diff --git a/Inc/stm32f7xx_hal_hash.h b/Inc/stm32f7xx_hal_hash.h
index 1cd5448..0573659 100644
--- a/Inc/stm32f7xx_hal_hash.h
+++ b/Inc/stm32f7xx_hal_hash.h
@@ -117,13 +117,13 @@
 {
   HASH_InitTypeDef           Init;             /*!< HASH required parameters */
 
-  uint8_t                    *pHashInBuffPtr;  /*!< Pointer to input buffer */
+  uint8_t const              *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) */
+  uint8_t const              *pHashMsgBuffPtr; /*!< Pointer to message buffer (HMAC only) */
 
   uint32_t                   HashBuffSize;     /*!< Size of buffer to be processed */
 
@@ -476,15 +476,15 @@
 
 
 /* HASH processing using polling  *********************************************/
-HAL_StatusTypeDef HAL_HASH_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HAL_HASH_SHA1_Start(HASH_HandleTypeDef *hhash, const uint8_t *const 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,
+HAL_StatusTypeDef HAL_HASH_MD5_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                                      uint32_t Timeout);
-HAL_StatusTypeDef HAL_HASH_MD5_Accmlt(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_End(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_MD5_Accmlt(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_End(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout);
-HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_End(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_End(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                            uint8_t *pOutBuffer, uint32_t Timeout);
 
 
@@ -497,15 +497,15 @@
   */
 
 /* HASH processing using IT  **************************************************/
-HAL_StatusTypeDef HAL_HASH_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_SHA1_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                          uint8_t *pOutBuffer);
-HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_End_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_End_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                               uint8_t *pOutBuffer);
-HAL_StatusTypeDef HAL_HASH_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_MD5_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                         uint8_t *pOutBuffer);
-HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_End_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_End_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer);
 void HAL_HASH_IRQHandler(HASH_HandleTypeDef *hhash);
 /**
@@ -517,9 +517,9 @@
   */
 
 /* 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_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const 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_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
 HAL_StatusTypeDef HAL_HASH_MD5_Finish(HASH_HandleTypeDef *hhash, uint8_t *pOutBuffer, uint32_t Timeout);
 
 /**
@@ -531,9 +531,9 @@
   */
 
 /* HASH-MAC processing using polling  *****************************************/
-HAL_StatusTypeDef HAL_HMAC_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HAL_HMAC_SHA1_Start(HASH_HandleTypeDef *hhash, const uint8_t *const 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,
+HAL_StatusTypeDef HAL_HMAC_MD5_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                                      uint32_t Timeout);
 
 /**
@@ -544,9 +544,9 @@
   * @{
   */
 
-HAL_StatusTypeDef HAL_HMAC_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMAC_MD5_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                         uint8_t *pOutBuffer);
-HAL_StatusTypeDef HAL_HMAC_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMAC_SHA1_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                          uint8_t *pOutBuffer);
 
 /**
@@ -558,8 +558,8 @@
   */
 
 /* 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);
+HAL_StatusTypeDef HAL_HMAC_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMAC_MD5_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
 
 /**
   * @}
@@ -571,13 +571,13 @@
 
 
 /* Peripheral State methods  **************************************************/
-HAL_HASH_StateTypeDef HAL_HASH_GetState(HASH_HandleTypeDef *hhash);
-HAL_StatusTypeDef HAL_HASH_GetStatus(HASH_HandleTypeDef *hhash);
+HAL_HASH_StateTypeDef HAL_HASH_GetState(const HASH_HandleTypeDef *hhash);
+HAL_StatusTypeDef HAL_HASH_GetStatus(const 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);
-uint32_t HAL_HASH_GetError(HASH_HandleTypeDef *hhash);
+uint32_t HAL_HASH_GetError(const HASH_HandleTypeDef *hhash);
 
 /**
   * @}
@@ -594,19 +594,19 @@
   */
 
 /* Private functions */
-HAL_StatusTypeDef HASH_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HASH_Start(HASH_HandleTypeDef *hhash, const uint8_t *const 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_Accumulate_IT(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,
+HAL_StatusTypeDef HASH_Accumulate(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint32_t Algorithm);
+HAL_StatusTypeDef HASH_Accumulate_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint32_t Algorithm);
+HAL_StatusTypeDef HASH_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const 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_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const 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,
+HAL_StatusTypeDef HMAC_Start(HASH_HandleTypeDef *hhash, const uint8_t *const 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,
+HAL_StatusTypeDef HMAC_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const 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);
+HAL_StatusTypeDef HMAC_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint32_t Algorithm);
 
 /**
   * @}
diff --git a/Inc/stm32f7xx_hal_hash_ex.h b/Inc/stm32f7xx_hal_hash_ex.h
index 69018bb..3dcf438 100644
--- a/Inc/stm32f7xx_hal_hash_ex.h
+++ b/Inc/stm32f7xx_hal_hash_ex.h
@@ -50,15 +50,15 @@
   * @{
   */
 
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout);
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_End(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_End(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                                uint8_t *pOutBuffer, uint32_t Timeout);
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout);
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_End(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_End(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                                uint8_t *pOutBuffer, uint32_t Timeout);
 
 /**
@@ -69,15 +69,15 @@
   * @{
   */
 
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer);
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_End_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_End_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                                   uint8_t *pOutBuffer);
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer);
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_End_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_End_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                                   uint8_t *pOutBuffer);
 
 /**
@@ -87,9 +87,9 @@
 /** @addtogroup HASHEx_Exported_Functions_Group3 HASH extended processing functions in DMA mode
   * @{
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
 HAL_StatusTypeDef HAL_HASHEx_SHA224_Finish(HASH_HandleTypeDef *hhash, uint8_t *pOutBuffer, uint32_t Timeout);
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
 HAL_StatusTypeDef HAL_HASHEx_SHA256_Finish(HASH_HandleTypeDef *hhash, uint8_t *pOutBuffer, uint32_t Timeout);
 
 /**
@@ -99,9 +99,9 @@
 /** @addtogroup HASHEx_Exported_Functions_Group4 HMAC extended processing functions in polling mode
   * @{
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout);
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout);
 /**
   * @}
@@ -111,9 +111,9 @@
   * @{
   */
 
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer);
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer);
 
 /**
@@ -124,8 +124,8 @@
   * @{
   */
 
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
 
 /**
   * @}
@@ -135,20 +135,20 @@
   * @{
   */
 
-HAL_StatusTypeDef HAL_HMACEx_MD5_Step1_2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_MD5_Step2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_MD5_Step2_3_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_MD5_Step1_2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_MD5_Step2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_MD5_Step2_3_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
 
-HAL_StatusTypeDef HAL_HMACEx_SHA1_Step1_2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_SHA1_Step2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_SHA1_Step2_3_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Step1_2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Step2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Step2_3_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA1_Step1_2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA1_Step2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA1_Step2_3_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Step1_2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Step2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Step2_3_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
 
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Step1_2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Step2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Step2_3_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Step1_2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Step2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Step2_3_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
 /**
   * @}
   */
diff --git a/Src/stm32f7xx_hal_hash.c b/Src/stm32f7xx_hal_hash.c
index 44599a8..fc2050e 100644
--- a/Src/stm32f7xx_hal_hash.c
+++ b/Src/stm32f7xx_hal_hash.c
@@ -272,10 +272,10 @@
   */
 static void HASH_DMAXferCplt(DMA_HandleTypeDef *hdma);
 static void HASH_DMAError(DMA_HandleTypeDef *hdma);
-static void HASH_GetDigest(uint8_t *pMsgDigest, uint8_t Size);
+static void HASH_GetDigest(const uint8_t *pMsgDigest, uint8_t Size);
 static HAL_StatusTypeDef HASH_WaitOnFlagUntilTimeout(HASH_HandleTypeDef *hhash, uint32_t Flag, FlagStatus Status,
                                                      uint32_t Timeout);
-static HAL_StatusTypeDef HASH_WriteData(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size);
+static HAL_StatusTypeDef HASH_WriteData(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size);
 static HAL_StatusTypeDef HASH_IT(HASH_HandleTypeDef *hhash);
 static uint32_t HASH_Write_Block_Data(HASH_HandleTypeDef *hhash);
 static HAL_StatusTypeDef HMAC_Processing(HASH_HandleTypeDef *hhash, uint32_t Timeout);
@@ -764,7 +764,7 @@
   * @param  Timeout Timeout value
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_MD5_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HAL_HASH_MD5_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                                      uint32_t Timeout)
 {
   return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_MD5);
@@ -790,7 +790,7 @@
   * @param  Size length of the input buffer in bytes, must be a multiple of 4.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_MD5_Accmlt(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASH_MD5_Accmlt(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HASH_Accumulate(hhash, pInBuffer, Size, HASH_ALGOSELECTION_MD5);
 }
@@ -805,7 +805,7 @@
   * @param  Timeout Timeout value
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_End(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_End(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout)
 {
   return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_MD5);
@@ -822,7 +822,7 @@
   * @param  Timeout Timeout value
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HAL_HASH_SHA1_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                                       uint32_t Timeout)
 {
   return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA1);
@@ -848,7 +848,7 @@
   * @param  Size length of the input buffer in bytes, must be a multiple of 4.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HASH_Accumulate(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA1);
 }
@@ -863,7 +863,7 @@
   * @param  Timeout Timeout value
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_End(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_End(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                            uint8_t *pOutBuffer, uint32_t Timeout)
 {
   return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA1);
@@ -911,7 +911,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 16 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_MD5_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                         uint8_t *pOutBuffer)
 {
   return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_MD5);
@@ -935,7 +935,7 @@
   * @param  Size length of the input buffer in bytes, must be a multiple of 4.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HASH_Accumulate_IT(hhash, pInBuffer, Size, HASH_ALGOSELECTION_MD5);
 }
@@ -949,7 +949,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 16 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_End_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_MD5_Accmlt_End_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer)
 {
   return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_MD5);
@@ -965,7 +965,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 20 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_SHA1_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                          uint8_t *pOutBuffer)
 {
   return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA1);
@@ -990,7 +990,7 @@
   * @param  Size length of the input buffer in bytes, must be a multiple of 4.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HASH_Accumulate_IT(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA1);
 }
@@ -1004,7 +1004,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 20 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_End_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASH_SHA1_Accmlt_End_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                               uint8_t *pOutBuffer)
 {
   return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA1);
@@ -1077,7 +1077,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASH_MD5_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return HASH_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_MD5);
 }
@@ -1107,7 +1107,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASH_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return HASH_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA1);
 }
@@ -1164,7 +1164,7 @@
   * @param  Timeout Timeout value.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMAC_MD5_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HAL_HMAC_MD5_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                                      uint32_t Timeout)
 {
   return HMAC_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_MD5);
@@ -1183,7 +1183,7 @@
   * @param  Timeout Timeout value.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMAC_SHA1_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HAL_HMAC_SHA1_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                                       uint32_t Timeout)
 {
   return HMAC_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA1);
@@ -1225,7 +1225,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 16 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMAC_MD5_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMAC_MD5_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                         uint8_t *pOutBuffer)
 {
   return  HMAC_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_MD5);
@@ -1243,7 +1243,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 20 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMAC_SHA1_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMAC_SHA1_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                          uint8_t *pOutBuffer)
 {
   return  HMAC_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA1);
@@ -1297,7 +1297,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMAC_MD5_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMAC_MD5_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_MD5);
 }
@@ -1322,7 +1322,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMAC_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMAC_SHA1_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA1);
 }
@@ -1369,7 +1369,7 @@
   * @param  hhash HASH handle.
   * @retval HAL HASH state
   */
-HAL_HASH_StateTypeDef HAL_HASH_GetState(HASH_HandleTypeDef *hhash)
+HAL_HASH_StateTypeDef HAL_HASH_GetState(const HASH_HandleTypeDef *hhash)
 {
   return hhash->State;
 }
@@ -1382,7 +1382,7 @@
   * @param  hhash HASH handle.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASH_GetStatus(HASH_HandleTypeDef *hhash)
+HAL_StatusTypeDef HAL_HASH_GetStatus(const HASH_HandleTypeDef *hhash)
 {
   return hhash->Status;
 }
@@ -1620,7 +1620,7 @@
   * @param  hhash pointer to a HASH_HandleTypeDef structure.
   * @retval HASH Error Code
   */
-uint32_t HAL_HASH_GetError(HASH_HandleTypeDef *hhash)
+uint32_t HAL_HASH_GetError(const HASH_HandleTypeDef *hhash)
 {
   /* Return HASH Error Code */
   return hhash->ErrorCode;
@@ -1821,7 +1821,7 @@
   *         suspension time is stored in the handle for resumption later on.
   * @retval HAL status
   */
-static HAL_StatusTypeDef HASH_WriteData(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+static HAL_StatusTypeDef HASH_WriteData(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   uint32_t buffercounter;
   __IO uint32_t inputaddr = (uint32_t) pInBuffer;
@@ -1940,7 +1940,7 @@
   * @param  Size message digest size in bytes.
   * @retval None
   */
-static void HASH_GetDigest(uint8_t *pMsgDigest, uint8_t Size)
+static void HASH_GetDigest(const uint8_t *pMsgDigest, uint8_t Size)
 {
   uint32_t msgdigest = (uint32_t)pMsgDigest;
 
@@ -2491,7 +2491,7 @@
   * @param  Algorithm HASH algorithm.
   * @retval HAL status
   */
-HAL_StatusTypeDef HASH_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HASH_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                              uint32_t Timeout, uint32_t Algorithm)
 {
   uint8_t *pInBuffer_tmp;  /* input data address, input parameter of HASH_WriteData()         */
@@ -2526,7 +2526,7 @@
 
       /* pInBuffer_tmp and Size_tmp are initialized to be used afterwards as
       input parameters of HASH_WriteData() */
-      pInBuffer_tmp = pInBuffer;   /* pInBuffer_tmp is set to the input data address */
+      pInBuffer_tmp = (uint8_t *)pInBuffer;   /* pInBuffer_tmp is set to the input data address */
       Size_tmp = Size;             /* Size_tmp contains the input data size in bytes */
 
       /* Set the phase */
@@ -2542,7 +2542,7 @@
         /* Since this is resumption, pInBuffer_tmp and Size_tmp are not set
         to the API input parameters but to those saved beforehand by HASH_WriteData()
         when the processing was suspended */
-        pInBuffer_tmp = hhash->pHashInBuffPtr;
+        pInBuffer_tmp = (uint8_t *)hhash->pHashInBuffPtr;
         Size_tmp = hhash->HashInCount;
       }
       /* ... or multi-buffer HASH processing end */
@@ -2550,7 +2550,7 @@
       {
         /* pInBuffer_tmp and Size_tmp are initialized to be used afterwards as
         input parameters of HASH_WriteData() */
-        pInBuffer_tmp = pInBuffer;
+        pInBuffer_tmp = (uint8_t *)pInBuffer;
         Size_tmp = Size;
         /* Configure the number of valid bits in last word of the message */
         __HAL_HASH_SET_NBVALIDBITS(Size);
@@ -2628,7 +2628,7 @@
   * @param  Algorithm HASH algorithm.
   * @retval HAL status
   */
-HAL_StatusTypeDef HASH_Accumulate(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm)
+HAL_StatusTypeDef HASH_Accumulate(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint32_t Algorithm)
 {
   uint8_t *pInBuffer_tmp;   /* input data address, input parameter of HASH_WriteData()         */
   uint32_t Size_tmp;  /* input data size (in bytes), input parameter of HASH_WriteData() */
@@ -2662,7 +2662,7 @@
       /* Since this is resumption, pInBuffer_tmp and Size_tmp are not set
          to the API input parameters but to those saved beforehand by HASH_WriteData()
          when the processing was suspended */
-      pInBuffer_tmp = hhash->pHashInBuffPtr;  /* pInBuffer_tmp is set to the input data address */
+      pInBuffer_tmp = (uint8_t *)hhash->pHashInBuffPtr;  /* pInBuffer_tmp is set to the input data address */
       Size_tmp = hhash->HashInCount;          /* Size_tmp contains the input data size in bytes */
 
     }
@@ -2673,7 +2673,7 @@
 
       /* pInBuffer_tmp and Size_tmp are initialized to be used afterwards as
          input parameters of HASH_WriteData() */
-      pInBuffer_tmp = pInBuffer;    /* pInBuffer_tmp is set to the input data address */
+      pInBuffer_tmp = (uint8_t *)pInBuffer;    /* pInBuffer_tmp is set to the input data address */
       Size_tmp = Size;              /* Size_tmp contains the input data size in bytes */
 
       /* Check if initialization phase has already be performed */
@@ -2731,7 +2731,7 @@
   * @param  Algorithm HASH algorithm.
   * @retval HAL status
   */
-HAL_StatusTypeDef HASH_Accumulate_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm)
+HAL_StatusTypeDef HASH_Accumulate_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint32_t Algorithm)
 {
   HAL_HASH_StateTypeDef State_tmp = hhash->State;
   __IO uint32_t inputaddr = (uint32_t) pInBuffer;
@@ -2853,7 +2853,7 @@
   * @param  Algorithm HASH algorithm.
   * @retval HAL status
   */
-HAL_StatusTypeDef HASH_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HASH_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                                 uint32_t Algorithm)
 {
   HAL_HASH_StateTypeDef State_tmp = hhash->State;
@@ -3011,7 +3011,7 @@
   * @param  Algorithm HASH algorithm.
   * @retval HAL status
   */
-HAL_StatusTypeDef HASH_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm)
+HAL_StatusTypeDef HASH_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint32_t Algorithm)
 {
   uint32_t inputaddr;
   uint32_t inputSize;
@@ -3188,7 +3188,7 @@
   * @param  Algorithm HASH algorithm.
   * @retval HAL status
   */
-HAL_StatusTypeDef HMAC_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HMAC_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                              uint32_t Timeout, uint32_t Algorithm)
 {
   HAL_HASH_StateTypeDef State_tmp = hhash->State;
@@ -3266,7 +3266,7 @@
   * @param  Algorithm HASH algorithm.
   * @retval HAL status
   */
-HAL_StatusTypeDef HMAC_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
+HAL_StatusTypeDef HMAC_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint8_t *pOutBuffer,
                                 uint32_t Algorithm)
 {
   HAL_HASH_StateTypeDef State_tmp = hhash->State;
@@ -3377,7 +3377,7 @@
   * @param  Algorithm HASH algorithm.
   * @retval HAL status
   */
-HAL_StatusTypeDef HMAC_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size, uint32_t Algorithm)
+HAL_StatusTypeDef HMAC_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size, uint32_t Algorithm)
 {
   uint32_t inputaddr;
   uint32_t inputSize;
diff --git a/Src/stm32f7xx_hal_hash_ex.c b/Src/stm32f7xx_hal_hash_ex.c
index e6e6063..7dde794 100644
--- a/Src/stm32f7xx_hal_hash_ex.c
+++ b/Src/stm32f7xx_hal_hash_ex.c
@@ -148,7 +148,7 @@
   * @param  Timeout Timeout value
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout)
 {
   return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA224);
@@ -174,7 +174,7 @@
   * @param  Size length of the input buffer in bytes, must be a multiple of 4.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HASH_Accumulate(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA224);
 }
@@ -189,7 +189,7 @@
   * @param  Timeout Timeout value
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_End(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_End(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                                uint8_t *pOutBuffer, uint32_t Timeout)
 {
   return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA224);
@@ -206,7 +206,7 @@
   * @param  Timeout Timeout value
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout)
 {
   return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA256);
@@ -232,7 +232,7 @@
   * @param  Size length of the input buffer in bytes, must be a multiple of 4.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HASH_Accumulate(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA256);
 }
@@ -247,7 +247,7 @@
   * @param  Timeout Timeout value
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_End(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_End(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                                uint8_t *pOutBuffer, uint32_t Timeout)
 {
   return HASH_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA256);
@@ -290,7 +290,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 28 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer)
 {
   return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA224);
@@ -314,7 +314,7 @@
   * @param  Size length of the input buffer in bytes, must be a multiple of 4.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HASH_Accumulate_IT(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA224);
 }
@@ -328,7 +328,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 28 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_End_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Accmlt_End_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                                   uint8_t *pOutBuffer)
 {
   return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA224);
@@ -344,7 +344,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 32 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer)
 {
   return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA256);
@@ -368,7 +368,7 @@
   * @param  Size length of the input buffer in bytes, must be a multiple of 4.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HASH_Accumulate_IT(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA256);
 }
@@ -382,7 +382,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 32 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_End_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Accmlt_End_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                                   uint8_t *pOutBuffer)
 {
   return HASH_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA256);
@@ -434,7 +434,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASHEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return HASH_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA224);
 }
@@ -464,7 +464,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HASHEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return HASH_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA256);
 }
@@ -521,7 +521,7 @@
   * @param  Timeout Timeout value.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout)
 {
   return HMAC_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA224);
@@ -540,7 +540,7 @@
   * @param  Timeout Timeout value.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Start(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Start(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                           uint8_t *pOutBuffer, uint32_t Timeout)
 {
   return HMAC_Start(hhash, pInBuffer, Size, pOutBuffer, Timeout, HASH_ALGOSELECTION_SHA256);
@@ -583,7 +583,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 28 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer)
 {
   return  HMAC_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA224);
@@ -601,7 +601,7 @@
   * @param  pOutBuffer pointer to the computed digest. Digest size is 32 bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size,
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Start_IT(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size,
                                              uint8_t *pOutBuffer)
 {
   return  HMAC_Start_IT(hhash, pInBuffer, Size, pOutBuffer, HASH_ALGOSELECTION_SHA256);
@@ -659,7 +659,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA224);
 }
@@ -683,7 +683,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Start_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA256);
 }
@@ -759,7 +759,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_MD5_Step1_2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_MD5_Step1_2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   hhash->DigestCalculationDisable = SET;
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_MD5);
@@ -780,7 +780,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_MD5_Step2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_MD5_Step2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   if (hhash->DigestCalculationDisable != SET)
   {
@@ -806,7 +806,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_MD5_Step2_3_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_MD5_Step2_3_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   hhash->DigestCalculationDisable = RESET;
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_MD5);
@@ -829,7 +829,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA1_Step1_2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA1_Step1_2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   hhash->DigestCalculationDisable = SET;
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA1);
@@ -850,7 +850,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA1_Step2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA1_Step2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   if (hhash->DigestCalculationDisable != SET)
   {
@@ -876,7 +876,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA1_Step2_3_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA1_Step2_3_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   hhash->DigestCalculationDisable = RESET;
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA1);
@@ -898,7 +898,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Step1_2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Step1_2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   hhash->DigestCalculationDisable = SET;
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA224);
@@ -919,7 +919,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Step2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Step2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   if (hhash->DigestCalculationDisable != SET)
   {
@@ -945,7 +945,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA224_Step2_3_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA224_Step2_3_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   hhash->DigestCalculationDisable = RESET;
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA224);
@@ -967,7 +967,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Step1_2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Step1_2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   hhash->DigestCalculationDisable = SET;
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA256);
@@ -988,7 +988,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Step2_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Step2_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   if (hhash->DigestCalculationDisable != SET)
   {
@@ -1014,7 +1014,7 @@
   * @param  Size length of the input buffer in bytes.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_HMACEx_SHA256_Step2_3_DMA(HASH_HandleTypeDef *hhash, uint8_t *pInBuffer, uint32_t Size)
+HAL_StatusTypeDef HAL_HMACEx_SHA256_Step2_3_DMA(HASH_HandleTypeDef *hhash, const uint8_t *const pInBuffer, uint32_t Size)
 {
   hhash->DigestCalculationDisable = RESET;
   return  HMAC_Start_DMA(hhash, pInBuffer, Size, HASH_ALGOSELECTION_SHA256);