ST STM32F2

UM1940
HAL CRYP Generic Driver
DocID028236 Rev 2
153/1371
Size: Length of the plaintext buffer, must be a multiple of 8
pCypherData: Pointer to the cyphertext buffer
Return values
HAL: status
HAL_CRYP_TDESECB_Decrypt_DMA
Function name
HAL_StatusTypeDef HAL_CRYP_TDESECB_Decrypt_DMA
(CRYP_HandleTypeDef * hcryp, uint8_t * pCypherData,
uint16_t Size, uint8_t * pPlainData)
Function description
Initializes the CRYP peripheral in TDES 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_TDESCBC_Encrypt_DMA
Function name
HAL_StatusTypeDef HAL_CRYP_TDESCBC_Encrypt_DMA
(CRYP_HandleTypeDef * hcryp, uint8_t * pPlainData, uint16_t
Size, uint8_t * pCypherData)
Function description
Initializes the CRYP peripheral in TDES CBC 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_TDESCBC_Decrypt_DMA
Function name
HAL_StatusTypeDef HAL_CRYP_TDESCBC_Decrypt_DMA
(CRYP_HandleTypeDef * hcryp, uint8_t * pCypherData,
uint16_t Size, uint8_t * pPlainData)
Function description
Initializes the CRYP peripheral in TDES CBC decryption mode
using DMA.
Parameters
hcryp: pointer to a CRYP_HandleTypeDef structure that
contains the configuration information for CRYP module
pCypherData: Pointer to the cyphertext buffer
Size: Length of the plaintext buffer, must be a multiple of 8
pPlainData: Pointer to the plaintext buffer
Return values
HAL: status