/**
  ******************************************************************************
  * @file    stm32l4xx_hal_hash.h
  * @author  MCD Application Team
  * @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) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)

/* 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) || defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx) */    
  
#ifdef __cplusplus
}
#endif


#endif /* __STM32L4xx_HAL_HASH_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/