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Diff: targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_hal_hash_ex.c
- Revision:
- 532:fe11edbda85c
- Parent:
- 441:d2c15dda23c1
- Child:
- 613:bc40b8d2aec4
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_hal_hash_ex.c Thu Apr 30 13:00:08 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_hal_hash_ex.c Thu Apr 30 13:45:11 2015 +0100
@@ -2,8 +2,8 @@
******************************************************************************
* @file stm32f4xx_hal_hash_ex.c
* @author MCD Application Team
- * @version V1.1.0
- * @date 19-June-2014
+ * @version V1.3.0
+ * @date 09-March-2015
* @brief HASH HAL Extension module driver.
* This file provides firmware functions to manage the following
* functionalities of HASH peripheral:
@@ -17,7 +17,7 @@
[..]
The HASH HAL driver can be used as follows:
(#)Initialize the HASH low level resources by implementing the HAL_HASH_MspInit():
- (##) Enable the HASH interface clock using __HASH_CLK_ENABLE()
+ (##) Enable the HASH interface clock using __HAL_RCC_HASH_CLK_ENABLE()
(##) In case of using processing APIs based on interrupts (e.g. HAL_HMACEx_SHA224_Start())
(+++) Configure the HASH interrupt priority using HAL_NVIC_SetPriority()
(+++) Enable the HASH IRQ handler using HAL_NVIC_EnableIRQ()
@@ -65,7 +65,7 @@
******************************************************************************
* @attention
*
- * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+ * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
@@ -99,7 +99,7 @@
* @{
*/
-/** @defgroup HASHEx
+/** @defgroup HASHEx HASHEx
* @brief HASH Extension HAL module driver.
* @{
*/
@@ -113,1310 +113,24 @@
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
+/** @addtogroup HASHEx_Private_Functions
+ * @{
+ */
static void HASHEx_DMAXferCplt(DMA_HandleTypeDef *hdma);
static void HASHEx_WriteData(uint8_t *pInBuffer, uint32_t Size);
static void HASHEx_GetDigest(uint8_t *pMsgDigest, uint8_t Size);
static void HASHEx_DMAError(DMA_HandleTypeDef *hdma);
-
-/* Private functions ---------------------------------------------------------*/
-
-/** @defgroup HASHEx_Private_Functions
- * @{
- */
-
-/** @defgroup HASHEx_Group1 HASH processing functions
- * @brief processing functions using polling mode
- *
-@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:
- (+) SHA224
- (+) SHA256
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Initializes the HASH peripheral in SHA224 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 28 bytes.
- * @param Timeout: Specify Timeout value
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_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)
- {
- /* Select the SHA224 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_SHA224 | 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 */
- HASHEx_WriteData(pInBuffer, Size);
-
- /* Start the digest calculation */
- __HAL_HASH_START_DIGEST();
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
- while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
- }
- }
- }
-
- /* Read the message digest */
- HASHEx_GetDigest(pOutBuffer, 28);
-
- /* Change the HASH state */
- hhash->State = HAL_HASH_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hhash);
-
- /* Return function status */
- return HAL_OK;
-}
-
-/**
- * @brief Initializes the HASH peripheral in SHA256 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 32 bytes.
- * @param Timeout: Specify Timeout value
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_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)
- {
- /* Select the SHA256 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_SHA256 | 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 */
- HASHEx_WriteData(pInBuffer, Size);
-
- /* Start the digest calculation */
- __HAL_HASH_START_DIGEST();
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
- while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
- }
- }
- }
-
- /* Read the message digest */
- HASHEx_GetDigest(pOutBuffer, 32);
-
- /* Change the HASH state */
- hhash->State = HAL_HASH_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hhash);
-
- /* Return function status */
- return HAL_OK;
-}
-
-
-/**
- * @brief Initializes the HASH peripheral in SHA224 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.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_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)
- {
- /* Select the SHA224 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_SHA224 | 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 */
- HASHEx_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 Initializes the HASH peripheral in SHA256 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.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_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)
- {
- /* Select the SHA256 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_SHA256 | 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 */
- HASHEx_WriteData(pInBuffer, Size);
-
- /* Change the HASH state */
- hhash->State = HAL_HASH_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hhash);
-
- /* Return function status */
- return HAL_OK;
-}
-
-
-/**
- * @}
- */
-
-/** @defgroup HASHEx_Group2 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:
- (+) SHA224
- (+) SHA256
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Initializes the HASH peripheral in HMAC SHA224 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 HAL_HMACEx_SHA224_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 SHA224 mode */
- HASH->CR |= (HASH_AlgoSelection_SHA224 | HASH_AlgoMode_HMAC | HASH_HMACKeyType_LongKey | HASH_CR_INIT);
- }
- else
- {
- /* Select the HMAC SHA224 mode */
- HASH->CR |= (HASH_AlgoSelection_SHA224 | 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 */
- HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
-
- /* Start the digest calculation */
- __HAL_HASH_START_DIGEST();
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
- while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
- }
- }
- }
- /************************** 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 */
- HASHEx_WriteData(pInBuffer, Size);
-
- /* Start the digest calculation */
- __HAL_HASH_START_DIGEST();
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
- while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
- }
- }
- }
- /************************** 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 */
- HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
-
- /* Start the digest calculation */
- __HAL_HASH_START_DIGEST();
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
- while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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 */
- HASHEx_GetDigest(pOutBuffer, 28);
-
- /* Change the HASH state */
- hhash->State = HAL_HASH_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hhash);
-
- /* Return function status */
- return HAL_OK;
-}
-
-/**
- * @brief Initializes the HASH peripheral in HMAC SHA256 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 HAL_HMACEx_SHA256_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 SHA256 mode */
- HASH->CR |= (HASH_AlgoSelection_SHA256 | HASH_AlgoMode_HMAC | HASH_HMACKeyType_LongKey);
- }
- else
- {
- /* Select the HMAC SHA256 mode */
- HASH->CR |= (HASH_AlgoSelection_SHA256 | HASH_AlgoMode_HMAC);
- }
- /* 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;
- }
-
- /* 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 */
- HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
-
- /* Start the digest calculation */
- __HAL_HASH_START_DIGEST();
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
- while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
- }
- }
- }
- /************************** 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 */
- HASHEx_WriteData(pInBuffer, Size);
-
- /* Start the digest calculation */
- __HAL_HASH_START_DIGEST();
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
- while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
- }
- }
- }
- /************************** 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 */
- HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
-
- /* Start the digest calculation */
- __HAL_HASH_START_DIGEST();
-
- /* Get tick */
- tickstart = HAL_GetTick();
-
- while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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 */
- HASHEx_GetDigest(pOutBuffer, 32);
-
- /* Change the HASH state */
- hhash->State = HAL_HASH_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hhash);
-
- /* Return function status */
- return HAL_OK;
-}
-
/**
* @}
*/
-
-/** @defgroup HASHEx_Group3 HASH processing functions using interrupt mode
- * @brief processing functions using interrupt mode.
- *
-@verbatim
- ===============================================================================
- ##### HASH processing using interrupt functions #####
- ===============================================================================
- [..] This section provides functions allowing to calculate in interrupt mode
- the hash value using one of the following algorithms:
- (+) SHA224
- (+) SHA256
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Initializes the HASH peripheral in SHA224 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 HAL_HASHEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
-{
- uint32_t inputaddr;
- uint32_t buffercounter;
- uint32_t inputcounter;
- /* Process Locked */
- __HAL_LOCK(hhash);
-
- if(hhash->HashITCounter == 0)
- {
- hhash->HashITCounter = 1;
- }
- else
- {
- hhash->HashITCounter = 0;
- }
- 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)
- {
- /* Select the SHA224 mode */
- HASH->CR |= HASH_AlgoSelection_SHA224;
- /* 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;
- }
-
- /* 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))
- {
- /* Read the message digest */
- HASHEx_GetDigest(hhash->pHashOutBuffPtr, 28);
- 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);
- }
- }
- if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
- {
- if(hhash->HashInCount > 64)
- {
- 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;
- if(hhash->HashInCount >= 68)
- {
- /* Decrement buffer counter */
- hhash->HashInCount -= 68;
- hhash->pHashInBuffPtr+= 68;
- }
- else
- {
- hhash->HashInCount -= 64;
- }
- }
- else
- {
- /* Decrement buffer counter */
- hhash->HashInCount -= 64;
- hhash->pHashInBuffPtr+= 64;
- }
- }
- else
- {
- /* 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);
- }
-
- /* 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;
-}
-
-
-/**
- * @brief Initializes the HASH peripheral in SHA256 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 HAL_HASHEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
-{
- uint32_t inputaddr;
- uint32_t buffercounter;
- uint32_t inputcounter;
-
- /* Process Locked */
- __HAL_LOCK(hhash);
-
- if(hhash->HashITCounter == 0)
- {
- hhash->HashITCounter = 1;
- }
- else
- {
- hhash->HashITCounter = 0;
- }
- 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)
- {
- /* Select the SHA256 mode */
- HASH->CR |= HASH_AlgoSelection_SHA256;
- /* 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;
- }
-
- /* 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))
- {
- /* Read the message digest */
- HASHEx_GetDigest(hhash->pHashOutBuffPtr, 32);
- 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);
- }
- }
- if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
- {
- if(hhash->HashInCount > 64)
- {
- 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;
-
- if(hhash->HashInCount >= 68)
- {
- /* Decrement buffer counter */
- hhash->HashInCount -= 68;
- hhash->pHashInBuffPtr+= 68;
- }
- else
- {
- hhash->HashInCount -= 64;
- }
- }
- else
- {
- /* Decrement buffer counter */
- hhash->HashInCount -= 64;
- hhash->pHashInBuffPtr+= 64;
- }
- }
- else
- {
- /* 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);
- }
-
- /* 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;
-}
-
-/**
- * @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_HASHEx_IRQHandler(HASH_HandleTypeDef *hhash)
-{
- switch(HASH->CR & HASH_CR_ALGO)
- {
-
- case HASH_AlgoSelection_SHA224:
- HAL_HASHEx_SHA224_Start_IT(hhash, HAL_NULL, 0, HAL_NULL);
- break;
-
- case HASH_AlgoSelection_SHA256:
- HAL_HASHEx_SHA256_Start_IT(hhash, HAL_NULL, 0, HAL_NULL);
- break;
-
- default:
- break;
- }
-}
-
-/**
- * @}
- */
-
-/** @defgroup HASHEx_Group4 HASH processing functions using DMA mode
- * @brief processing functions using DMA mode.
- *
-@verbatim
- ===============================================================================
- ##### HASH processing using DMA functions #####
- ===============================================================================
- [..] This section provides functions allowing to calculate in DMA mode
- the hash value using one of the following algorithms:
- (+) SHA224
- (+) SHA256
-
-@endverbatim
- * @{
- */
-
+/* Private functions ---------------------------------------------------------*/
-/**
- * @brief Initializes the HASH peripheral in SHA224 mode then enables DMA to
- control data transfer. Use HAL_HASH_SHA224_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 HAL_HASHEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
-{
- 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 SHA224 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_SHA224 | 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 = HASHEx_DMAXferCplt;
- /* Set the DMA error callback */
- hhash->hdmain->XferErrorCallback = HASHEx_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 Returns the computed digest in SHA224
- * @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 28 bytes.
- * @param Timeout: Timeout value
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_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();
-
- while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS))
- {
- /* 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;
- }
- }
- }
-
- /* Read the message digest */
- HASHEx_GetDigest(pOutBuffer, 28);
-
- /* Change HASH peripheral state */
- hhash->State = HAL_HASH_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hhash);
-
- /* Return function status */
- return HAL_OK;
-}
-
-/**
- * @brief Initializes the HASH peripheral in SHA256 mode then enables DMA to
- control data transfer. Use HAL_HASH_SHA256_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 HAL_HASHEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
-{
- 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 SHA256 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_SHA256 | 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 = HASHEx_DMAXferCplt;
- /* Set the DMA error callback */
- hhash->hdmain->XferErrorCallback = HASHEx_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 UnLock */
- __HAL_UNLOCK(hhash);
-
- /* Return function status */
- return HAL_OK;
-}
-
-/**
- * @brief Returns the computed digest in SHA256.
- * @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 32 bytes.
- * @param Timeout: Timeout value
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_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();
-
- while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS))
- {
- /* 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;
- }
- }
- }
-
- /* Read the message digest */
- HASHEx_GetDigest(pOutBuffer, 32);
-
- /* Change HASH peripheral state */
- hhash->State = HAL_HASH_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(hhash);
-
- /* Return function status */
- return HAL_OK;
-}
-
-
-/**
- * @}
- */
-/** @defgroup HASHEx_Group5 HMAC processing functions using DMA mode
- * @brief HMAC processing functions using DMA mode .
- *
-@verbatim
- ===============================================================================
- ##### HMAC processing using DMA functions #####
- ===============================================================================
- [..] This section provides functions allowing to calculate in DMA mode
- the HMAC value using one of the following algorithms:
- (+) SHA224
- (+) SHA256
-
-@endverbatim
+/** @addtogroup HASHEx_Private_Functions
* @{
*/
/**
- * @brief Initializes the HASH peripheral in HMAC SHA224 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 HAL_HMACEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
-{
- uint32_t inputaddr;
-
- /* 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)
- {
- /* Select the HMAC SHA224 mode */
- HASH->CR |= (HASH_AlgoSelection_SHA224 | HASH_AlgoMode_HMAC | HASH_HMACKeyType_LongKey | HASH_CR_INIT);
- }
- else
- {
- /* Select the HMAC SHA224 mode */
- HASH->CR |= (HASH_AlgoSelection_SHA224 | 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 = HASHEx_DMAXferCplt;
- /* Set the DMA error callback */
- hhash->hdmain->XferErrorCallback = HASHEx_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 Initializes the HASH peripheral in HMAC SHA256 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 HAL_HMACEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
-{
- uint32_t inputaddr;
-
- /* 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)
- {
- /* Select the HMAC SHA256 mode */
- HASH->CR |= (HASH_AlgoSelection_SHA256 | HASH_AlgoMode_HMAC | HASH_HMACKeyType_LongKey);
- }
- else
- {
- /* Select the HMAC SHA256 mode */
- HASH->CR |= (HASH_AlgoSelection_SHA256 | HASH_AlgoMode_HMAC);
- }
- /* 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;
- }
-
- /* 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 = HASHEx_DMAXferCplt;
- /* Set the DMA error callback */
- hhash->hdmain->XferErrorCallback = HASHEx_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 Writes the input buffer in data register.
* @param pInBuffer: Pointer to input buffer
* @param Size: The size of input buffer
@@ -1591,6 +305,1308 @@
HAL_HASH_ErrorCallback(hhash);
}
+ /**
+ * @}
+ */
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup HASHEx_Exported_Functions
+ * @{
+ */
+
+/** @defgroup HASHEx_Group1 HASH processing functions
+ * @brief processing functions using polling mode
+ *
+@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:
+ (+) SHA224
+ (+) SHA256
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initializes the HASH peripheral in SHA224 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 28 bytes.
+ * @param Timeout: Specify Timeout value
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_HASHEx_SHA224_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)
+ {
+ /* Select the SHA224 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_SHA224 | 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 */
+ HASHEx_WriteData(pInBuffer, Size);
+
+ /* Start the digest calculation */
+ __HAL_HASH_START_DIGEST();
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
+ }
+ }
+ }
+
+ /* Read the message digest */
+ HASHEx_GetDigest(pOutBuffer, 28);
+
+ /* Change the HASH state */
+ hhash->State = HAL_HASH_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hhash);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Initializes the HASH peripheral in SHA256 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 32 bytes.
+ * @param Timeout: Specify Timeout value
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_HASHEx_SHA256_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)
+ {
+ /* Select the SHA256 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_SHA256 | 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 */
+ HASHEx_WriteData(pInBuffer, Size);
+
+ /* Start the digest calculation */
+ __HAL_HASH_START_DIGEST();
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
+ }
+ }
+ }
+
+ /* Read the message digest */
+ HASHEx_GetDigest(pOutBuffer, 32);
+
+ /* Change the HASH state */
+ hhash->State = HAL_HASH_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hhash);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+
+/**
+ * @brief Initializes the HASH peripheral in SHA224 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.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_HASHEx_SHA224_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)
+ {
+ /* Select the SHA224 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_SHA224 | 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 */
+ HASHEx_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 Initializes the HASH peripheral in SHA256 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.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_HASHEx_SHA256_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)
+ {
+ /* Select the SHA256 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_SHA256 | 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 */
+ HASHEx_WriteData(pInBuffer, Size);
+
+ /* Change the HASH state */
+ hhash->State = HAL_HASH_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hhash);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+
+/**
+ * @}
+ */
+
+/** @defgroup HASHEx_Group2 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:
+ (+) SHA224
+ (+) SHA256
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initializes the HASH peripheral in HMAC SHA224 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_HMACEx_SHA224_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 SHA224 mode */
+ HASH->CR |= (HASH_ALGOSELECTION_SHA224 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
+ }
+ else
+ {
+ /* Select the HMAC SHA224 mode */
+ HASH->CR |= (HASH_ALGOSELECTION_SHA224 | 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 */
+ HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
+
+ /* Start the digest calculation */
+ __HAL_HASH_START_DIGEST();
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
+ }
+ }
+ }
+ /************************** 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 */
+ HASHEx_WriteData(pInBuffer, Size);
+
+ /* Start the digest calculation */
+ __HAL_HASH_START_DIGEST();
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
+ }
+ }
+ }
+ /************************** 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 */
+ HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
+
+ /* Start the digest calculation */
+ __HAL_HASH_START_DIGEST();
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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 */
+ HASHEx_GetDigest(pOutBuffer, 28);
+
+ /* Change the HASH state */
+ hhash->State = HAL_HASH_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hhash);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Initializes the HASH peripheral in HMAC SHA256 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_HMACEx_SHA256_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 SHA256 mode */
+ HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY);
+ }
+ else
+ {
+ /* Select the HMAC SHA256 mode */
+ HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC);
+ }
+ /* 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;
+ }
+
+ /* 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 */
+ HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
+
+ /* Start the digest calculation */
+ __HAL_HASH_START_DIGEST();
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
+ }
+ }
+ }
+ /************************** 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 */
+ HASHEx_WriteData(pInBuffer, Size);
+
+ /* Start the digest calculation */
+ __HAL_HASH_START_DIGEST();
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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;
+ }
+ }
+ }
+ /************************** 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 */
+ HASHEx_WriteData(hhash->Init.pKey, hhash->Init.KeySize);
+
+ /* Start the digest calculation */
+ __HAL_HASH_START_DIGEST();
+
+ /* Get tick */
+ tickstart = HAL_GetTick();
+
+ while((HASH->SR & HASH_FLAG_BUSY) == HASH_FLAG_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 */
+ HASHEx_GetDigest(pOutBuffer, 32);
+
+ /* Change the HASH state */
+ hhash->State = HAL_HASH_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hhash);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup HASHEx_Group3 HASH processing functions using interrupt mode
+ * @brief processing functions using interrupt mode.
+ *
+@verbatim
+ ===============================================================================
+ ##### HASH processing using interrupt functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to calculate in interrupt mode
+ the hash value using one of the following algorithms:
+ (+) SHA224
+ (+) SHA256
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initializes the HASH peripheral in SHA224 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 HAL_HASHEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
+{
+ uint32_t inputaddr;
+ uint32_t buffercounter;
+ uint32_t inputcounter;
+
+ /* Process Locked */
+ __HAL_LOCK(hhash);
+
+ if(hhash->HashITCounter == 0)
+ {
+ hhash->HashITCounter = 1;
+ }
+ else
+ {
+ hhash->HashITCounter = 0;
+ }
+ 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)
+ {
+ /* Select the SHA224 mode */
+ HASH->CR |= HASH_ALGOSELECTION_SHA224;
+ /* 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;
+ }
+
+ /* 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))
+ {
+ /* Read the message digest */
+ HASHEx_GetDigest(hhash->pHashOutBuffPtr, 28);
+ 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);
+ }
+ }
+ if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
+ {
+ if(hhash->HashInCount > 64)
+ {
+ 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;
+ if(hhash->HashInCount >= 68)
+ {
+ /* Decrement buffer counter */
+ hhash->HashInCount -= 68;
+ hhash->pHashInBuffPtr+= 68;
+ }
+ else
+ {
+ hhash->HashInCount -= 64;
+ }
+ }
+ else
+ {
+ /* Decrement buffer counter */
+ hhash->HashInCount -= 64;
+ hhash->pHashInBuffPtr+= 64;
+ }
+ }
+ else
+ {
+ /* 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);
+ }
+
+ /* 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;
+}
+
+
+/**
+ * @brief Initializes the HASH peripheral in SHA256 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 HAL_HASHEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer)
+{
+ uint32_t inputaddr;
+ uint32_t buffercounter;
+ uint32_t inputcounter;
+
+ /* Process Locked */
+ __HAL_LOCK(hhash);
+
+ if(hhash->HashITCounter == 0)
+ {
+ hhash->HashITCounter = 1;
+ }
+ else
+ {
+ hhash->HashITCounter = 0;
+ }
+ 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)
+ {
+ /* Select the SHA256 mode */
+ HASH->CR |= HASH_ALGOSELECTION_SHA256;
+ /* 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;
+ }
+
+ /* 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))
+ {
+ /* Read the message digest */
+ HASHEx_GetDigest(hhash->pHashOutBuffPtr, 32);
+ 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);
+ }
+ }
+ if(__HAL_HASH_GET_FLAG(HASH_FLAG_DINIS))
+ {
+ if(hhash->HashInCount > 64)
+ {
+ 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;
+
+ if(hhash->HashInCount >= 68)
+ {
+ /* Decrement buffer counter */
+ hhash->HashInCount -= 68;
+ hhash->pHashInBuffPtr+= 68;
+ }
+ else
+ {
+ hhash->HashInCount -= 64;
+ }
+ }
+ else
+ {
+ /* Decrement buffer counter */
+ hhash->HashInCount -= 64;
+ hhash->pHashInBuffPtr+= 64;
+ }
+ }
+ else
+ {
+ /* 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);
+ }
+
+ /* 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;
+}
+
+/**
+ * @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_HASHEx_IRQHandler(HASH_HandleTypeDef *hhash)
+{
+ switch(HASH->CR & HASH_CR_ALGO)
+ {
+
+ case HASH_ALGOSELECTION_SHA224:
+ HAL_HASHEx_SHA224_Start_IT(hhash, HAL_NULL, 0, HAL_NULL);
+ break;
+
+ case HASH_ALGOSELECTION_SHA256:
+ HAL_HASHEx_SHA256_Start_IT(hhash, HAL_NULL, 0, HAL_NULL);
+ break;
+
+ default:
+ break;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup HASHEx_Group4 HASH processing functions using DMA mode
+ * @brief processing functions using DMA mode.
+ *
+@verbatim
+ ===============================================================================
+ ##### HASH processing using DMA functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to calculate in DMA mode
+ the hash value using one of the following algorithms:
+ (+) SHA224
+ (+) SHA256
+
+@endverbatim
+ * @{
+ */
+
+
+/**
+ * @brief Initializes the HASH peripheral in SHA224 mode then enables DMA to
+ control data transfer. Use HAL_HASH_SHA224_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 HAL_HASHEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+{
+ 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 SHA224 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_SHA224 | 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 = HASHEx_DMAXferCplt;
+ /* Set the DMA error callback */
+ hhash->hdmain->XferErrorCallback = HASHEx_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 Returns the computed digest in SHA224
+ * @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 28 bytes.
+ * @param Timeout: Timeout value
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_HASHEx_SHA224_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();
+
+ while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS))
+ {
+ /* 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;
+ }
+ }
+ }
+
+ /* Read the message digest */
+ HASHEx_GetDigest(pOutBuffer, 28);
+
+ /* Change HASH peripheral state */
+ hhash->State = HAL_HASH_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hhash);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Initializes the HASH peripheral in SHA256 mode then enables DMA to
+ control data transfer. Use HAL_HASH_SHA256_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 HAL_HASHEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+{
+ 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 SHA256 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_SHA256 | 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 = HASHEx_DMAXferCplt;
+ /* Set the DMA error callback */
+ hhash->hdmain->XferErrorCallback = HASHEx_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 UnLock */
+ __HAL_UNLOCK(hhash);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Returns the computed digest in SHA256.
+ * @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 32 bytes.
+ * @param Timeout: Timeout value
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_HASHEx_SHA256_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();
+
+ while(HAL_IS_BIT_CLR(HASH->SR, HASH_FLAG_DCIS))
+ {
+ /* 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;
+ }
+ }
+ }
+
+ /* Read the message digest */
+ HASHEx_GetDigest(pOutBuffer, 32);
+
+ /* Change HASH peripheral state */
+ hhash->State = HAL_HASH_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hhash);
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+
+/**
+ * @}
+ */
+/** @defgroup HASHEx_Group5 HMAC processing functions using DMA mode
+ * @brief HMAC processing functions using DMA mode .
+ *
+@verbatim
+ ===============================================================================
+ ##### HMAC processing using DMA functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to calculate in DMA mode
+ the HMAC value using one of the following algorithms:
+ (+) SHA224
+ (+) SHA256
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Initializes the HASH peripheral in HMAC SHA224 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 HAL_HMACEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+{
+ uint32_t inputaddr;
+
+ /* 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)
+ {
+ /* Select the HMAC SHA224 mode */
+ HASH->CR |= (HASH_ALGOSELECTION_SHA224 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY | HASH_CR_INIT);
+ }
+ else
+ {
+ /* Select the HMAC SHA224 mode */
+ HASH->CR |= (HASH_ALGOSELECTION_SHA224 | 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 = HASHEx_DMAXferCplt;
+ /* Set the DMA error callback */
+ hhash->hdmain->XferErrorCallback = HASHEx_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 Initializes the HASH peripheral in HMAC SHA256 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 HAL_HMACEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+{
+ uint32_t inputaddr;
+
+ /* 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)
+ {
+ /* Select the HMAC SHA256 mode */
+ HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC | HASH_HMAC_KEYTYPE_LONGKEY);
+ }
+ else
+ {
+ /* Select the HMAC SHA256 mode */
+ HASH->CR |= (HASH_ALGOSELECTION_SHA256 | HASH_ALGOMODE_HMAC);
+ }
+ /* 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;
+ }
+
+ /* 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 = HASHEx_DMAXferCplt;
+ /* Set the DMA error callback */
+ hhash->hdmain->XferErrorCallback = HASHEx_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;
+}
+
+/**
+ * @}
+ */
/**
* @}