 | 
	
		
			
				|  |  | +      hhash->HashInCount = 0;
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +      /* Call Input data transfer complete callback */
 | 
	
		
			
				|  |  | +      HAL_HASH_InCpltCallback(hhash);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Read the message digest */
 | 
	
		
			
				|  |  | -    HASH_GetDigest(hhash->pHashOutBuffPtr, HASH_DIGEST_LENGTH());
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -   /* Change the HASH state */
 | 
	
		
			
				|  |  | -   hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -   /* Process Unlock */
 | 
	
		
			
				|  |  | -   __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -   /* Return function status */
 | 
	
		
			
				|  |  | -   return HAL_OK;
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest.
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout value.
 | 
	
		
			
				|  |  | -  * @param  Algorithm: HASH algorithm.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in SHA1 mode then processes pInBuffer.
 | 
	
		
			
				|  |  | +  *         The digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed). 
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  | +  * @param  pOutBuffer: Pointer to the computed digest. Its size must be 20 bytes.
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HASH_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout, uint32_t Algorithm)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HASH_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  uint8_t *pInBuffer_tmp;  /* input data address, input parameter of HASH_WriteData()         */
 | 
	
		
			
				|  |  | -  uint32_t Size_tmp; /* input data size (in bytes), input parameter of HASH_WriteData() */
 | 
	
		
			
				|  |  | -  HAL_HASH_StateTypeDef State_tmp = hhash->State; 
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +  uint32_t inputaddr;
 | 
	
		
			
				|  |  | +  uint32_t outputaddr;
 | 
	
		
			
				|  |  | +  uint32_t buffercounter;
 | 
	
		
			
				|  |  | +  uint32_t inputcounter;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  |    
 | 
	
		
			
				|  |  | -  /* Initiate HASH processing in case of start or resumption */
 | 
	
		
			
				|  |  | -if((State_tmp == HAL_HASH_STATE_READY) || (State_tmp == HAL_HASH_STATE_SUSPENDED))
 | 
	
		
			
				|  |  | -  {  
 | 
	
		
			
				|  |  | -    /* Check input parameters */
 | 
	
		
			
				|  |  | -    if ((pInBuffer == NULL) || (Size == 0U) || (pOutBuffer == NULL))
 | 
	
		
			
				|  |  | +  if(hhash->State == HAL_HASH_STATE_READY)
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Change the HASH state */
 | 
	
		
			
				|  |  | +    hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    hhash->HashInCount = Size;
 | 
	
		
			
				|  |  | +    hhash->pHashInBuffPtr = pInBuffer;
 | 
	
		
			
				|  |  | +    hhash->pHashOutBuffPtr = pOutBuffer;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +    if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      return  HAL_ERROR;
 | 
	
		
			
				|  |  | +      /* Select the SHA1 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= HASH_ALGOSELECTION_SHA1;
 | 
	
		
			
				|  |  | +      /* Reset the HASH processor core, so that the HASH will be ready to compute 
 | 
	
		
			
				|  |  | +         the message digest of a new message */
 | 
	
		
			
				|  |  | +      HASH->CR |= HASH_CR_INIT;
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  |      
 | 
	
		
			
				|  |  | -    /* Process Locked */
 | 
	
		
			
				|  |  | -    __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +    /* Reset interrupt counter */
 | 
	
		
			
				|  |  | +    hhash->HashITCounter = 0;
 | 
	
		
			
				|  |  |      
 | 
	
		
			
				|  |  | -    /* Check if initialization phase has not been already performed */
 | 
	
		
			
				|  |  | -    if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | +    /* Set the phase */
 | 
	
		
			
				|  |  | +    hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Process Unlocked */
 | 
	
		
			
				|  |  | +    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Enable Interrupts */
 | 
	
		
			
				|  |  | +    HASH->IMR = (HASH_IT_DINI | HASH_IT_DCI);
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    /* Return function status */
 | 
	
		
			
				|  |  | +    return HAL_OK;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  if(__HAL_HASH_GET_FLAG(HASH_FLAG_DCIS))
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    outputaddr = (uint32_t)hhash->pHashOutBuffPtr;
 | 
	
		
			
				|  |  | +    /* Read the Output block from the Output FIFO */
 | 
	
		
			
				|  |  | +    *(uint32_t*)(outputaddr) = __REV(HASH->HR[0]);
 | 
	
		
			
				|  |  | +    outputaddr+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(outputaddr) = __REV(HASH->HR[1]);
 | 
	
		
			
				|  |  | +    outputaddr+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(outputaddr) = __REV(HASH->HR[2]);
 | 
	
		
			
				|  |  | +    outputaddr+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(outputaddr) = __REV(HASH->HR[3]);
 | 
	
		
			
				|  |  | +    outputaddr+=4;
 | 
	
		
			
				|  |  | +    *(uint32_t*)(outputaddr) = __REV(HASH->HR[4]);
 | 
	
		
			
				|  |  | +    if(hhash->HashInCount == 0)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | +      /* Disable Interrupts */
 | 
	
		
			
				|  |  | +      HASH->IMR = 0;
 | 
	
		
			
				|  |  |        /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      /* Select the HASH algorithm, clear HMAC mode and long key selection bit, reset the HASH processor core */
 | 
	
		
			
				|  |  | -      MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_CR_INIT);
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | -      __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | +      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +      /* Call digest computation complete callback */
 | 
	
		
			
				|  |  | +      HAL_HASH_DgstCpltCallback(hhash);
 | 
	
		
			
				|  |  |        
 | 
	
		
			
				|  |  | -      /* pInBuffer_tmp and Size_tmp are initialized to be used afterwards as
 | 
	
		
			
				|  |  | -      input parameters of HASH_WriteData() */
 | 
	
		
			
				|  |  | -      pInBuffer_tmp = pInBuffer;   /* pInBuffer_tmp is set to the input data address */
 | 
	
		
			
				|  |  | -      Size_tmp = Size;             /* Size_tmp contains the input data size in bytes */
 | 
	
		
			
				|  |  | +      /* Process Unlocked */
 | 
	
		
			
				|  |  | +      __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  |        
 | 
	
		
			
				|  |  | -      /* Set the phase */
 | 
	
		
			
				|  |  | -      hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +      /* Return function status */
 | 
	
		
			
				|  |  | +      return HAL_OK;
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -    else if (hhash->Phase == HAL_HASH_PHASE_PROCESS)
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    if(hhash->HashInCount >= 68)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* if the IP has already been initialized, two cases are possible */
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      /* Process resumption time ... */
 | 
	
		
			
				|  |  | -      if (hhash->State == HAL_HASH_STATE_SUSPENDED)
 | 
	
		
			
				|  |  | +      inputaddr = (uint32_t)hhash->pHashInBuffPtr;
 | 
	
		
			
				|  |  | +      /* Write the Input block in the Data IN register */
 | 
	
		
			
				|  |  | +      for(buffercounter = 0; buffercounter < 64; buffercounter+=4)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | +        inputaddr+=4;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      if(hhash->HashITCounter == 0)
 | 
	
		
			
				|  |  |        {
 | 
	
		
			
				|  |  | -        /* Since this is resumption, pInBuffer_tmp and Size_tmp are not set
 | 
	
		
			
				|  |  | -        to the API input parameters but to those saved beforehand by HASH_WriteData()
 | 
	
		
			
				|  |  | -        when the processing was suspended */
 | 
	
		
			
				|  |  | -        pInBuffer_tmp = hhash->pHashInBuffPtr;
 | 
	
		
			
				|  |  | -        Size_tmp = hhash->HashInCount;
 | 
	
		
			
				|  |  | +        HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | +        if(hhash->HashInCount >= 68)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          /* Decrement buffer counter */
 | 
	
		
			
				|  |  | +          hhash->HashInCount -= 68;
 | 
	
		
			
				|  |  | +          hhash->pHashInBuffPtr+= 68;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        else
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +          hhash->HashInCount = 0;
 | 
	
		
			
				|  |  | +          hhash->pHashInBuffPtr+= hhash->HashInCount;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        /* Set Interrupt counter */
 | 
	
		
			
				|  |  | +        hhash->HashITCounter = 1;
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  | -      /* ... or multi-buffer HASH processing end */
 | 
	
		
			
				|  |  |        else
 | 
	
		
			
				|  |  |        {
 | 
	
		
			
				|  |  | -        /* pInBuffer_tmp and Size_tmp are initialized to be used afterwards as
 | 
	
		
			
				|  |  | -        input parameters of HASH_WriteData() */
 | 
	
		
			
				|  |  | -        pInBuffer_tmp = pInBuffer;
 | 
	
		
			
				|  |  | -        Size_tmp = Size;
 | 
	
		
			
				|  |  | -        /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | -        __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | +        /* Decrement buffer counter */
 | 
	
		
			
				|  |  | +        hhash->HashInCount -= 64;
 | 
	
		
			
				|  |  | +        hhash->pHashInBuffPtr+= 64;
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  |      else
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Phase error */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      /* Process Unlocked */
 | 
	
		
			
				|  |  | -      __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      /* Return function status */
 | 
	
		
			
				|  |  | -      return HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    /* Write input buffer in Data register */
 | 
	
		
			
				|  |  | -    hhash->Status = HASH_WriteData(hhash, pInBuffer_tmp, Size_tmp);
 | 
	
		
			
				|  |  | -    if (hhash->Status != HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      return hhash->Status;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    /* If the process has not been suspended, carry on to digest calculation */
 | 
	
		
			
				|  |  | -    if (hhash->State != HAL_HASH_STATE_SUSPENDED)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Start the Digest calculation */
 | 
	
		
			
				|  |  | -      __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +      /* Get the buffer address */
 | 
	
		
			
				|  |  | +      inputaddr = (uint32_t)hhash->pHashInBuffPtr;
 | 
	
		
			
				|  |  | +      /* Get the buffer counter */
 | 
	
		
			
				|  |  | +      inputcounter = hhash->HashInCount;
 | 
	
		
			
				|  |  | +      /* Disable Interrupts */
 | 
	
		
			
				|  |  | +      HASH->IMR &= ~(HASH_IT_DINI);
 | 
	
		
			
				|  |  | +      /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +      __HAL_HASH_SET_NBVALIDBITS(inputcounter);
 | 
	
		
			
				|  |  |        
 | 
	
		
			
				|  |  | -      /* Wait for DCIS flag to be set */
 | 
	
		
			
				|  |  | -      if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_DCIS, RESET, Timeout) != HAL_OK)
 | 
	
		
			
				|  |  | +      if((inputcounter > 4) && (inputcounter%4))
 | 
	
		
			
				|  |  |        {
 | 
	
		
			
				|  |  | -        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | +        inputcounter = (inputcounter+4-inputcounter%4);
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      /* Read the message digest */
 | 
	
		
			
				|  |  | -      HASH_GetDigest(pOutBuffer, HASH_DIGEST_LENGTH());
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      
 | 
	
		
			
				|  |  | +      else if ((inputcounter < 4) && (inputcounter != 0))
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        inputcounter = 4;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /* Write the Input block in the Data IN register */
 | 
	
		
			
				|  |  | +      for(buffercounter = 0; buffercounter < inputcounter/4; buffercounter++)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        HASH->DIN = *(uint32_t*)inputaddr;
 | 
	
		
			
				|  |  | +        inputaddr+=4;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +      /* Start the digest calculation */
 | 
	
		
			
				|  |  | +      __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +      /* Reset buffer counter */
 | 
	
		
			
				|  |  | +      hhash->HashInCount = 0;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +      /* Call Input data transfer complete callback */
 | 
	
		
			
				|  |  | +      HAL_HASH_InCpltCallback(hhash);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    /* Process Unlocked */
 | 
	
		
			
				|  |  | -    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    return HAL_OK;
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | +  * @brief This function handles HASH interrupt request.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @retval None
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  | +void HAL_HASH_IRQHandler(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +  switch(HASH->CR & HASH_CR_ALGO)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    return HAL_BUSY;
 | 
	
		
			
				|  |  | +    case HASH_ALGOSELECTION_MD5:
 | 
	
		
			
				|  |  | +       HAL_HASH_MD5_Start_IT(hhash, NULL, 0, NULL);
 | 
	
		
			
				|  |  | +    break;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    case HASH_ALGOSELECTION_SHA1:
 | 
	
		
			
				|  |  | +      HAL_HASH_SHA1_Start_IT(hhash, NULL, 0, NULL);
 | 
	
		
			
				|  |  | +    break;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +    default:
 | 
	
		
			
				|  |  | +    break;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | +  * @}
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/** @defgroup HASH_Exported_Functions_Group4 HASH processing functions using DMA mode
 | 
	
		
			
				|  |  | + *  @brief   processing functions using DMA mode. 
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | +@verbatim   
 | 
	
		
			
				|  |  | + ===============================================================================
 | 
	
		
			
				|  |  | +              ##### HASH processing using DMA mode functions #####
 | 
	
		
			
				|  |  | + ===============================================================================  
 | 
	
		
			
				|  |  | +    [..]  This section provides functions allowing to calculate in DMA mode
 | 
	
		
			
				|  |  | +          the hash value using one of the following algorithms:
 | 
	
		
			
				|  |  | +      (+) MD5
 | 
	
		
			
				|  |  | +      (+) SHA1
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +@endverbatim
 | 
	
		
			
				|  |  | +  * @{
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  If not already done, initialize the HASH peripheral then
 | 
	
		
			
				|  |  | -  *         processes pInBuffer.
 | 
	
		
			
				|  |  | -  * @note   Field hhash->Phase of HASH handle is tested to check whether or not
 | 
	
		
			
				|  |  | -  *         the IP has already been initialized.
 | 
	
		
			
				|  |  | -  * @note   The input buffer size (in bytes) must be a multiple of 4 otherwise, the
 | 
	
		
			
				|  |  | -  *         HASH digest computation is corrupted.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes, must be a multiple of 4.
 | 
	
		
			
				|  |  | -  * @param  Algorithm: HASH algorithm.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in MD5 mode then enables DMA to
 | 
	
		
			
				|  |  | +            control data transfer. Use HAL_HASH_MD5_Finish() to get the digest.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HASH_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HASH_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  uint8_t *pInBuffer_tmp;   /* input data address, input parameter of HASH_WriteData()         */
 | 
	
		
			
				|  |  | -  uint32_t Size_tmp;  /* input data size (in bytes), input parameter of HASH_WriteData() */
 | 
	
		
			
				|  |  | -  HAL_HASH_StateTypeDef State_tmp = hhash->State; 
 | 
	
		
			
				|  |  | +  uint32_t inputaddr  = (uint32_t)pInBuffer;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Select the MD5 mode and reset the HASH processor core, so that the HASH will be ready to compute 
 | 
	
		
			
				|  |  | +       the message digest of a new message */
 | 
	
		
			
				|  |  | +    HASH->CR |= HASH_ALGOSELECTION_MD5 | HASH_CR_INIT;
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  |     
 | 
	
		
			
				|  |  | -  /* Make sure the input buffer size (in bytes) is a multiple of 4 */
 | 
	
		
			
				|  |  | -   assert_param(IS_HASH_POLLING_MULTIBUFFER_SIZE(Size));
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* Initiate HASH processing in case of start or resumption */
 | 
	
		
			
				|  |  | -if((State_tmp == HAL_HASH_STATE_READY) || (State_tmp == HAL_HASH_STATE_SUSPENDED))
 | 
	
		
			
				|  |  | -  { 
 | 
	
		
			
				|  |  | -    /* Check input parameters */
 | 
	
		
			
				|  |  | -    if ((pInBuffer == NULL) || (Size == 0U))
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      return  HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -     /* Process Locked */
 | 
	
		
			
				|  |  | -    __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* If resuming the HASH processing */
 | 
	
		
			
				|  |  | -    if (hhash->State == HAL_HASH_STATE_SUSPENDED)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +    
 | 
	
		
			
				|  |  | +  /* Set the HASH DMA transfer complete callback */
 | 
	
		
			
				|  |  | +  hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt;
 | 
	
		
			
				|  |  | +  /* Set the DMA error callback */
 | 
	
		
			
				|  |  | +  hhash->hdmain->XferErrorCallback = HASH_DMAError;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Enable the DMA In DMA Stream */
 | 
	
		
			
				|  |  | +  HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (Size%4 ? (Size+3)/4:Size/4));
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Enable DMA requests */
 | 
	
		
			
				|  |  | +  HASH->CR |= (HASH_CR_DMAE);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -      /* Since this is resumption, pInBuffer_tmp and Size_tmp are not set
 | 
	
		
			
				|  |  | -         to the API input parameters but to those saved beforehand by HASH_WriteData()
 | 
	
		
			
				|  |  | -         when the processing was suspended */
 | 
	
		
			
				|  |  | -      pInBuffer_tmp = hhash->pHashInBuffPtr;  /* pInBuffer_tmp is set to the input data address */
 | 
	
		
			
				|  |  | -      Size_tmp = hhash->HashInCount;          /* Size_tmp contains the input data size in bytes */
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | +  * @brief  Returns the computed digest in MD5 mode
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pOutBuffer: Pointer to the computed digest. Its size must be 16 bytes.
 | 
	
		
			
				|  |  | +  * @param  Timeout: Timeout value  
 | 
	
		
			
				|  |  | +  * @retval HAL status
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HASH_MD5_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +  uint32_t tickstart = 0;   
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change HASH peripheral state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    else
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS))
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Check for the Timeout */
 | 
	
		
			
				|  |  | +    if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* pInBuffer_tmp and Size_tmp are initialized to be used afterwards as
 | 
	
		
			
				|  |  | -         input parameters of HASH_WriteData() */
 | 
	
		
			
				|  |  | -      pInBuffer_tmp = pInBuffer;    /* pInBuffer_tmp is set to the input data address */
 | 
	
		
			
				|  |  | -      Size_tmp = Size;              /* Size_tmp contains the input data size in bytes */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Check if initialization phase has already be performed */
 | 
	
		
			
				|  |  | -      if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | +      if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
 | 
	
		
			
				|  |  |        {
 | 
	
		
			
				|  |  | -        /* Select the HASH algorithm, clear HMAC mode and long key selection bit, reset the HASH processor core */
 | 
	
		
			
				|  |  | -        MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_CR_INIT);
 | 
	
		
			
				|  |  | +        /* Change state */
 | 
	
		
			
				|  |  | +        hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        /* Process Unlocked */
 | 
	
		
			
				|  |  | +        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Set the phase */
 | 
	
		
			
				|  |  | -      hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Write input buffer in Data register */
 | 
	
		
			
				|  |  | -    hhash->Status = HASH_WriteData(hhash, pInBuffer_tmp, Size_tmp);
 | 
	
		
			
				|  |  | -    if (hhash->Status != HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      return hhash->Status;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* If the process has not been suspended, move the state to Ready */
 | 
	
		
			
				|  |  | -    if (hhash->State != HAL_HASH_STATE_SUSPENDED)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process Unlocked */
 | 
	
		
			
				|  |  | -    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    return HAL_OK;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    return HAL_BUSY;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Read the message digest */
 | 
	
		
			
				|  |  | +  HASH_GetDigest(pOutBuffer, 16);
 | 
	
		
			
				|  |  | +      
 | 
	
		
			
				|  |  | +  /* Change HASH peripheral state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest in interruption mode.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest.
 | 
	
		
			
				|  |  | -  * @param  Algorithm: HASH algorithm.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in SHA1 mode then enables DMA to
 | 
	
		
			
				|  |  | +            control data transfer. Use HAL_HASH_SHA1_Finish() to get the digest.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HASH_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Algorithm)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HASH_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -   HAL_HASH_StateTypeDef State_tmp = hhash->State;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  /* If State is ready or suspended, start or resume IT-based HASH processing */
 | 
	
		
			
				|  |  | -if((State_tmp == HAL_HASH_STATE_READY) || (State_tmp == HAL_HASH_STATE_SUSPENDED))
 | 
	
		
			
				|  |  | -  {     
 | 
	
		
			
				|  |  | -    /* Check input parameters */
 | 
	
		
			
				|  |  | -    if ((pInBuffer == NULL) || (Size == 0U) || (pOutBuffer == NULL))
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      return  HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process Locked */
 | 
	
		
			
				|  |  | -    __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Change the HASH state */
 | 
	
		
			
				|  |  | -    hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Initialize IT counter */
 | 
	
		
			
				|  |  | -    hhash->HashITCounter = 1;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Check if initialization phase has already be performed */
 | 
	
		
			
				|  |  | -    if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Select the HASH algorithm, clear HMAC mode and long key selection bit, reset the HASH processor core */
 | 
	
		
			
				|  |  | -      MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_CR_INIT);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | -     __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      hhash->HashInCount = Size;               /* Counter used to keep track of number of data
 | 
	
		
			
				|  |  | -                                                  to be fed to the IP */
 | 
	
		
			
				|  |  | -      hhash->pHashInBuffPtr = pInBuffer;       /* Points at data which will be fed to the IP at
 | 
	
		
			
				|  |  | -                                                  the next interruption */
 | 
	
		
			
				|  |  | -     /* In case of suspension, hhash->HashInCount and hhash->pHashInBuffPtr contain
 | 
	
		
			
				|  |  | -        the information describing where the HASH process is stopped.
 | 
	
		
			
				|  |  | -        These variables are used later on to resume the HASH processing at the
 | 
	
		
			
				|  |  | -        correct location. */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      hhash->pHashOutBuffPtr = pOutBuffer;     /* Points at the computed digest */
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Set the phase */
 | 
	
		
			
				|  |  | -    hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process Unlock */
 | 
	
		
			
				|  |  | -    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Enable Interrupts */
 | 
	
		
			
				|  |  | -    __HAL_HASH_ENABLE_IT(HASH_IT_DINI|HASH_IT_DCI);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    return HAL_OK;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | +  uint32_t inputaddr  = (uint32_t)pInBuffer;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    return HAL_BUSY;
 | 
	
		
			
				|  |  | +    /* Select the SHA1 mode and reset the HASH processor core, so that the HASH will be ready to compute 
 | 
	
		
			
				|  |  | +       the message digest of a new message */
 | 
	
		
			
				|  |  | +    HASH->CR |= HASH_ALGOSELECTION_SHA1;
 | 
	
		
			
				|  |  | +    HASH->CR |= HASH_CR_INIT;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the HASH DMA transfer complete callback */
 | 
	
		
			
				|  |  | +  hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt;
 | 
	
		
			
				|  |  | +  /* Set the DMA error callback */
 | 
	
		
			
				|  |  | +  hhash->hdmain->XferErrorCallback = HASH_DMAError;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Enable the DMA In DMA Stream */
 | 
	
		
			
				|  |  | +  HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (Size%4 ? (Size+3)/4:Size/4));
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Enable DMA requests */
 | 
	
		
			
				|  |  | +  HASH->CR |= (HASH_CR_DMAE);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral then initiate a DMA transfer
 | 
	
		
			
				|  |  | -  *         to feed the input buffer to the IP.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  Algorithm: HASH algorithm.
 | 
	
		
			
				|  |  | +  * @brief  Returns the computed digest in SHA1 mode.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pOutBuffer: Pointer to the computed digest. Its size must be 20 bytes.  
 | 
	
		
			
				|  |  | +  * @param  Timeout: Timeout value    
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HASH_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HASH_SHA1_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  uint32_t inputaddr;
 | 
	
		
			
				|  |  | -  uint32_t inputSize;
 | 
	
		
			
				|  |  | -  HAL_StatusTypeDef status ;
 | 
	
		
			
				|  |  | -  HAL_HASH_StateTypeDef State_tmp = hhash->State;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -   /* If State is ready or suspended, start or resume polling-based HASH processing */
 | 
	
		
			
				|  |  | -if((State_tmp == HAL_HASH_STATE_READY) || (State_tmp == HAL_HASH_STATE_SUSPENDED))
 | 
	
		
			
				|  |  | -  { 
 | 
	
		
			
				|  |  | -    /* Check input parameters */
 | 
	
		
			
				|  |  | -    if ( (pInBuffer == NULL ) || (Size == 0U) ||
 | 
	
		
			
				|  |  | -    /* Check phase coherency. Phase must be
 | 
	
		
			
				|  |  | -       either READY (fresh start)
 | 
	
		
			
				|  |  | -       or PROCESS (multi-buffer HASH management) */
 | 
	
		
			
				|  |  | -       ((hhash->Phase != HAL_HASH_PHASE_READY) && (!(IS_HASH_PROCESSING(hhash)))))
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      return  HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process Locked */
 | 
	
		
			
				|  |  | -    __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* If not a resumption case */
 | 
	
		
			
				|  |  | -    if (hhash->State == HAL_HASH_STATE_READY)
 | 
	
		
			
				|  |  | +  uint32_t tickstart = 0;   
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change HASH peripheral state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS))
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Check for the Timeout */
 | 
	
		
			
				|  |  | +    if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Check if initialization phase has already been performed.
 | 
	
		
			
				|  |  | -         If Phase is already set to HAL_HASH_PHASE_PROCESS, this means the
 | 
	
		
			
				|  |  | -         API is processing a new input data message in case of multi-buffer HASH
 | 
	
		
			
				|  |  | -         computation. */
 | 
	
		
			
				|  |  | -      if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | +      if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
 | 
	
		
			
				|  |  |        {
 | 
	
		
			
				|  |  | -        /* Select the HASH algorithm, clear HMAC mode and long key selection bit, reset the HASH processor core */
 | 
	
		
			
				|  |  | -        MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_CR_INIT);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        /* Set the phase */
 | 
	
		
			
				|  |  | -        hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +        /* Change state */
 | 
	
		
			
				|  |  | +        hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        /* Process Unlocked */
 | 
	
		
			
				|  |  | +        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Read the message digest */
 | 
	
		
			
				|  |  | +  HASH_GetDigest(pOutBuffer, 20);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change HASH peripheral state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process UnLock */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -      /* Configure the Number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | -      __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -      inputaddr = (uint32_t)pInBuffer;     /* DMA transfer start address   */
 | 
	
		
			
				|  |  | -      inputSize = Size;                    /* DMA transfer size (in bytes) */
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | +  * @}
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/** @defgroup HASH_Exported_Functions_Group5 HASH-MAC (HMAC) processing functions using polling mode 
 | 
	
		
			
				|  |  | + *  @brief   HMAC processing functions using polling mode . 
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | +@verbatim   
 | 
	
		
			
				|  |  | + ===============================================================================
 | 
	
		
			
				|  |  | +              ##### HMAC processing using polling mode functions #####
 | 
	
		
			
				|  |  | + ===============================================================================  
 | 
	
		
			
				|  |  | +    [..]  This section provides functions allowing to calculate in polling mode
 | 
	
		
			
				|  |  | +          the HMAC value using one of the following algorithms:
 | 
	
		
			
				|  |  | +      (+) MD5
 | 
	
		
			
				|  |  | +      (+) SHA1
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -      /* In case of suspension request, save the starting parameters */
 | 
	
		
			
				|  |  | -      hhash->pHashInBuffPtr =  pInBuffer;  /* DMA transfer start address   */
 | 
	
		
			
				|  |  | -      hhash->HashInCount = Size;           /* DMA transfer size (in bytes) */
 | 
	
		
			
				|  |  | +@endverbatim
 | 
	
		
			
				|  |  | +  * @{
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in HMAC MD5 mode
 | 
	
		
			
				|  |  | +  *         then processes pInBuffer. The digest is available in pOutBuffer
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  | +  * @param  pOutBuffer: Pointer to the computed digest. Its size must be 20 bytes.
 | 
	
		
			
				|  |  | +  * @param  Timeout: Timeout value  
 | 
	
		
			
				|  |  | +  * @retval HAL status
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HMAC_MD5_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +  uint32_t tickstart = 0;   
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Check if key size is greater than 64 bytes */
 | 
	
		
			
				|  |  | +    if(hhash->Init.KeySize > 64)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +      /* Select the HMAC MD5 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= (HASH_ALGOSELECTION_MD5 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -    /* If resumption case */
 | 
	
		
			
				|  |  |      else
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Resumption case, inputaddr and inputSize are not set to the API input parameters
 | 
	
		
			
				|  |  | -         but to those saved beforehand by HAL_HASH_DMAFeed_ProcessSuspend() when the
 | 
	
		
			
				|  |  | -         processing was suspended */
 | 
	
		
			
				|  |  | -      inputaddr = (uint32_t)hhash->pHashInBuffPtr;  /* DMA transfer start address   */
 | 
	
		
			
				|  |  | -      inputSize = hhash->HashInCount;               /* DMA transfer size (in bytes) */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +      /* Select the HMAC MD5 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= (HASH_ALGOSELECTION_MD5 | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /************************** STEP 1 ******************************************/
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Start the digest calculation */
 | 
	
		
			
				|  |  | +  __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -    /* Set the HASH DMA transfert complete callback */
 | 
	
		
			
				|  |  | -    hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt;
 | 
	
		
			
				|  |  | -    /* Set the DMA error callback */
 | 
	
		
			
				|  |  | -    hhash->hdmain->XferErrorCallback = HASH_DMAError;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Store number of words already pushed to manage proper DMA processing suspension */
 | 
	
		
			
				|  |  | -    hhash->NbWordsAlreadyPushed = HASH_NBW_PUSHED();
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Enable the DMA In DMA Stream */
 | 
	
		
			
				|  |  | -    status = HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (((inputSize %4U)!=0U) ? ((inputSize+(4U-(inputSize %4U)))/4U):(inputSize/4U)));
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    /* Enable DMA requests */
 | 
	
		
			
				|  |  | -    SET_BIT(HASH->CR, HASH_CR_DMAE);
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    /* Process Unlock */
 | 
	
		
			
				|  |  | -    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    if (status != HAL_OK)
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY))
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Check for the Timeout */
 | 
	
		
			
				|  |  | +    if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Update HASH state machine to error */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_ERROR;      
 | 
	
		
			
				|  |  | +      if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        /* Change state */
 | 
	
		
			
				|  |  | +        hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        /* Process Unlocked */
 | 
	
		
			
				|  |  | +        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -    else
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  /************************** STEP 2 ******************************************/
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(pInBuffer, Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Start the digest calculation */
 | 
	
		
			
				|  |  | +  __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY))
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Check for the Timeout */
 | 
	
		
			
				|  |  | +    if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Change HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +      if((HAL_GetTick() - tickstart ) > Timeout)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        /* Change state */
 | 
	
		
			
				|  |  | +        hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        /* Process Unlocked */
 | 
	
		
			
				|  |  | +        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    return status;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | +  /************************** STEP 3 ******************************************/
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Start the digest calculation */
 | 
	
		
			
				|  |  | +  __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY))
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    return HAL_BUSY;
 | 
	
		
			
				|  |  | -  } 
 | 
	
		
			
				|  |  | +    /* Check for the Timeout */
 | 
	
		
			
				|  |  | +    if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +      if((HAL_GetTick() - tickstart ) > Timeout)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        /* Change state */
 | 
	
		
			
				|  |  | +        hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        /* Process Unlocked */
 | 
	
		
			
				|  |  | +        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Read the message digest */
 | 
	
		
			
				|  |  | +  HASH_GetDigest(pOutBuffer, 16);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Return the computed digest.
 | 
	
		
			
				|  |  | -  * @note   The API waits for DCIS to be set then reads the computed digest.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest.
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout value.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in HMAC SHA1 mode
 | 
	
		
			
				|  |  | +  *         then processes pInBuffer. The digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | +  * @param   Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  | +  * @param  pOutBuffer: Pointer to the computed digest. Its size must be 20 bytes.
 | 
	
		
			
				|  |  | +  * @param  Timeout: Timeout value  
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HASH_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HMAC_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  if(hhash->State == HAL_HASH_STATE_READY)
 | 
	
		
			
				|  |  | +  uint32_t tickstart = 0;   
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    /* Check parameter */
 | 
	
		
			
				|  |  | -    if (pOutBuffer == NULL)
 | 
	
		
			
				|  |  | +    /* Check if key size is greater than 64 bytes */
 | 
	
		
			
				|  |  | +    if(hhash->Init.KeySize > 64)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      return  HAL_ERROR;
 | 
	
		
			
				|  |  | +      /* Select the HMAC SHA1 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= (HASH_ALGOSELECTION_SHA1 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process Locked */
 | 
	
		
			
				|  |  | -    __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Change the HASH state to busy */
 | 
	
		
			
				|  |  | -    hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Wait for DCIS flag to be set */
 | 
	
		
			
				|  |  | -    if (HASH_WaitOnFlagUntilTimeout(hhash, HASH_FLAG_DCIS, RESET, Timeout) != HAL_OK)
 | 
	
		
			
				|  |  | +    else
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | +      /* Select the HMAC SHA1 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= (HASH_ALGOSELECTION_SHA1 | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Read the message digest */
 | 
	
		
			
				|  |  | -    HASH_GetDigest(pOutBuffer, HASH_DIGEST_LENGTH());
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Change the HASH state to ready */
 | 
	
		
			
				|  |  | -    hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process UnLock */
 | 
	
		
			
				|  |  | -    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    return HAL_OK;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /************************** STEP 1 ******************************************/
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Start the digest calculation */
 | 
	
		
			
				|  |  | +  __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY))
 | 
	
		
			
				|  |  |    {
 | 
	
		
			
				|  |  | -    return HAL_BUSY;
 | 
	
		
			
				|  |  | +    /* Check for the Timeout */
 | 
	
		
			
				|  |  | +    if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +      if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        /* Change state */
 | 
	
		
			
				|  |  | +        hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        /* Process Unlocked */
 | 
	
		
			
				|  |  | +        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -}
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -/**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in HMAC mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @note   Same key is used for the inner and the outer hash functions; pointer to key and
 | 
	
		
			
				|  |  | -  *         key size are respectively stored in hhash->Init.pKey and hhash->Init.KeySize.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest.
 | 
	
		
			
				|  |  | -  * @param  Timeout: Timeout value.
 | 
	
		
			
				|  |  | -  * @param  Algorithm: HASH algorithm.
 | 
	
		
			
				|  |  | -  * @retval HAL status
 | 
	
		
			
				|  |  | -  */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HMAC_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout, uint32_t Algorithm)
 | 
	
		
			
				|  |  | -{
 | 
	
		
			
				|  |  | -    HAL_HASH_StateTypeDef State_tmp = hhash->State; 
 | 
	
		
			
				|  |  | +  /************************** STEP 2 ******************************************/
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */  
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(Size);
 | 
	
		
			
				|  |  |    
 | 
	
		
			
				|  |  | -   /* If State is ready or suspended, start or resume polling-based HASH processing */
 | 
	
		
			
				|  |  | -if((State_tmp == HAL_HASH_STATE_READY) || (State_tmp == HAL_HASH_STATE_SUSPENDED))
 | 
	
		
			
				|  |  | -  { 
 | 
	
		
			
				|  |  | -    /* Check input parameters */
 | 
	
		
			
				|  |  | -    if ((pInBuffer == NULL) || (Size == 0U) || (hhash->Init.pKey == NULL) || (hhash->Init.KeySize == 0U) || (pOutBuffer == NULL))
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(pInBuffer, Size);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Start the digest calculation */
 | 
	
		
			
				|  |  | +  __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY))
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Check for the Timeout */
 | 
	
		
			
				|  |  | +    if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      return  HAL_ERROR;
 | 
	
		
			
				|  |  | +      if((HAL_GetTick() - tickstart ) > Timeout)
 | 
	
		
			
				|  |  | +      {
 | 
	
		
			
				|  |  | +        /* Change state */
 | 
	
		
			
				|  |  | +        hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        /* Process Unlocked */
 | 
	
		
			
				|  |  | +        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  | +      }
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  /************************** STEP 3 ******************************************/
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Write input buffer in data register */
 | 
	
		
			
				|  |  | +  HASH_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Start the digest calculation */
 | 
	
		
			
				|  |  | +  __HAL_HASH_START_DIGEST();
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get tick */
 | 
	
		
			
				|  |  | +  tickstart = HAL_GetTick();
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -    /* Process Locked */
 | 
	
		
			
				|  |  | -    __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Change the HASH state */
 | 
	
		
			
				|  |  | -    hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Check if initialization phase has already be performed */
 | 
	
		
			
				|  |  | -    if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | +  while(HAL_IS_BIT_SET(HASH->SR, HASH_FLAG_BUSY))
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Check for the Timeout */
 | 
	
		
			
				|  |  | +    if(Timeout != HAL_MAX_DELAY)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Check if key size is larger than 64 bytes, accordingly set LKEY and the other setting bits */
 | 
	
		
			
				|  |  | -      if(hhash->Init.KeySize > 64U)
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -      else
 | 
	
		
			
				|  |  | +      if((HAL_GetTick() - tickstart ) > Timeout)
 | 
	
		
			
				|  |  |        {
 | 
	
		
			
				|  |  | -        MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
 | 
	
		
			
				|  |  | +        /* Change state */
 | 
	
		
			
				|  |  | +        hhash->State = HAL_HASH_STATE_TIMEOUT;
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        /* Process Unlocked */
 | 
	
		
			
				|  |  | +        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +        
 | 
	
		
			
				|  |  | +        return HAL_TIMEOUT;
 | 
	
		
			
				|  |  |        }
 | 
	
		
			
				|  |  | -      /* Set the phase to Step 1 */
 | 
	
		
			
				|  |  | -      hhash->Phase = HAL_HASH_PHASE_HMAC_STEP_1;
 | 
	
		
			
				|  |  | -      /* Resort to hhash internal fields to feed the IP.
 | 
	
		
			
				|  |  | -         Parameters will be updated in case of suspension to contain the proper
 | 
	
		
			
				|  |  | -         information at resumption time. */
 | 
	
		
			
				|  |  | -      hhash->pHashOutBuffPtr  = pOutBuffer;            /* Output digest address                                              */
 | 
	
		
			
				|  |  | -      hhash->pHashInBuffPtr   = pInBuffer;             /* Input data address, HMAC_Processing input parameter for Step 2     */
 | 
	
		
			
				|  |  | -      hhash->HashInCount      = Size;                  /* Input data size, HMAC_Processing input parameter for Step 2        */
 | 
	
		
			
				|  |  | -      hhash->HashBuffSize     = Size;                  /* Store the input buffer size for the whole HMAC process             */
 | 
	
		
			
				|  |  | -      hhash->pHashKeyBuffPtr  = hhash->Init.pKey;      /* Key address, HMAC_Processing input parameter for Step 1 and Step 3 */
 | 
	
		
			
				|  |  | -      hhash->HashKeyCount     = hhash->Init.KeySize;   /* Key size, HMAC_Processing input parameter for Step 1 and Step 3    */
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Carry out HMAC processing */
 | 
	
		
			
				|  |  | -    return HMAC_Processing(hhash, Timeout);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    return HAL_BUSY;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | +  /* Read the message digest */
 | 
	
		
			
				|  |  | +  HASH_GetDigest(pOutBuffer, 20);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | +  * @}
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/** @defgroup HASH_Exported_Functions_Group6 HASH-MAC (HMAC) processing functions using DMA mode 
 | 
	
		
			
				|  |  | + *  @brief   HMAC processing functions using DMA mode . 
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | +@verbatim   
 | 
	
		
			
				|  |  | + ===============================================================================
 | 
	
		
			
				|  |  | +                ##### HMAC processing using DMA mode functions #####
 | 
	
		
			
				|  |  | + ===============================================================================  
 | 
	
		
			
				|  |  | +    [..]  This section provides functions allowing to calculate in DMA mode
 | 
	
		
			
				|  |  | +          the HMAC value using one of the following algorithms:
 | 
	
		
			
				|  |  | +      (+) MD5
 | 
	
		
			
				|  |  | +      (+) SHA1
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | +@endverbatim
 | 
	
		
			
				|  |  | +  * @{
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in HMAC mode, next process pInBuffer then
 | 
	
		
			
				|  |  | -  *         read the computed digest in interruption mode.
 | 
	
		
			
				|  |  | -  * @note   Digest is available in pOutBuffer.
 | 
	
		
			
				|  |  | -  * @note   Same key is used for the inner and the outer hash functions; pointer to key and
 | 
	
		
			
				|  |  | -  *         key size are respectively stored in hhash->Init.pKey and hhash->Init.KeySize.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  pOutBuffer: pointer to the computed digest.
 | 
	
		
			
				|  |  | -  * @param  Algorithm: HASH algorithm.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in HMAC MD5 mode
 | 
	
		
			
				|  |  | +  *         then enables DMA to control data transfer.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HMAC_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Algorithm)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HMAC_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -    HAL_HASH_StateTypeDef State_tmp = hhash->State; 
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -  /* If State is ready or suspended, start or resume IT-based HASH processing */
 | 
	
		
			
				|  |  | -if((State_tmp == HAL_HASH_STATE_READY) || (State_tmp == HAL_HASH_STATE_SUSPENDED))
 | 
	
		
			
				|  |  | -  { 
 | 
	
		
			
				|  |  | -    /* Check input parameters */
 | 
	
		
			
				|  |  | -    if ((pInBuffer == NULL) || (Size == 0U) || (hhash->Init.pKey == NULL) || (hhash->Init.KeySize == 0U) || (pOutBuffer == NULL))
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      return  HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process Locked */
 | 
	
		
			
				|  |  | -    __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Change the HASH state */
 | 
	
		
			
				|  |  | -    hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Initialize IT counter */
 | 
	
		
			
				|  |  | -    hhash->HashITCounter = 1;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Check if initialization phase has already be performed */
 | 
	
		
			
				|  |  | -    if (hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Check if key size is larger than 64 bytes, accordingly set LKEY and the other setting bits */
 | 
	
		
			
				|  |  | -      if(hhash->Init.KeySize > 64U)
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -      else
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Resort to hhash internal fields hhash->pHashInBuffPtr and hhash->HashInCount
 | 
	
		
			
				|  |  | -         to feed the IP whatever the HMAC step.
 | 
	
		
			
				|  |  | -         Lines below are set to start HMAC Step 1 processing where key is entered first. */
 | 
	
		
			
				|  |  | -      hhash->HashInCount     = hhash->Init.KeySize; /* Key size                      */
 | 
	
		
			
				|  |  | -      hhash->pHashInBuffPtr  = hhash->Init.pKey ;   /* Key address                   */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Store input and output parameters in handle fields to manage steps transition
 | 
	
		
			
				|  |  | -         or possible HMAC suspension/resumption */
 | 
	
		
			
				|  |  | -      hhash->pHashKeyBuffPtr = hhash->Init.pKey;    /* Key address                   */
 | 
	
		
			
				|  |  | -      hhash->pHashMsgBuffPtr = pInBuffer;           /* Input message address         */
 | 
	
		
			
				|  |  | -      hhash->HashBuffSize    = Size;                /* Input message size (in bytes) */
 | 
	
		
			
				|  |  | -      hhash->pHashOutBuffPtr = pOutBuffer;          /* Output digest address         */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Configure the number of valid bits in last word of the key */
 | 
	
		
			
				|  |  | -      __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Set the phase to Step 1 */
 | 
	
		
			
				|  |  | -      hhash->Phase = HAL_HASH_PHASE_HMAC_STEP_1;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    else if ((hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_1) || (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_3))
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Restart IT-based HASH processing after Step 1 or Step 3 suspension */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    else if (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_2)
 | 
	
		
			
				|  |  | +  uint32_t inputaddr  = 0;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +   /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Save buffer pointer and size in handle */
 | 
	
		
			
				|  |  | +  hhash->pHashInBuffPtr = pInBuffer;
 | 
	
		
			
				|  |  | +  hhash->HashBuffSize = Size;
 | 
	
		
			
				|  |  | +  hhash->HashInCount = 0;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Check if key size is greater than 64 bytes */
 | 
	
		
			
				|  |  | +    if(hhash->Init.KeySize > 64)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Restart IT-based HASH processing after Step 2 suspension */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +      /* Select the HMAC MD5 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= (HASH_ALGOSELECTION_MD5 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  |      else
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Error report as phase incorrect */
 | 
	
		
			
				|  |  | -      /* Process Unlock */
 | 
	
		
			
				|  |  | -      __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      return HAL_ERROR;
 | 
	
		
			
				|  |  | +      /* Select the HMAC MD5 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= (HASH_ALGOSELECTION_MD5 | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process Unlock */
 | 
	
		
			
				|  |  | -    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Enable Interrupts */
 | 
	
		
			
				|  |  | -    __HAL_HASH_ENABLE_IT(HASH_IT_DINI|HASH_IT_DCI);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    return HAL_OK;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    return HAL_BUSY;
 | 
	
		
			
				|  |  |    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get the key address */
 | 
	
		
			
				|  |  | +  inputaddr = (uint32_t)(hhash->Init.pKey);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the HASH DMA transfer complete callback */
 | 
	
		
			
				|  |  | +  hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt;
 | 
	
		
			
				|  |  | +  /* Set the DMA error callback */
 | 
	
		
			
				|  |  | +  hhash->hdmain->XferErrorCallback = HASH_DMAError;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Enable the DMA In DMA Stream */
 | 
	
		
			
				|  |  | +  HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (hhash->Init.KeySize%4 ? (hhash->Init.KeySize+3)/4:hhash->Init.KeySize/4));
 | 
	
		
			
				|  |  | +  /* Enable DMA requests */
 | 
	
		
			
				|  |  | +  HASH->CR |= (HASH_CR_DMAE);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  | -  * @brief  Initialize the HASH peripheral in HMAC mode then initiate the required
 | 
	
		
			
				|  |  | -  *         DMA transfers to feed the key and the input buffer to the IP.
 | 
	
		
			
				|  |  | -  * @note   Same key is used for the inner and the outer hash functions; pointer to key and
 | 
	
		
			
				|  |  | -  *         key size are respectively stored in hhash->Init.pKey and hhash->Init.KeySize.
 | 
	
		
			
				|  |  | -  * @note   In case of multi-buffer HMAC processing, the input buffer size (in bytes) must
 | 
	
		
			
				|  |  | -  *         be a multiple of 4 otherwise, the HASH digest computation is corrupted.
 | 
	
		
			
				|  |  | -  *         Only the length of the last buffer of the thread doesn't have to be a
 | 
	
		
			
				|  |  | -  *         multiple of 4.
 | 
	
		
			
				|  |  | -  * @param  hhash: HASH handle.
 | 
	
		
			
				|  |  | -  * @param  pInBuffer: pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | -  * @param  Size: length of the input buffer in bytes.
 | 
	
		
			
				|  |  | -  * @param  Algorithm: HASH algorithm.
 | 
	
		
			
				|  |  | +  * @brief  Initializes the HASH peripheral in HMAC SHA1 mode
 | 
	
		
			
				|  |  | +  *         then enables DMA to control data transfer.
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @param  pInBuffer: Pointer to the input buffer (buffer to be hashed).
 | 
	
		
			
				|  |  | +  * @param  Size: Length of the input buffer in bytes.
 | 
	
		
			
				|  |  | +  *          If the Size is not multiple of 64 bytes, the padding is managed by hardware.
 | 
	
		
			
				|  |  |    * @retval HAL status
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -HAL_StatusTypeDef HMAC_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm)
 | 
	
		
			
				|  |  | +HAL_StatusTypeDef HAL_HMAC_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
 | 
	
		
			
				|  |  |  {
 | 
	
		
			
				|  |  | -  uint32_t inputaddr;
 | 
	
		
			
				|  |  | -  uint32_t inputSize;
 | 
	
		
			
				|  |  | -  HAL_StatusTypeDef status ;
 | 
	
		
			
				|  |  | -  HAL_HASH_StateTypeDef State_tmp = hhash->State;  
 | 
	
		
			
				|  |  | -  /* If State is ready or suspended, start or resume DMA-based HASH processing */
 | 
	
		
			
				|  |  | -if((State_tmp == HAL_HASH_STATE_READY) || (State_tmp == HAL_HASH_STATE_SUSPENDED))
 | 
	
		
			
				|  |  | -  {   
 | 
	
		
			
				|  |  | -    /* Check input parameters */
 | 
	
		
			
				|  |  | -    if ((pInBuffer == NULL ) || (Size == 0U) || (hhash->Init.pKey == NULL ) || (hhash->Init.KeySize == 0U) ||
 | 
	
		
			
				|  |  | -   /* Check phase coherency. Phase must be
 | 
	
		
			
				|  |  | -       either READY (fresh start)
 | 
	
		
			
				|  |  | -       or one of HMAC PROCESS steps (multi-buffer HASH management) */
 | 
	
		
			
				|  |  | -       ((hhash->Phase != HAL_HASH_PHASE_READY) && (!(IS_HMAC_PROCESSING(hhash)))))
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -      return  HAL_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Process Locked */
 | 
	
		
			
				|  |  | -    __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* If not a case of resumption after suspension */
 | 
	
		
			
				|  |  | -    if (hhash->State == HAL_HASH_STATE_READY)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -    /* Check whether or not initialization phase has already be performed */
 | 
	
		
			
				|  |  | -    if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -      /* Check if key size is larger than 64 bytes, accordingly set LKEY and the other setting bits */
 | 
	
		
			
				|  |  | -      if(hhash->Init.KeySize > 64U)
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -      else
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        MODIFY_REG(HASH->CR, HASH_CR_LKEY|HASH_CR_ALGO|HASH_CR_MODE|HASH_CR_INIT, Algorithm | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -      /* Store input aparameters in handle fields to manage steps transition
 | 
	
		
			
				|  |  | -         or possible HMAC suspension/resumption */
 | 
	
		
			
				|  |  | -      hhash->HashInCount = hhash->Init.KeySize;   /* Initial size for first DMA transfer (key size)      */
 | 
	
		
			
				|  |  | -      hhash->pHashKeyBuffPtr = hhash->Init.pKey;  /* Key address                                         */
 | 
	
		
			
				|  |  | -      hhash->pHashInBuffPtr  = hhash->Init.pKey ; /* First address passed to DMA (key address at Step 1) */
 | 
	
		
			
				|  |  | -      hhash->pHashMsgBuffPtr = pInBuffer;         /* Input data address                                  */
 | 
	
		
			
				|  |  | -      hhash->HashBuffSize = Size;                 /* input data size (in bytes)                          */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Set DMA input parameters */
 | 
	
		
			
				|  |  | -      inputaddr = (uint32_t)(hhash->Init.pKey);   /* Address passed to DMA (start by entering Key message) */
 | 
	
		
			
				|  |  | -      inputSize = hhash->Init.KeySize;            /* Size for first DMA transfer (in bytes) */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Configure the number of valid bits in last word of the key */
 | 
	
		
			
				|  |  | -      __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Set the phase to Step 1 */
 | 
	
		
			
				|  |  | -      hhash->Phase = HAL_HASH_PHASE_HMAC_STEP_1;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -      else if (hhash->Phase == HAL_HASH_PHASE_HMAC_STEP_2)
 | 
	
		
			
				|  |  | +  uint32_t inputaddr  = 0;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Locked */
 | 
	
		
			
				|  |  | +  __HAL_LOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Change the HASH state */
 | 
	
		
			
				|  |  | +  hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Save buffer pointer and size in handle */
 | 
	
		
			
				|  |  | +  hhash->pHashInBuffPtr = pInBuffer;
 | 
	
		
			
				|  |  | +  hhash->HashBuffSize = Size;
 | 
	
		
			
				|  |  | +  hhash->HashInCount = 0;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Check if initialization phase has already been performed */
 | 
	
		
			
				|  |  | +  if(hhash->Phase == HAL_HASH_PHASE_READY)
 | 
	
		
			
				|  |  | +  {
 | 
	
		
			
				|  |  | +    /* Check if key size is greater than 64 bytes */
 | 
	
		
			
				|  |  | +    if(hhash->Init.KeySize > 64)
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -      /* Process a new input data message in case of multi-buffer HMAC processing
 | 
	
		
			
				|  |  | -        (this is not a resumption case) */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Save input parameters to be able to manage possible suspension/resumption */
 | 
	
		
			
				|  |  | -        hhash->HashInCount = Size;                /* Input message address       */
 | 
	
		
			
				|  |  | -        hhash->pHashInBuffPtr = pInBuffer;        /* Input message size in bytes */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Set DMA input parameters */
 | 
	
		
			
				|  |  | -        inputaddr = (uint32_t)pInBuffer;           /* Input message address       */
 | 
	
		
			
				|  |  | -        inputSize = Size;                          /* Input message size in bytes */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      if (hhash->DigestCalculationDisable == RESET)
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* This means this is the last buffer of the multi-buffer sequence: DCAL needs to be set. */
 | 
	
		
			
				|  |  | -        __HAL_HASH_SET_NBVALIDBITS(inputSize);
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -      else
 | 
	
		
			
				|  |  | -      {
 | 
	
		
			
				|  |  | -        /* Phase not aligned with handle READY state */
 | 
	
		
			
				|  |  | -        __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -        /* Return function status */
 | 
	
		
			
				|  |  | -        return HAL_ERROR;
 | 
	
		
			
				|  |  | -      }
 | 
	
		
			
				|  |  | +      /* Select the HMAC SHA1 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= (HASH_ALGOSELECTION_SHA1 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  |      else
 | 
	
		
			
				|  |  |      {
 | 
	
		
			
				|  |  | -       /* Resumption case (phase may be Step 1, 2 or 3) */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Change the HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_BUSY;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -      /* Set DMA input parameters at resumption location;
 | 
	
		
			
				|  |  | -         inputaddr and inputSize are not set to the API input parameters
 | 
	
		
			
				|  |  | -         but to those saved beforehand by HAL_HASH_DMAFeed_ProcessSuspend() when the
 | 
	
		
			
				|  |  | -         processing was suspended. */
 | 
	
		
			
				|  |  | -      inputaddr = (uint32_t)(hhash->pHashInBuffPtr);  /* Input message address       */
 | 
	
		
			
				|  |  | -      inputSize = hhash->HashInCount;                 /* Input message size in bytes */
 | 
	
		
			
				|  |  | +      /* Select the HMAC SHA1 mode */
 | 
	
		
			
				|  |  | +      HASH->CR |= (HASH_ALGOSELECTION_SHA1 | HASH_ALGOMODE_HMAC | HASH_CR_INIT);
 | 
	
		
			
				|  |  |      }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the phase */
 | 
	
		
			
				|  |  | +  hhash->Phase = HAL_HASH_PHASE_PROCESS;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Configure the number of valid bits in last word of the message */
 | 
	
		
			
				|  |  | +  __HAL_HASH_SET_NBVALIDBITS(hhash->Init.KeySize);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Get the key address */
 | 
	
		
			
				|  |  | +  inputaddr = (uint32_t)(hhash->Init.pKey);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Set the HASH DMA transfer complete callback */
 | 
	
		
			
				|  |  | +  hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt;
 | 
	
		
			
				|  |  | +  /* Set the DMA error callback */
 | 
	
		
			
				|  |  | +  hhash->hdmain->XferErrorCallback = HASH_DMAError;
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Enable the DMA In DMA Stream */
 | 
	
		
			
				|  |  | +  HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (hhash->Init.KeySize%4 ? (hhash->Init.KeySize+3)/4:hhash->Init.KeySize/4));
 | 
	
		
			
				|  |  | +  /* Enable DMA requests */
 | 
	
		
			
				|  |  | +  HASH->CR |= (HASH_CR_DMAE);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Process Unlocked */
 | 
	
		
			
				|  |  | +  __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | +  
 | 
	
		
			
				|  |  | +  /* Return function status */
 | 
	
		
			
				|  |  | +  return HAL_OK;
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | +  * @}
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -    /* Set the HASH DMA transfert complete callback */
 | 
	
		
			
				|  |  | -    hhash->hdmain->XferCpltCallback = HASH_DMAXferCplt;
 | 
	
		
			
				|  |  | -    /* Set the DMA error callback */
 | 
	
		
			
				|  |  | -    hhash->hdmain->XferErrorCallback = HASH_DMAError;
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /* Store number of words already pushed to manage proper DMA processing suspension */
 | 
	
		
			
				|  |  | -    hhash->NbWordsAlreadyPushed = HASH_NBW_PUSHED();
 | 
	
		
			
				|  |  | +/** @defgroup HASH_Exported_Functions_Group7 Peripheral State functions 
 | 
	
		
			
				|  |  | + *  @brief   Peripheral State functions. 
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | +@verbatim   
 | 
	
		
			
				|  |  | + ===============================================================================
 | 
	
		
			
				|  |  | +                      ##### Peripheral State functions #####
 | 
	
		
			
				|  |  | + ===============================================================================  
 | 
	
		
			
				|  |  | +    [..]
 | 
	
		
			
				|  |  | +    This subsection permits to get in run-time the status of the peripheral.
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -    /* Enable the DMA In DMA Stream */
 | 
	
		
			
				|  |  | -    status = HAL_DMA_Start_IT(hhash->hdmain, inputaddr, (uint32_t)&HASH->DIN, (((inputSize %4U)!=0U) ? ((inputSize+(4U-(inputSize %4U)))/4U):(inputSize/4U)));
 | 
	
		
			
				|  |  | -    /* Enable DMA requests */
 | 
	
		
			
				|  |  | -    SET_BIT(HASH->CR, HASH_CR_DMAE);
 | 
	
		
			
				|  |  | +@endverbatim
 | 
	
		
			
				|  |  | +  * @{
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -    /* Process Unlocked */
 | 
	
		
			
				|  |  | -    __HAL_UNLOCK(hhash);
 | 
	
		
			
				|  |  | -    
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    if (status != HAL_OK)
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Update HASH state machine to error */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_ERROR;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    else
 | 
	
		
			
				|  |  | -    {
 | 
	
		
			
				|  |  | -      /* Change HASH state */
 | 
	
		
			
				|  |  | -      hhash->State = HAL_HASH_STATE_READY;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -    /* Return function status */
 | 
	
		
			
				|  |  | -    return status; 
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | -  else
 | 
	
		
			
				|  |  | -  {
 | 
	
		
			
				|  |  | -    return HAL_BUSY;
 | 
	
		
			
				|  |  | -  }
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | +  * @brief return the HASH state
 | 
	
		
			
				|  |  | +  * @param  hhash: pointer to a HASH_HandleTypeDef structure that contains
 | 
	
		
			
				|  |  | +  *         the configuration information for HASH module
 | 
	
		
			
				|  |  | +  * @retval HAL state
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  | +HAL_HASH_STATETypeDef HAL_HASH_GetState(HASH_HandleTypeDef *hhash)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +  return hhash->State;
 | 
	
		
			
				|  |  |  }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  |    * @}
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -#endif /* HAL_HASH_MODULE_ENABLED */
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  |    * @}
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  | -#endif /*  HASH*/
 | 
	
		
			
				|  |  | +#endif /* STM32F215xx || STM32F217xx */
 | 
	
		
			
				|  |  | +#endif /* HAL_HASH_MODULE_ENABLED */
 | 
	
		
			
				|  |  |  /**
 | 
	
		
			
				|  |  |    * @}
 | 
	
		
			
				|  |  |    */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | +/**
 | 
	
		
			
				|  |  | +  * @}
 | 
	
		
			
				|  |  | +  */
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 |