ST STM32F2

UM1940
HAL CRYP Generic Driver
DocID028236 Rev 2
149/1371
Return values
HAL: status
HAL_CRYP_DESCBC_Decrypt_IT
Function name
HAL_StatusTypeDef HAL_CRYP_DESCBC_Decrypt_IT
(CRYP_HandleTypeDef * hcryp, uint8_t * pCypherData,
uint16_t Size, uint8_t * pPlainData)
Function description
Initializes the CRYP peripheral in DES ECB decryption mode
using interrupt.
Parameters
hcryp: pointer to a CRYP_HandleTypeDef structure that
contains the configuration information for CRYP module
pPlainData: Pointer to the plaintext buffer
Size: Length of the plaintext buffer, must be a multiple of 8
pCypherData: Pointer to the cyphertext buffer
Return values
HAL: status
HAL_CRYP_DESECB_Encrypt_DMA
Function name
HAL_StatusTypeDef HAL_CRYP_DESECB_Encrypt_DMA
(CRYP_HandleTypeDef * hcryp, uint8_t * pPlainData, uint16_t
Size, uint8_t * pCypherData)
Function description
Initializes the CRYP peripheral in DES ECB encryption mode
using DMA.
Parameters
hcryp: pointer to a CRYP_HandleTypeDef structure that
contains the configuration information for CRYP module
pPlainData: Pointer to the plaintext buffer
Size: Length of the plaintext buffer, must be a multiple of 8
pCypherData: Pointer to the cyphertext buffer
Return values
HAL: status
HAL_CRYP_DESECB_Decrypt_DMA
Function name
HAL_StatusTypeDef HAL_CRYP_DESECB_Decrypt_DMA
(CRYP_HandleTypeDef * hcryp, uint8_t * pCypherData,
uint16_t Size, uint8_t * pPlainData)
Function description
Initializes the CRYP peripheral in DES ECB decryption mode
using DMA.
Parameters
hcryp: pointer to a CRYP_HandleTypeDef structure that
contains the configuration information for CRYP module
pPlainData: Pointer to the plaintext buffer
Size: Length of the plaintext buffer, must be a multiple of 8
pCypherData: Pointer to the cyphertext buffer
Return values
HAL: status
HAL_CRYP_DESCBC_Encrypt_DMA
Function name
HAL_StatusTypeDef HAL_CRYP_DESCBC_Encrypt_DMA
(CRYP_HandleTypeDef * hcryp, uint8_t * pPlainData, uint16_t
Size, uint8_t * pCypherData)