text: /**
    ******************************************************************************
    * @file    stm32l4xx_hal_hash.h
    * @author  MCD Application Team
    * @version V1.7.1
    * @date    21-April-2017
    * @brief   Header file of HASH HAL module.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
    *
    * Redistribution and use in source and binary forms, with or without modification,
    * are permitted provided that the following conditions are met:
    *   1. Redistributions of source code must retain the above copyright notice,
    *      this list of conditions and the following disclaimer.
    *   2. Redistributions in binary form must reproduce the above copyright notice,
    *      this list of conditions and the following disclaimer in the documentation
    *      and/or other materials provided with the distribution.
    *   3. Neither the name of STMicroelectronics nor the names of its contributors
    *      may be used to endorse or promote products derived from this software
    *      without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    ******************************************************************************
    */ 
  
  /* Define to prevent recursive inclusion -------------------------------------*/
  #ifndef __STM32L4xx_HAL_HASH_H
  #define __STM32L4xx_HAL_HASH_H
  
  #ifdef __cplusplus
   extern "C" {
  #endif
  
  #if defined (STM32L4A6xx)
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32l4xx_hal_def.h"
  
  /** @addtogroup STM32L4xx_HAL_Driver
    * @{
    */
  
  /** @addtogroup HASH
    * @{
    */ 
  
  /* Exported types ------------------------------------------------------------*/ 
  /** @defgroup HASH_Exported_Types HASH Exported Types
    * @{
    */
  
  /** 
    * @brief  HASH Configuration Structure definition  
    */
  typedef struct
  {  
    uint32_t DataType;    /*!< 32-bit data, 16-bit data, 8-bit data or 1-bit data.
                                This parameter can be a value of @ref HASH_Data_Type. */
    
    uint32_t KeySize;     /*!< The key size is used only in HMAC operation. */
    
    uint8_t* pKey;        /*!< The key is used only in HMAC operation. */
      
  } HASH_InitTypeDef;
  
  /** 
    * @brief HAL State structures definition  
    */ 
  typedef enum
  {
    HAL_HASH_STATE_RESET             = 0x00,    /*!< Peripheral is not initialized            */
    HAL_HASH_STATE_READY             = 0x01,    /*!< Peripheral Initialized and ready for use */
    HAL_HASH_STATE_BUSY              = 0x02,    /*!< Processing (hashing) is ongoing          */
    HAL_HASH_STATE_TIMEOUT           = 0x06,    /*!< Timeout state                            */
    HAL_HASH_STATE_ERROR             = 0x07,    /*!< Error state                              */
    HAL_HASH_STATE_SUSPENDED         = 0x08     /*!< Suspended state                          */          
  }HAL_HASH_StateTypeDef;
  
  /** 
    * @brief HAL phase structures definition  
    */ 
  typedef enum
  {
    HAL_HASH_PHASE_READY             = 0x01,    /*!< HASH peripheral is ready to start                    */
    HAL_HASH_PHASE_PROCESS           = 0x02,    /*!< HASH peripheral is in HASH processing phase          */
    HAL_HASH_PHASE_HMAC_STEP_1       = 0x03,    /*!< HASH peripheral is in HMAC step 1 processing phase
                                                (step 1 consists in entering the inner hash function key) */
    HAL_HASH_PHASE_HMAC_STEP_2       = 0x04,    /*!< HASH peripheral is in HMAC step 2 processing phase
                                                (step 2 consists in entering the message text) */
    HAL_HASH_PHASE_HMAC_STEP_3       = 0x05     /*!< HASH peripheral is in HMAC step 3 processing phase
                                                (step 3 consists in entering the outer hash function key) */
  }HAL_HASH_PhaseTypeDef;
  
  /** 
    * @brief HAL HASH mode suspend definitions
    */
  typedef enum
  {
    HAL_HASH_SUSPEND_NONE            = 0x00,    /*!< HASH peripheral suspension not requested */
    HAL_HASH_SUSPEND                 = 0x01     /*!< HASH peripheral suspension is requested  */                                                                                                                                                                                                                                                                  
  }HAL_HASH_SuspendTypeDef;
  
  
  /** 
    * @brief  HASH Handle Structure definition  
    */ 
  typedef struct
  {   
    HASH_InitTypeDef           Init;             /*!< HASH required parameters */
    
    uint8_t                    *pHashInBuffPtr;  /*!< Pointer to input buffer */
  
    uint8_t                    *pHashOutBuffPtr; /*!< Pointer to output buffer (digest) */
      
    uint8_t                    *pHashKeyBuffPtr; /*!< Pointer to key buffer (HMAC only) */
  
    uint8_t                    *pHashMsgBuffPtr; /*!< Pointer to message buffer (HMAC only) */             
  
    uint32_t                   HashBuffSize;     /*!< Size of buffer to be processed */
  
    __IO uint32_t              HashInCount;      /*!< Counter of inputted data */
                              
    __IO uint32_t              HashITCounter;    /*!< Counter of issued interrupts */
     
    __IO uint32_t              HashKeyCount;     /*!< Counter for Key inputted data (HMAC only) */
        
    HAL_StatusTypeDef          Status;           /*!< HASH peripheral status   */
  
    HAL_HASH_PhaseTypeDef      Phase;            /*!< HASH peripheral phase   */
  
    DMA_HandleTypeDef          *hdmain;          /*!< HASH In DMA Handle parameters */
  
    HAL_LockTypeDef            Lock;             /*!< Locking object */
  
    __IO HAL_HASH_StateTypeDef State;            /*!< HASH peripheral state */
     
    HAL_HASH_SuspendTypeDef    SuspendRequest;   /*!< HASH peripheral suspension request flag */        
     
    FlagStatus                 DigestCalculationDisable;  /*!< Digest calculation phase skip (MDMAT bit control) for multi-buffers DMA-based HMAC computation */
    
    __IO uint32_t              NbWordsAlreadyPushed;      /*!< Numbers of words already pushed in FIFO before inputting new block */          
  
  } HASH_HandleTypeDef;
  
  /**
    * @}
    */
  
  /* Exported constants --------------------------------------------------------*/
  
  /** @defgroup HASH_Exported_Constants  HASH Exported Constants
    * @{
    */
  
  /** @defgroup HASH_Algo_Selection   HASH algorithm selection
    * @{
    */ 
  #define HASH_ALGOSELECTION_SHA1      ((uint32_t)0x0000) /*!< HASH function is SHA1   */
  #define HASH_ALGOSELECTION_SHA224    HASH_CR_ALGO_1     /*!< HASH function is SHA224 */
  #define HASH_ALGOSELECTION_SHA256    HASH_CR_ALGO       /*!< HASH function is SHA256 */
  #define HASH_ALGOSELECTION_MD5       HASH_CR_ALGO_0     /*!< HASH function is MD5    */
  /**
    * @}
    */
  
  /** @defgroup HASH_Algorithm_Mode   HASH algorithm mode
    * @{
    */ 
  #define HASH_ALGOMODE_HASH         ((uint32_t)0x00000000) /*!< Algorithm is HASH */ 
  #define HASH_ALGOMODE_HMAC         HASH_CR_MODE           /*!< Algorithm is HMAC */
  /**
    * @}
    */
  
  /** @defgroup HASH_Data_Type      HASH input data type
    * @{
    */  
  #define HASH_DATATYPE_32B          ((uint32_t)0x0000) /*!< 32-bit data. No swapping                     */
  #define HASH_DATATYPE_16B          HASH_CR_DATATYPE_0 /*!< 16-bit data. Each half word is swapped       */
  #define HASH_DATATYPE_8B           HASH_CR_DATATYPE_1 /*!< 8-bit data. All bytes are swapped            */
  #define HASH_DATATYPE_1B           HASH_CR_DATATYPE   /*!< 1-bit data. In the word all bits are swapped */
  /**
    * @}
    */
  
  /** @defgroup HASH_HMAC_Long_key_only_for_HMAC_mode   HMAC key length type
    * @{
    */ 
  #define HASH_HMAC_KEYTYPE_SHORTKEY      ((uint32_t)0x00000000) /*!< HMAC Key size is <= 64 bytes */
  #define HASH_HMAC_KEYTYPE_LONGKEY       HASH_CR_LKEY           /*!< HMAC Key size is > 64 bytes  */
  /**
    * @}
    */
  
  /** @defgroup HASH_flags_definition  HASH flags definitions
    * @{
    */  
  #define HASH_FLAG_DINIS            HASH_SR_DINIS  /*!< 16 locations are free in the DIN : a new block can be entered in the IP */
  #define HASH_FLAG_DCIS             HASH_SR_DCIS   /*!< Digest calculation complete                                             */
  #define HASH_FLAG_DMAS             HASH_SR_DMAS   /*!< DMA interface is enabled (DMAE=1) or a transfer is ongoing              */
  #define HASH_FLAG_BUSY             HASH_SR_BUSY   /*!< The hash core is Busy, processing a block of data                       */
  #define HASH_FLAG_DINNE            HASH_CR_DINNE  /*!< DIN not empty : the input buffer contains at least one word of data     */
  
  /**
    * @}
    */ 
  
  /** @defgroup HASH_interrupts_definition   HASH interrupts definitions
    * @{
    */  
  #define HASH_IT_DINI               HASH_IMR_DINIE  /*!< A new block can be entered into the input buffer (DIN) */
  #define HASH_IT_DCI                HASH_IMR_DCIE   /*!< Digest calculation complete                            */
  
  /**
    * @}
    */
    
  /** @defgroup HASH_alias HASH API alias
    * @{
    */
  #define HAL_HASHEx_IRQHandler   HAL_HASH_IRQHandler  /*!< HAL_HASHEx_IRQHandler() is re-directed to HAL_HASH_IRQHandler() for compatibility with legacy code */
  /**
    * @}
    */  
    
    
  
  /**
    * @}
    */
  
  /* Exported macros -----------------------------------------------------------*/
  /** @defgroup HASH_Exported_Macros HASH Exported Macros
    * @{
    */
  
  /** @brief  Check whether or not the specified HASH flag is set.
    * @param  __FLAG__: specifies the flag to check.
    *        This parameter can be one of the following values:
    *            @arg @ref HASH_FLAG_DINIS A new block can be entered into the input buffer. 
    *            @arg @ref HASH_FLAG_DCIS Digest calculation complete.
    *            @arg @ref HASH_FLAG_DMAS DMA interface is enabled (DMAE=1) or a transfer is ongoing.
    *            @arg @ref HASH_FLAG_BUSY The hash core is Busy : processing a block of data.                 
    *            @arg @ref HASH_FLAG_DINNE DIN not empty : the input buffer contains at least one word of data.
    * @retval The new state of __FLAG__ (TRUE or FALSE).
    */
  #define __HAL_HASH_GET_FLAG(__FLAG__)  (((__FLAG__) > 8U)  ?                    \
                                         ((HASH->CR & (__FLAG__)) == (__FLAG__)) :\
                                         ((HASH->SR & (__FLAG__)) == (__FLAG__)) )
  
  
  /** @brief  Clear the specified HASH flag.
    * @param  __FLAG__: specifies the flag to clear.
    *        This parameter can be one of the following values:
    *            @arg @ref HASH_FLAG_DINIS A new block can be entered into the input buffer. 
    *            @arg @ref HASH_FLAG_DCIS Digest calculation complete
    * @retval None
    */
  #define __HAL_HASH_CLEAR_FLAG(__FLAG__) CLEAR_BIT(HASH->SR, (__FLAG__))
  
  
  /** @brief  Enable the specified HASH interrupt.
    * @param  __INTERRUPT__: specifies the HASH interrupt source to enable.
    *          This parameter can be one of the following values:
    *            @arg @ref HASH_IT_DINI  A new block can be entered into the input buffer (DIN)
    *            @arg @ref HASH_IT_DCI   Digest calculation complete
    * @retval None
    */
  #define __HAL_HASH_ENABLE_IT(__INTERRUPT__)   SET_BIT(HASH->IMR, (__INTERRUPT__))
  
  /** @brief  Disable the specified HASH interrupt.
    * @param  __INTERRUPT__: specifies the HASH interrupt source to disable.
    *          This parameter can be one of the following values:
    *            @arg @ref HASH_IT_DINI  A new block can be entered into the input buffer (DIN)
    *            @arg @ref HASH_IT_DCI   Digest calculation complete
    * @retval None
    */
  #define __HAL_HASH_DISABLE_IT(__INTERRUPT__)   CLEAR_BIT(HASH->IMR, (__INTERRUPT__))
  
  /** @brief Reset HASH handle state.
    * @param  __HANDLE__: HASH handle.
    * @retval None
    */
  #define __HAL_HASH_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_HASH_STATE_RESET)
  
  /** @brief Reset HASH handle status.
    * @param  __HANDLE__: HASH handle.
    * @retval None
    */
  #define __HAL_HASH_RESET_HANDLE_STATUS(__HANDLE__) ((__HANDLE__)->Status = HAL_OK)
  
  /**
    * @brief  Enable the multi-buffer DMA transfer mode. 
    * @note   This bit is set when hashing large files when multiple DMA transfers are needed.  
    * @retval None
    */
  #define __HAL_HASH_SET_MDMAT()          SET_BIT(HASH->CR, HASH_CR_MDMAT) 
  
  /**
    * @brief  Disable the multi-buffer DMA transfer mode.
    * @retval None
    */
  #define __HAL_HASH_RESET_MDMAT()        CLEAR_BIT(HASH->CR, HASH_CR_MDMAT)
  
  
  
  /**
    * @brief Start the digest computation.
    * @retval None
    */
  #define __HAL_HASH_START_DIGEST()       SET_BIT(HASH->STR, HASH_STR_DCAL)
  
  /**
    * @brief Set the number of valid bits in the last word written in data register DIN.
    * @param  __SIZE__: size in bytes of last data written in Data register.
    * @retval None
  */
  #define  __HAL_HASH_SET_NBVALIDBITS(__SIZE__)    MODIFY_REG(HASH->STR, HASH_STR_NBLW, 8 * ((__SIZE__) % 4))                                             
                                               
  /**
    * @brief Reset the HASH core.
    * @retval None
    */
  #define __HAL_HASH_INIT()       SET_BIT(HASH->CR, HASH_CR_INIT)     
  
  /**
    * @}
    */
  
  
  /* Private macros --------------------------------------------------------*/
  /** @defgroup HASH_Private_Macros   HASH Private Macros
    * @{
    */
  
  /**
    * @brief  Return digest length in bytes.
    * @retval Digest length
    */
  #define HASH_DIGEST_LENGTH() ((READ_BIT(HASH->CR, HASH_CR_ALGO) == HASH_ALGOSELECTION_SHA1)   ?  20 : \
                               ((READ_BIT(HASH->CR, HASH_CR_ALGO) == HASH_ALGOSELECTION_SHA224) ?  28 : \
                               ((READ_BIT(HASH->CR, HASH_CR_ALGO) == HASH_ALGOSELECTION_SHA256) ?  32 : 16 ) ) )
  
  /**
    * @brief  Return number of words already pushed in the FIFO.
    * @retval Number of words already pushed in the FIFO
    */
  #define HASH_NBW_PUSHED() ((READ_BIT(HASH->CR, HASH_CR_NBW)) >> 8)  
  
  /**
    * @brief Ensure that HASH input data type is valid.
    * @param __DATATYPE__: HASH input data type. 
    * @retval SET (__DATATYPE__ is valid) or RESET (__DATATYPE__ is invalid)
    */                                              
  #define IS_HASH_DATATYPE(__DATATYPE__) (((__DATATYPE__) == HASH_DATATYPE_32B)|| \
                                          ((__DATATYPE__) == HASH_DATATYPE_16B)|| \
                                          ((__DATATYPE__) == HASH_DATATYPE_8B) || \
                                          ((__DATATYPE__) == HASH_DATATYPE_1B))  
                                      
                                      
                                               
  /**
    * @brief Ensure that input data buffer size is valid for multi-buffer HASH 
    *        processing in polling mode.
    * @note  This check is valid only for multi-buffer HASH processing in polling mode.  
    * @param __SIZE__: input data buffer size. 
    * @retval SET (__SIZE__ is valid) or RESET (__SIZE__ is invalid)
    */
  #define IS_HASH_POLLING_MULTIBUFFER_SIZE(__SIZE__)  (((__SIZE__) % 4) == 0)
  
  /**
    * @brief Ensure that input data buffer size is valid for multi-buffer HASH 
    *        processing in DMA mode.
    * @note  This check is valid only for multi-buffer HASH processing in DMA mode.  
    * @param __SIZE__: input data buffer size. 
    * @retval SET (__SIZE__ is valid) or RESET (__SIZE__ is invalid)
    */  
  #define IS_HASH_DMA_MULTIBUFFER_SIZE(__SIZE__)  ((READ_BIT(HASH->CR, HASH_CR_MDMAT) == RESET) || (((__SIZE__) % 4) == 0))  
  
  /**
    * @brief Ensure that input data buffer size is valid for multi-buffer HMAC 
    *        processing in DMA mode.
    * @note  This check is valid only for multi-buffer HMAC processing in DMA mode.
    * @param __HANDLE__: HASH handle.    
    * @param __SIZE__: input data buffer size. 
    * @retval SET (__SIZE__ is valid) or RESET (__SIZE__ is invalid)
    */   
  #define IS_HMAC_DMA_MULTIBUFFER_SIZE(__HANDLE__,__SIZE__)  ((((__HANDLE__)->DigestCalculationDisable) == RESET) || (((__SIZE__) % 4) == 0))                                                                                                                                                      
  
  /**
    * @brief Ensure that handle phase is set to HASH processing.
    * @param __HANDLE__: HASH handle.    
    * @retval SET (handle phase is set to HASH processing) or RESET (handle phase is not set to HASH processing)
    */   
  #define IS_HASH_PROCESSING(__HANDLE__)  ((__HANDLE__)->Phase == HAL_HASH_PHASE_PROCESS)
  
  /**
    * @brief Ensure that handle phase is set to HMAC processing.
    * @param __HANDLE__: HASH handle.    
    * @retval SET (handle phase is set to HMAC processing) or RESET (handle phase is not set to HMAC processing)
    */   
  #define IS_HMAC_PROCESSING(__HANDLE__)  (((__HANDLE__)->Phase == HAL_HASH_PHASE_HMAC_STEP_1) || \
                                           ((__HANDLE__)->Phase == HAL_HASH_PHASE_HMAC_STEP_2) || \
                                           ((__HANDLE__)->Phase == HAL_HASH_PHASE_HMAC_STEP_3))
  
  /**
    * @}
    */
  
  
  /* Include HASH HAL Extended module */
  #include "stm32l4xx_hal_hash_ex.h"
  /* Exported functions --------------------------------------------------------*/
  
  /** @addtogroup HASH_Exported_Functions HASH Exported Functions
    * @{
    */
    
  /** @addtogroup HASH_Exported_Functions_Group1 Initialization and de-initialization functions 
    * @{
    */
  
  /* Initialization/de-initialization methods  **********************************/
  HAL_StatusTypeDef HAL_HASH_Init(HASH_HandleTypeDef *hhash);
  HAL_StatusTypeDef HAL_HASH_DeInit(HASH_HandleTypeDef *hhash);
  void HAL_HASH_MspInit(HASH_HandleTypeDef *hhash);
  void HAL_HASH_MspDeInit(HASH_HandleTypeDef *hhash);
  void HAL_HASH_InCpltCallback(HASH_HandleTypeDef *hhash);
  void HAL_HASH_DgstCpltCallback(HASH_HandleTypeDef *hhash);
  void HAL_HASH_ErrorCallback(HASH_HandleTypeDef *hhash);
  
  /**
    * @}
    */
  
  /** @addtogroup HASH_Exported_Functions_Group2 HASH processing functions in polling mode  
    * @{
    */
  
  
  /* HASH processing using polling  *********************************************/
  HAL_StatusTypeDef HAL_HASH_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout);
  HAL_StatusTypeDef HAL_HASH_MD5_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout);
  HAL_StatusTypeDef HAL_HASH_MD5_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
  HAL_StatusTypeDef HAL_HASH_SHA1_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
  
  /**
    * @}
    */
  
  /** @addtogroup HASH_Exported_Functions_Group3 HASH processing functions in interrupt mode  
    * @{
    */
  
  /* HASH processing using IT  **************************************************/
  HAL_StatusTypeDef HAL_HASH_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer);
  HAL_StatusTypeDef HAL_HASH_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer);
  void HAL_HASH_IRQHandler(HASH_HandleTypeDef *hhash);
  /**
    * @}
    */
  
  /** @addtogroup HASH_Exported_Functions_Group4 HASH processing functions in DMA mode  
    * @{
    */
  
  /* HASH processing using DMA  *************************************************/
  HAL_StatusTypeDef HAL_HASH_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
  HAL_StatusTypeDef HAL_HASH_SHA1_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout);
  HAL_StatusTypeDef HAL_HASH_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
  HAL_StatusTypeDef HAL_HASH_MD5_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout);
  
  /**
    * @}
    */
  
  /** @addtogroup HASH_Exported_Functions_Group5 HMAC processing functions in polling mode  
    * @{
    */
  
  /* HASH-MAC processing using polling  *****************************************/
  HAL_StatusTypeDef HAL_HMAC_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout);
  HAL_StatusTypeDef HAL_HMAC_MD5_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout);
  
  /**
    * @}
    */
  
  /** @addtogroup HASH_Exported_Functions_Group6 HMAC processing functions in interrupt mode  
    * @{
    */
  
  HAL_StatusTypeDef HAL_HMAC_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer);
  HAL_StatusTypeDef HAL_HMAC_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer);
  
  /**
    * @}
    */
  
  /** @addtogroup HASH_Exported_Functions_Group7 HMAC processing functions in DMA mode  
    * @{
    */
  
  /* HASH-HMAC processing using DMA  ********************************************/
  HAL_StatusTypeDef HAL_HMAC_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
  HAL_StatusTypeDef HAL_HMAC_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
  
  /**
    * @}
    */
  
  /** @addtogroup HASH_Exported_Functions_Group8 Peripheral states functions 
    * @{
    */
  
  
  /* Peripheral State methods  **************************************************/
  HAL_HASH_StateTypeDef HAL_HASH_GetState(HASH_HandleTypeDef *hhash);
  HAL_StatusTypeDef HAL_HASH_GetStatus(HASH_HandleTypeDef *hhash);
  void HAL_HASH_ContextSaving(HASH_HandleTypeDef *hhash, uint8_t* pMemBuffer);
  void HAL_HASH_ContextRestoring(HASH_HandleTypeDef *hhash, uint8_t* pMemBuffer);
  void HAL_HASH_SwFeed_ProcessSuspend(HASH_HandleTypeDef *hhash);
  HAL_StatusTypeDef HAL_HASH_DMAFeed_ProcessSuspend(HASH_HandleTypeDef *hhash);
  
  /**
    * @}
    */
    
  /**
    * @}
    */
  
  /* Private functions -----------------------------------------------------------*/  
  
  /** @addtogroup HASH_Private_Functions HASH Private Functions
    * @{
    */
  
  /* Private functions */
  HAL_StatusTypeDef HASH_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout, uint32_t Algorithm);
  HAL_StatusTypeDef HASH_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm);
  HAL_StatusTypeDef HASH_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Algorithm);
  HAL_StatusTypeDef HASH_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm);
  HAL_StatusTypeDef HASH_Finish(HASH_HandleTypeDef *hhash, uint8_t* pOutBuffer, uint32_t Timeout);
  HAL_StatusTypeDef HMAC_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Timeout, uint32_t Algorithm);
  HAL_StatusTypeDef HMAC_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t* pOutBuffer, uint32_t Algorithm);
  HAL_StatusTypeDef HMAC_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm);
  
  /**
    * @}
    */ 
  
  /**
    * @}
    */
    
  /**
    * @}
    */  
    
  #endif /* defined (STM32L4A6xx) */
    
  #ifdef __cplusplus
  }
  #endif
  
  
  #endif /* __STM32L4xx_HAL_HASH_H */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  