osd-contiki/examples/avr-rss2/AES128HW_test/AES128HW_test.c

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/*
* Copyright (c) 2017, Robert Olsson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* Author : Robert Olsson
* roolss@kth.se & robert@radio-sensors.com
* Created : 2017-04-22
*/
/**
* \file
* A simple AES128 crypto emmgine test for Atmel radios
*/
#include "contiki.h"
#include "dev/radio.h"
#include "net/netstack.h"
#include "sys/etimer.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "rf230bb.h"
PROCESS(aes_crypto_process, "AES HW crypto process");
AUTOSTART_PROCESSES(&aes_crypto_process);
unsigned char aes_key[16] = "abcdefghijklmnop";
unsigned char aes_p[128];
unsigned char aes_c[128];
unsigned char aes_s[128];
unsigned char tmp[16];
uint8_t i;
int res;
PROCESS_THREAD(aes_crypto_process, ev, data)
{
PROCESS_BEGIN();
/* AES engine on */
NETSTACK_RADIO.on();
strcpy((char *)aes_s, "Teststring______");
for(i = 0; i < 16; i++) {
printf("%02X", aes_s[i]);
}
printf(" Uncrypted \n");
res = rf230_aes_encrypt_ebc(aes_key, aes_s, aes_c);
if(!res) {
printf("ERR encryption\n");
exit(0);
}
for(i = 0; i < 16; i++) {
printf("%02X", aes_c[i]);
}
printf(" AES-128 EBC Crypted\n");
res = rf230_aes_decrypt_ebc(aes_key, aes_c, aes_p);
if(!res) {
printf("ERR decryption\n");
exit(0);
}
for(i = 0; i < 16; i++) {
printf("%02X", aes_p[i]);
}
printf(" Decrypted \n");
res = rf230_aes_encrypt_cbc(aes_key, aes_s, sizeof(aes_s), aes_c);
if(!res) {
printf("ERR encryption\n");
exit(0);
}
for(i = 0; i < 16; i++) {
printf("%02X", aes_c[i]);
}
printf(" AES-128 MIC\n");
PROCESS_END();
}