Example project for Atmel radio AES128 cryto engine
Robert Olsson
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/*
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* Copyright (c) 2015, Copyright Robert Olsson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author : Robert Olsson
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* roolss@kth.se & robert@radio-sensors.com
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* Created : 2017-04-22
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*/
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/**
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* \file
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* A simple AES128 crypto emmgine test for Atmel radios
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*/
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#include "contiki.h"
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#include "dev/radio.h"
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#include "net/netstack.h"
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#include "sys/etimer.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "rf230bb.h"
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PROCESS(aes_crypto_process, "AES HW crypto process");
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AUTOSTART_PROCESSES(&aes_crypto_process);
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unsigned char aes_key[16] = "abcdefghijklmnop";
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unsigned char aes_p[128];
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unsigned char aes_c[128];
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unsigned char aes_s[128];
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unsigned char tmp[16];
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uint8_t i;
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int res;
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PROCESS_THREAD(aes_crypto_process, ev, data)
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{
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PROCESS_BEGIN();
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/* AES engine on */
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NETSTACK_RADIO.on();
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strcpy((char *)aes_s, "Teststring______");
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for(i = 0; i < 16; i++) {
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printf("%02X", aes_s[i]);
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}
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printf(" Uncrypted \n");
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res = rf230_aes_encrypt_ebc(aes_key, aes_s, aes_c);
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if(!res) {
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printf("ERR encryption\n");
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exit(0);
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}
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for(i = 0; i < 16; i++) {
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printf("%02X", aes_c[i]);
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}
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printf(" AES-128 EBC Crypted\n");
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res = rf230_aes_decrypt_ebc(aes_key, aes_c, aes_p);
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if(!res) {
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printf("ERR decryption\n");
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exit(0);
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}
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for(i = 0; i < 16; i++) {
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printf("%02X", aes_p[i]);
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}
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printf(" Decrypted \n");
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res = rf230_aes_encrypt_cbc(aes_key, aes_s, sizeof(aes_s), aes_c);
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if(!res) {
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printf("ERR encryption\n");
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exit(0);
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}
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for(i = 0; i < 16; i++) {
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printf("%02X", aes_c[i]);
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}
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printf(" AES-128 MIC\n");
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PROCESS_END();
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}
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CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
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CONTIKI_PROJECT = AES128HW_test
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all: $(CONTIKI_PROJECT)
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# We use floating vars. Add library.
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PRINTF_LIB_FLT = -Wl,-u,vfprintf -lprintf_flt -lm
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PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
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PRINTF_LIB = $(PRINTF_LIB_FLT)
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CLIBS = $(PRINTF_LIB)
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CUSTOM_RULE_LINK = 1
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%.$(TARGET): %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a
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$(LD) $(LDFLAGS) $(TARGET_STARTFILES) ${filter-out %.a,$^} ${filter %.a,$^} $(TARGET_LIBFILES) -o $@ $(CLIBS)
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CONTIKI_WITH_RIME = 1
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CONTIKI = ../../..
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include $(CONTIKI)/Makefile.include
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AES128HW_test
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=============
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Scope
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-----
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Simple demo to use the AES crypto engine in the Atmel radios.
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Build
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-----
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make TARGET=avr-rss2
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Program output
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--------------
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*******Booting Contiki-3.x-3252-g0783591*******
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I2C: AT24MAC
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MAC address 7d:c2:
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PAN=0xABCD, MAC=nullmac, RDC=nullrdc, NETWORK=Rime, channel=26, check-rate-Hz=128, tx-power=0
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Routing Enabled
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54657374737472696E675F5F5F5F5F5F Uncrypted
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6FDE14E8F9453C6714B7B45B24876CBF AES-128 EBC Crypted
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54657374737472696E675F5F5F5F5F5F Decrypted
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215C9836DCDB443F15AFED576E9F7F72 AES-128 MIC
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@ -0,0 +1,47 @@
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/*
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* Copyright (c) 2015, Copyright Robert Olsson / Radio Sensors AB
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
|
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*
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* This file is part of the Contiki operating system.
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*
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*
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* Author : Robert Olsson robert@radio-sensors.com
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* Created : 2017-04-22
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*/
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/**
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* \file
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* Project specific configuration defines for example
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*
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*/
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#ifndef PROJECT_CONF_H_
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#define PROJECT_CONF_H_
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#define AES_128_HW_CONF 1
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#endif /* PROJECT_CONF_H_ */
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