139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
/*
|
|
ChibiOS - Copyright (C) 2016..2018 Theodore Ateba
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
#include "ch.h"
|
|
#include "hal.h"
|
|
#include "chprintf.h"
|
|
|
|
BaseSequentialStream *chp = (BaseSequentialStream *) &SD1;
|
|
|
|
// Key to use during the Encryption.
|
|
uint8_t key[AES_BLOCK_SIZE] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
|
0x08, 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15};
|
|
// Data to encrypt.
|
|
uint8_t data[AES_BLOCK_SIZE] = { 0x08, 0x04, 0x02, 0x01, 0x08, 0x04, 0x02, 0x01,
|
|
0x08, 0x04, 0x12, 0x11, 0x18, 0x14, 0x12, 0x11};
|
|
uint8_t data_encrypted[AES_BLOCK_SIZE] = {0};
|
|
uint8_t data_decrypted[AES_BLOCK_SIZE] = {0};
|
|
cryerror_t res;
|
|
uint8_t tkey = 0; // Transient key
|
|
|
|
static const CRYConfig cryConfig = {
|
|
FALSE, /* No Auto start feature. */
|
|
FALSE /* No XOR feature. */
|
|
};
|
|
|
|
/**
|
|
* @brief Blink thread.
|
|
*/
|
|
static THD_WORKING_AREA(waThread1, 32);
|
|
static THD_FUNCTION(Thread1, arg) {
|
|
|
|
(void)arg;
|
|
chRegSetThreadName("Blinker");
|
|
|
|
while (true) {
|
|
palClearPad(IOPORT5, PORTE_LED);
|
|
chThdSleepMilliseconds(1000);
|
|
palSetPad(IOPORT5, PORTE_LED);
|
|
chThdSleepMilliseconds(100);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Application entry point.
|
|
*/
|
|
int main(void) {
|
|
|
|
uint8_t i;
|
|
|
|
/*
|
|
* System initializations.
|
|
* - HAL initialization, this also initializes the configured device drivers
|
|
* and performs the board-specific initializations.
|
|
* - Kernel initialization, the main() function becomes a thread and the
|
|
* RTOS is active.
|
|
*/
|
|
halInit();
|
|
chSysInit();
|
|
|
|
palClearPad(IOPORT5, PORTE_LED);
|
|
|
|
/*
|
|
* Configure TX (PINC3) and RX (PIN2) for the USART1.
|
|
*/
|
|
palSetPadMode(IOPORT3, PIN3, PAL_MODE_OUTPUT_PUSHPULL);
|
|
palSetPadMode(IOPORT3, PIN2, PAL_MODE_INPUT_PULLUP);
|
|
|
|
/*
|
|
* Start the Serial driver 1 by using the default configuration.
|
|
*/
|
|
sdStart(&SD1, NULL);
|
|
|
|
chprintf(chp, "\r\nChibiOS on XMEGA 128U4A.\r\n");
|
|
chprintf(chp, "This program is using trunk branch of the svn repo.\r\n");
|
|
chprintf(chp, "AES Encryption/Decryption testhal demo.\r\n");
|
|
chprintf(chp, "Example started...\r\n");
|
|
|
|
cryStart(&CRYD1, &cryConfig);
|
|
|
|
res = cryLoadTransientKey(&CRYD1, (cryalgorithm_t) cry_algo_aes,16, key);
|
|
|
|
res = cryEncryptAES(&CRYD1, tkey, data, data_encrypted);
|
|
if (res != CRY_NOERROR) {
|
|
chprintf(chp, "Encryption of data failed.\r\n");
|
|
while (true) {
|
|
chThdSleepMilliseconds(100);
|
|
}
|
|
}
|
|
else {
|
|
chprintf(chp, "Encryption done.\r\n");
|
|
}
|
|
|
|
res = cryDecryptAES(&CRYD1, tkey, data_encrypted, data_decrypted);
|
|
if (res != CRY_NOERROR) {
|
|
chprintf(chp, "Decryption of data failed.\r\n");
|
|
while (true) {
|
|
chThdSleepMilliseconds(100);
|
|
}
|
|
}
|
|
else {
|
|
chprintf(chp, "Decryption done.\r\n");
|
|
}
|
|
|
|
// Check if decrypted answer is equal to plaintext.
|
|
for (i = 0; i < AES_BLOCK_SIZE ; i++ ) {
|
|
if (data[i] != data_decrypted[i]) {
|
|
chprintf(chp, "Decrypted data is not equal to data.\r\n");
|
|
while (true) {
|
|
chThdSleepMilliseconds(100);
|
|
}
|
|
}
|
|
}
|
|
chprintf(chp, "Example ends up every thing is ok.\r\n");
|
|
|
|
/*
|
|
* Starts the LED blinker thread.
|
|
*/
|
|
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
|
|
|
|
while (true) {
|
|
chThdSleepMilliseconds(100);
|
|
}
|
|
|
|
return 0;
|
|
}
|