int aes_cypher(void *out, const void *in, uint32_t size, const void *iv,
const void *key, uint32_t keysize, int mode, int encrypt)
{
int ret = OK;
if ((size & (AES_BLOCK_SIZE-1)) != 0)
{
return -EINVAL;
}
if (keysize != 16)
{
return -EINVAL;
}
ret = sem_wait(&aes_lock);
if (ret < 0)
{
return ret;
}
/* AES must be disabled before changing mode, key or IV. */
aes_enable(false);
ret = aes_setup_cr(mode, encrypt);
if (ret < 0)
{
goto out;
}
aes_setkey(key, keysize);
if (iv)
{
aes_setiv(iv);
}
aes_enable(true);
while (size)
{
aes_encryptblock(out, in);
out = (uint8_t *)out + AES_BLOCK_SIZE;
in = (uint8_t *)in + AES_BLOCK_SIZE;
size -= AES_BLOCK_SIZE;
}
aes_enable(false);
out:
sem_post(&aes_lock);
return ret;
}
/**
* \brief The main function.
*/
int main(void)
{
//! [setup_init]
/* Initialize the system and console*/
system_init();
configure_usart();
//! [setup_config]
aes_get_config_defaults(&g_aes_cfg);
//! [setup_config]
//! [setup_config_defaults]
aes_init(&aes_instance,AES, &g_aes_cfg);
//! [setup_config_defaults]
//! [module_enable]
aes_enable(&aes_instance);
//! [module_enable]
//! [setup_init]
//! [encryption_decryption]
/* Run ECB mode test*/
ecb_mode_test();
//! [encryption_decryption]
while (true) {
/* Infinite loop */
}
}
/**
* \brief Run AES driver unit tests.
*/
int main(void)
{
const usart_serial_options_t usart_serial_options = {
.baudrate = CONF_TEST_BAUDRATE,
.charlength = CONF_TEST_CHARLENGTH,
.paritytype = CONF_TEST_PARITY,
.stopbits = CONF_TEST_STOPBITS
};
sysclk_init();
board_init();
stdio_serial_init(CONF_TEST_USART, &usart_serial_options);
/* Enable the AES module. */
aes_get_config_defaults(&g_aes_cfg);
aes_init(&g_aes_inst, AESA, &g_aes_cfg);
aes_enable(&g_aes_inst);
/* Enable AES interrupt. */
aes_set_callback(&g_aes_inst, AES_INTERRUPT_INPUT_BUFFER_READY,
aes_callback, 1);
/* Define all the test cases. */
DEFINE_TEST_CASE(ecb_mode_test, NULL, run_ecb_mode_test, NULL,
"SAM AES ECB mode encryption and decryption test.");
DEFINE_TEST_CASE(cbc_mode_test, NULL, run_cbc_mode_test, NULL,
"SAM AES CBC mode encryption and decryption test.");
DEFINE_TEST_CASE(cfb128_mode_test, NULL, run_cfb128_mode_test, NULL,
"SAM AES CFB128 mode encryption and decryption test.");
DEFINE_TEST_CASE(ofb_mode_test, NULL, run_ofb_mode_test, NULL,
"SAM AES OFB mode encryption and decryption test.");
DEFINE_TEST_CASE(ctr_mode_test, NULL, run_ctr_mode_test, NULL,
"SAM AES CTR mode encryption and decryption test.");
DEFINE_TEST_CASE(ecb_mode_test_pdca, NULL, run_ecb_mode_test_pdca, NULL,
"SAM AES ECB mode encryption and decryption with PDCA test.");
/* Put test case addresses in an array. */
DEFINE_TEST_ARRAY(aes_tests) = {
&ecb_mode_test,
&cbc_mode_test,
&cfb128_mode_test,
&ofb_mode_test,
&ctr_mode_test,
&ecb_mode_test_pdca,
};
/* Define the test suite. */
DEFINE_TEST_SUITE(aes_suite, aes_tests, "SAM AES driver test suite");
/* Run all tests in the test suite. */
test_suite_run(&aes_suite);
while (1) {
/* Busy-wait forever. */
}
}
int up_aesuninitialize(void)
{
uint32_t regval;
aes_enable(false);
regval = getreg32(STM32_RCC_AHBENR);
regval &= ~RCC_AHBENR_AESEN;
putreg32(regval, STM32_RCC_AHBENR);
sem_destroy(&aes_lock);
return OK;
}
int up_aesinitialize(void)
{
uint32_t regval;
sem_init(&aes_lock, 0, 1);
regval = getreg32(STM32_RCC_AHBENR);
regval |= RCC_AHBENR_AESEN;
putreg32(regval, STM32_RCC_AHBENR);
aes_enable(false);
return OK;
}
/**
* \brief The main function.
*/
int main(void)
{
uint8_t key;
/* Initialize the SAM system */
sysclk_init();
board_init();
/* Initialize the console */
configure_console();
/* Output example information */
printf("-- AES Example --\r\n");
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/* Enable the AES module. */
aes_get_config_defaults(&g_aes_cfg);
aes_init(AES, &g_aes_cfg);
aes_enable();
/* Enable AES interrupt. */
aes_enable_interrupt(AES, AES_INTERRUPT_DATA_READY);
/* Display menu */
display_menu();
while (1) {
scanf("%c", (char *)&key);
switch (key) {
case 'h':
display_menu();
break;
case 'e':
printf("GCM mode encryption test.\r\n");
gcm_mode_encryption_test();
break;
case 'd':
printf("GCM mode decryption test.\r\n");
gcm_mode_decryption_test();
break;
default:
break;
}
}
}
/**
* \brief The main function.
*/
int main(void)
{
//! [setup_init]
/* Initialize the system and console*/
system_init();
configure_usart();
//! [setup_config]
aes_get_config_defaults(&g_aes_cfg);
//! [setup_config]
//! [setup_config_defaults]
aes_init(&aes_instance,AES, &g_aes_cfg);
//! [setup_config_defaults]
//! [module_enable]
aes_enable(&aes_instance);
//! [module_enable]
//! [module_enable_register]
/* Enable AES interrupt. */
aes_register_callback(aes_callback,AES_CALLBACK_ENCRYPTION_COMPLETE);
aes_enable_callback(&aes_instance,AES_CALLBACK_ENCRYPTION_COMPLETE);
//! [module_enable_register]
//! [setup_init]
printf("Start test\r\n");
//! [encryption_decryption]
//![ECB_MODE]
ecb_mode_test();
//![ECB_MODE]
//![CBC_MODE]
cbc_mode_test();
//![CBC_MODE]
//![CFB_MODE]
cfb128_mode_test();
//![CFB_MODE]
//![OFB_MODE]
ofb_mode_test();
//![OFB_MODE]
//![CTR_MODE]
ctr_mode_test();
//![CTR_MODE]
//! [encryption_decryption]
while(1) ;
}
/**
* \brief Run AES driver unit tests.
*/
int main(void)
{
/* Initialize the system and console*/
system_init();
configure_usart();
/*Initialize the delay driver*/
delay_init();
/* Enable the AES module. */
aes_get_config_defaults(&g_aes_cfg);
aes_init(&aes_instance,AES, &g_aes_cfg);
aes_enable(&aes_instance);
/* Define all the test cases. */
DEFINE_TEST_CASE(ecb_mode_test, NULL, run_ecb_mode_test, NULL,
"SAM AES ECB mode encryption and decryption test.");
DEFINE_TEST_CASE(cbc_mode_test, NULL, run_cbc_mode_test, NULL,
"SAM AES CBC mode encryption and decryption test.");
DEFINE_TEST_CASE(cfb128_mode_test, NULL, run_cfb128_mode_test, NULL,
"SAM AES CFB128 mode encryption and decryption test.");
DEFINE_TEST_CASE(ofb_mode_test, NULL, run_ofb_mode_test, NULL,
"SAM AES OFB mode encryption and decryption test.");
DEFINE_TEST_CASE(ctr_mode_test, NULL, run_ctr_mode_test, NULL,
"SAM AES CTR mode encryption and decryption test.");
DEFINE_TEST_CASE(ecb_mode_test_dma, NULL, run_ecb_mode_test_dma, NULL,
"SAM AES ECB mode encryption and decryption with DMA test.");
/* Put test case addresses in an array. */
DEFINE_TEST_ARRAY(aes_tests) = {
&ecb_mode_test,
&cbc_mode_test,
&cfb128_mode_test,
&ofb_mode_test,
&ctr_mode_test,
&ecb_mode_test_dma,
};
/* Define the test suite. */
DEFINE_TEST_SUITE(aes_suite, aes_tests, "SAM AES driver test suite");
/* Run all tests in the test suite. */
test_suite_run(&aes_suite);
while (1) {
/* Busy-wait forever. */
}
}
/**
* \brief The main function.
*/
int main(void)
{
//! [setup_init]
/* Initialize the system and console*/
system_init();
configure_usart();
//! [setup_dma]
/* Configure AES DMA and enable callback */
configure_dma_aes_wr();
configure_dma_aes_rd();
dma_register_callback(&example_resource_tx, transfer_tx_rx_done,
DMA_CALLBACK_TRANSFER_DONE);
dma_enable_callback(&example_resource_tx, DMA_CALLBACK_TRANSFER_DONE);
dma_register_callback(&example_resource_rx, transfer_tx_rx_done,
DMA_CALLBACK_TRANSFER_DONE);
dma_enable_callback(&example_resource_rx, DMA_CALLBACK_TRANSFER_DONE);
//! [setup_dma]
//! [setup_config]
aes_get_config_defaults(&g_aes_cfg);
//! [setup_config]
//! [setup_config_defaults]
aes_init(&aes_instance,AES, &g_aes_cfg);
//! [setup_config_defaults]
//! [module_enable]
aes_enable(&aes_instance);
//! [module_enable]
//! [setup_init]
//! [encryption_decryption]
/* ECB mode encryption test with DMA */
ecb_mode_test_dma();
//! [encryption_decryption]
while(1) ;
}
/**
* \brief The main function.
*/
int main(void)
{
uint8_t key;
/* Initialize the SAM system */
sysclk_init();
board_init();
/* Initialize the console */
configure_console();
/* Output example information */
printf("-- AES Example --\r\n");
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/* Enable the AES module. */
aes_get_config_defaults(&g_aes_cfg);
aes_init(&g_aes_inst, AESA, &g_aes_cfg);
aes_enable(&g_aes_inst);
/* Enable AES interrupt. */
aes_set_callback(&g_aes_inst, AES_INTERRUPT_INPUT_BUFFER_READY,
aes_callback, 1);
/* Display menu */
display_menu();
while (1) {
scanf("%c", (char *)&key);
switch (key) {
case 'h':
display_menu();
break;
case '1':
printf("ECB mode encryption and decryption test.\r\n");
ecb_mode_test();
break;
case '2':
printf("CBC mode encryption and decryption test.\r\n");
cbc_mode_test();
break;
case '3':
printf("CFB128 mode encryption and decryption test.\r\n");
cfb128_mode_test();
break;
case '4':
printf("OFB mode encryption and decryption test.\r\n");
ofb_mode_test();
break;
case '5':
printf("CTR mode encryption and decryption test.\r\n");
ctr_mode_test();
break;
case 'd':
printf("ECB mode encryption and decryption test with PDCA.\r\n");
ecb_mode_test_pdca();
break;
default:
break;
}
}
}
