/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Configure LED1, LED2 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
/*##-1- Configure the CRYP peripheral ######################################*/
/* Set the CRYP parameters */
CrypHandle.Init.DataType = CRYP_DATATYPE_8B;
CrypHandle.Init.KeySize = CRYP_KEYSIZE_128B;
CrypHandle.Init.pKey = aTDESKey;
if(HAL_CRYP_Init(&CrypHandle)!= HAL_OK)
{
/* Initialization process error */
Error_Handler();
}
/*##-2- Start the TDES encryption in ECB chaining mode #####################*/
if (HAL_CRYP_TDESECB_Encrypt_DMA(&CrypHandle, aPlaintext, 48, aEncryptedtext) != HAL_OK)
{
/* Processing error */
Error_Handler();
}
while (HAL_CRYP_GetState(&CrypHandle) != HAL_CRYP_STATE_READY);
/*##-3- Check the encrypted text with the expected one #####################*/
if(memcmp(aEncryptedtext, aCyphertext, 48) != 0)
{
/* Wrong encryption: Turn LED2 on */
BSP_LED_On(LED2);
}
else
{
/* Right encryption: Turn LED1 on */
BSP_LED_On(LED1);
}
/* Infinite loop */
while (1)
{
}
}
/**
* @brief buffer data comparison
* @param
* @retval None
*/
void data_cmp(uint8_t *EncryptedText, uint8_t *RefText, uint8_t Size)
{
/* Before starting a new process, you need to check the current state of the peripheral;
if it’s busy you need to wait for the end of current transfer before starting a new one.
For simplicity reasons, this example is just waiting till the end of the
process, but application may perform other tasks while transfer operation
is ongoing. */
while (HAL_CRYP_GetState(&CrypHandle) != HAL_CRYP_STATE_READY)
{
}
/*##-3- Check the encrypted text with the expected one #####################*/
if(memcmp(EncryptedText, RefText, Size) != 0)
{
/* Wrong encryption */
BSP_LED_On(LED2);
}
else
{
/* Right encryption */
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization: global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Initialize LED1, LED2, LED4 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED4);
BSP_LED_Init(LED3);
/*##-1- Configure the CRYP peripheral ######################################*/
/* Set the CRYP parameters */
CrypHandle.Instance = CRYP;
CrypHandle.Init.DataType = CRYP_DATATYPE_8B;
CrypHandle.Init.KeySize = CRYP_KEYSIZE_128B;
CrypHandle.Init.pKey = aAES128Key;
if(HAL_CRYP_Init(&CrypHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-2- Start the AES encryption in ECB chaining mode with DMA #############*/
if(HAL_CRYP_AESECB_Encrypt_DMA(&CrypHandle, aPlaintext, DATA_SIZE, aEncryptedText) != HAL_OK)
{
/* Processing Error */
Error_Handler();
}
/* Before starting a new process, you need to check the current state of the peripheral;
if it’s busy you need to wait for the end of current transfer before starting a new one.
For simplicity reasons, this example is just waiting till the end of the
process, but application may perform other tasks while transfer operation
is ongoing. */
while (HAL_CRYP_GetState(&CrypHandle) != HAL_CRYP_STATE_READY)
{
}
/*##-3- Check the encrypted text with the expected one #####################*/
if(memcmp(aEncryptedText, aCyphertext, DATA_SIZE) != 0)
{
/* Wrong encryption: Turn LED2 on */
BSP_LED_On(LED2);
}
else
{
/* Right encryption: Turn LED1 on */
BSP_LED_On(LED1);
}
/* Deinitialize Crypto peripheral */
HAL_CRYP_DeInit(&CrypHandle);
/* Set the CRYP parameters */
CrypHandle.Init.DataType = CRYP_DATATYPE_8B;
CrypHandle.Init.KeySize = CRYP_KEYSIZE_128B;
CrypHandle.Init.pKey = aAES128Key;
if(HAL_CRYP_Init(&CrypHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-4- Start the AES decryption in ECB chaining mode with DMA #############*/
if(HAL_CRYP_AESECB_Decrypt_DMA(&CrypHandle, aEncryptedText, DATA_SIZE, aDecryptedText) != HAL_OK)
{
/* Processing Error */
Error_Handler();
}
/* Before starting a new process, you need to check the current state of the peripheral;
if it’s busy you need to wait for the end of current transfer before starting a new one.
For simplicity reasons, this example is just waiting till the end of the
process, but application may perform other tasks while transfer operation
is ongoing. */
while (HAL_CRYP_GetState(&CrypHandle) != HAL_CRYP_STATE_READY)
{
}
/*##-5- Check the decrypted text with the expected one #####################*/
if(memcmp(aDecryptedText, aPlaintext, DATA_SIZE) != 0)
{
/* Wrong encryption: Turn LED2 on */
BSP_LED_On(LED2);
}
else
{
/* Right encryption: Turn LED4 on */
BSP_LED_On(LED4);
}
/* Infinite loop */
while(1)
{
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 168 Mhz */
SystemClock_Config();
/* Initialize LED1, LED2 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
/*##-1- Configure the CRYP peripheral ######################################*/
/* Set the CRYP parameters */
CrypHandle.Init.DataType = CRYP_DATATYPE_8B;
CrypHandle.Init.KeySize = CRYP_KEYSIZE_128B;
CrypHandle.Init.pKey = aAES128Key;
if(HAL_CRYP_Init(&CrypHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-2- Start the AES encryption in ECB chaining mode with DMA #############*/
if(HAL_CRYP_AESECB_Encrypt_DMA(&CrypHandle, aPlaintext, DATA_SIZE, aEncryptedText) != HAL_OK)
{
/* Processing Error */
Error_Handler();
}
/* Before starting a new process, you need to check the current state of the peripheral;
if it’s busy you need to wait for the end of current transfer before starting a new one.
For simplicity reasons, this example is just waiting till the end of the
process, but application may perform other tasks while transfer operation
is ongoing. */
while (HAL_CRYP_GetState(&CrypHandle) != HAL_CRYP_STATE_READY)
{
}
/*##-3- Check the encrypted text with the expected one #####################*/
if(memcmp(aEncryptedText, aCyphertext, DATA_SIZE) != 0)
{
/* Wrong encryption: Turn LED2 on */
BSP_LED_On(LED2);
}
else
{
/* Right encryption: Turn LED1 on */
BSP_LED_On(LED1);
}
/* Deinitialize Crypto peripheral */
HAL_CRYP_DeInit(&CrypHandle);
/* Set the CRYP parameters */
CrypHandle.Init.DataType = CRYP_DATATYPE_8B;
CrypHandle.Init.KeySize = CRYP_KEYSIZE_128B;
CrypHandle.Init.pKey = aAES128Key;
if(HAL_CRYP_Init(&CrypHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/*##-4- Start the AES decryption in ECB chaining mode with DMA #############*/
if(HAL_CRYP_AESECB_Decrypt_DMA(&CrypHandle, aEncryptedText, DATA_SIZE, aDecryptedText) != HAL_OK)
{
/* Processing Error */
Error_Handler();
}
/* Before starting a new process, you need to check the current state of the peripheral;
if it’s busy you need to wait for the end of current transfer before starting a new one.
For simplicity reasons, this example is just waiting till the end of the
process, but application may perform other tasks while transfer operation
is ongoing. */
while (HAL_CRYP_GetState(&CrypHandle) != HAL_CRYP_STATE_READY)
{
}
/*##-5- Check the decrypted text with the expected one #####################*/
if(memcmp(aDecryptedText, aPlaintext, DATA_SIZE) != 0)
{
/* Wrong encryption: Turn LED2 on */
BSP_LED_On(LED2);
}
else
{
/* Right encryption: Turn LED1 on */
BSP_LED_On(LED1);
}
/* Infinite loop */
while(1)
{
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization: global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Initialize LED1, LED2 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
/*##-1- Configure the CRYP peripheral ######################################*/
CrypHandle.Instance = CRYP;
/* Set the CRYP parameters */
CrypHandle.Init.DataType = CRYP_DATATYPE_8B;
CrypHandle.Init.KeySize = CRYP_KEYSIZE_128B;
CrypHandle.Init.pKey = aTDESKey;
if(HAL_CRYP_Init(&CrypHandle)!= HAL_OK)
{
/* Initialization process error */
Error_Handler();
}
/*##-2- Start the TDES encryption in ECB chaining mode #####################*/
if (HAL_CRYP_TDESECB_Encrypt_DMA(&CrypHandle, aPlaintext, 48, aEncryptedtext) != HAL_OK)
{
/* Processing error */
Error_Handler();
}
while (HAL_CRYP_GetState(&CrypHandle) != HAL_CRYP_STATE_READY);
/*##-3- Check the encrypted text with the expected one #####################*/
if(memcmp(aEncryptedtext, aCyphertext, 48) != 0)
{
/* Wrong encryption: Turn LED2 on */
BSP_LED_On(LED2);
}
else
{
/* Right encryption: Turn LED1 on */
BSP_LED_On(LED1);
}
/* Infinite loop */
while(1)
{
}
}