Example project for Atmel radio AES128 cryto engine

examples/avr-rss2/AES128HW_test/AES128HW_test.c

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+/*
+ * Copyright (c) 2015, Copyright 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();
+}
+

examples/avr-rss2/AES128HW_test/Makefile

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+CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
+CONTIKI_PROJECT = AES128HW_test
+all: $(CONTIKI_PROJECT)
+
+# We use floating vars. Add library.
+PRINTF_LIB_FLT  = -Wl,-u,vfprintf -lprintf_flt -lm
+PRINTF_LIB_MIN  = -Wl,-u,vfprintf -lprintf_min
+PRINTF_LIB      = $(PRINTF_LIB_FLT)
+CLIBS           = $(PRINTF_LIB) 
+
+CUSTOM_RULE_LINK = 1
+%.$(TARGET): %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a 
+	$(LD) $(LDFLAGS) $(TARGET_STARTFILES) ${filter-out %.a,$^} ${filter %.a,$^} $(TARGET_LIBFILES) -o $@ $(CLIBS)
+
+CONTIKI_WITH_RIME = 1
+
+CONTIKI = ../../..
+include $(CONTIKI)/Makefile.include

examples/avr-rss2/AES128HW_test/README.md

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+AES128HW_test
+=============
+
+Scope
+-----
+Simple demo to use the AES crypto engine in the Atmel radios.
+
+Build
+-----
+make TARGET=avr-rss2
+
+Program output
+--------------
+*******Booting Contiki-3.x-3252-g0783591*******
+I2C: AT24MAC
+MAC address 7d:c2:
+PAN=0xABCD, MAC=nullmac, RDC=nullrdc, NETWORK=Rime, channel=26, check-rate-Hz=128, tx-power=0
+Routing Enabled
+
+54657374737472696E675F5F5F5F5F5F Uncrypted 
+6FDE14E8F9453C6714B7B45B24876CBF AES-128 EBC Crypted
+54657374737472696E675F5F5F5F5F5F Decrypted 
+215C9836DCDB443F15AFED576E9F7F72 AES-128 MIC
+

examples/avr-rss2/AES128HW_test/project-conf.h

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+/*
+ * Copyright (c) 2015, Copyright Robert Olsson / Radio Sensors AB  
+ * 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 robert@radio-sensors.com
+ * Created : 2017-04-22
+ */
+
+/**
+ * \file
+ *         Project specific configuration defines for example
+ *
+ */
+
+#ifndef PROJECT_CONF_H_
+#define PROJECT_CONF_H_
+
+#define AES_128_HW_CONF 1
+
+#endif /* PROJECT_CONF_H_ */