346 lines
12 KiB
C
346 lines
12 KiB
C
/*
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* Original file:
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* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
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* All rights reserved.
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*
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* Port to Contiki:
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* Copyright (c) 2013, ADVANSEE - http://www.advansee.com/
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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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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \addtogroup cc2538-examples
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* @{
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*
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* \defgroup cc2538-ccm-test cc2538dk AES-CCM Test Project
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*
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* AES-CCM access example for CC2538 on SmartRF06EB.
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*
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* This example shows how AES-CCM should be used. The example also verifies
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* the AES-CCM functionality.
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*
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* @{
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*
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* \file
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* Example demonstrating AES-CCM on the cc2538dk platform
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*/
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#include "contiki.h"
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#include "sys/rtimer.h"
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#include "dev/rom-util.h"
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#include "dev/ccm.h"
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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PROCESS(ccm_test_process, "ccm test process");
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AUTOSTART_PROCESSES(&ccm_test_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(ccm_test_process, ev, data)
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{
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static const char *const str_res[] = {
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"success",
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"invalid param",
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"NULL error",
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"DMA bus error",
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"keystore read error",
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"keystore write error",
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"authentication failed"
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};
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static struct {
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bool encrypt;
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uint8_t len_len;
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uint8_t key[16];
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uint8_t key_area;
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uint8_t nonce[13];
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uint8_t adata[26];
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uint16_t adata_len;
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uint8_t mdata[24];
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uint16_t mdata_len;
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uint8_t mic[8];
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uint8_t mic_len;
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uint8_t expected[24];
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} vectors[] = {
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{
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true, /* encrypt */
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2, /* len_len */
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{ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* key */
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0, /* key_area */
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{ 0x00, 0x00, 0xf0, 0xe0, 0xd0, 0xc0, 0xb0, 0xa0,
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0x00, 0x00, 0x00, 0x00, 0x05 }, /* nonce */
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{}, /* adata */
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0, /* adata_len */
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{ 0x14, 0xaa, 0xbb, 0x00, 0x00, 0x01, 0x02, 0x03,
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0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f }, /* mdata */
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20, /* mdata_len */
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{}, /* mic */
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0, /* mic_len */
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{ 0x92, 0xe8, 0xad, 0xca, 0x53, 0x81, 0xbf, 0xd0,
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0x5b, 0xdd, 0xf3, 0x61, 0x09, 0x09, 0x82, 0xe6,
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0x2c, 0x61, 0x01, 0x4e } /* expected */
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}, {
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true, /* encrypt */
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2, /* len_len */
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{ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
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0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf }, /* key */
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0, /* key_area */
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{ 0xac, 0xde, 0x48, 0x00, 0x00, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x05, 0x02 }, /* nonce */
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{ 0x08, 0xd0, 0x84, 0x21, 0x43, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x48, 0xde, 0xac, 0x02, 0x05, 0x00,
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0x00, 0x00, 0x55, 0xcf, 0x00, 0x00, 0x51, 0x52,
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0x53, 0x54 }, /* adata */
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26, /* adata_len */
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{}, /* mdata */
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0, /* mdata_len */
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
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8, /* mic_len */
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{ 0x22, 0x3b, 0xc1, 0xec, 0x84, 0x1a, 0xb5, 0x53 } /* expected */
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}, {
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true, /* encrypt */
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2, /* len_len */
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{ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* key */
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0, /* key_area */
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{ 0x00, 0x00, 0xf0, 0xe0, 0xd0, 0xc0, 0xb0, 0xa0,
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0x00, 0x00, 0x00, 0x00, 0x05 }, /* nonce */
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{ 0x69, 0x98, 0x03, 0x33, 0x63, 0xbb, 0xaa, 0x01,
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0x00, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x03 }, /* adata */
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15, /* adata_len */
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{ 0x14, 0xaa, 0xbb, 0x00, 0x00, 0x01, 0x02, 0x03,
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0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f }, /* mdata */
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20, /* mdata_len */
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{ 0x00, 0x00, 0x00, 0x00 }, /* mic */
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4, /* mic_len */
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{ 0x92, 0xe8, 0xad, 0xca, 0x53, 0x81, 0xbf, 0xd0,
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0x5b, 0xdd, 0xf3, 0x61, 0x09, 0x09, 0x82, 0xe6,
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0x2c, 0x61, 0x01, 0x4e, 0x7b, 0x34, 0x4f, 0x09 } /* expected */
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}, {
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false, /* decrypt */
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2, /* len_len */
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{ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* key */
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0, /* key_area */
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{ 0x00, 0x00, 0xf0, 0xe0, 0xd0, 0xc0, 0xb0, 0xa0,
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0x00, 0x00, 0x00, 0x00, 0x05 }, /* nonce */
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{}, /* adata */
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0, /* adata_len */
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{ 0x92, 0xe8, 0xad, 0xca, 0x53, 0x81, 0xbf, 0xd0,
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0x5b, 0xdd, 0xf3, 0x61, 0x09, 0x09, 0x82, 0xe6,
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0x2c, 0x61, 0x01, 0x4e }, /* mdata */
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20, /* mdata_len */
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{}, /* mic */
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0, /* mic_len */
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{ 0x14, 0xaa, 0xbb, 0x00, 0x00, 0x01, 0x02, 0x03,
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0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f } /* expected */
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}, {
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false, /* decrypt */
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2, /* len_len */
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{ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
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0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf }, /* key */
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0, /* key_area */
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{ 0xac, 0xde, 0x48, 0x00, 0x00, 0x00, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x05, 0x02 }, /* nonce */
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{ 0x08, 0xd0, 0x84, 0x21, 0x43, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x48, 0xde, 0xac, 0x02, 0x05, 0x00,
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0x00, 0x00, 0x55, 0xcf, 0x00, 0x00, 0x51, 0x52,
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0x53, 0x54 }, /* adata */
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26, /* adata_len */
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{ 0x22, 0x3b, 0xc1, 0xec, 0x84, 0x1a, 0xb5, 0x53 }, /* mdata */
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8, /* mdata_len */
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{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* mic */
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8, /* mic_len */
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{} /* expected */
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}, {
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false, /* decrypt */
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2, /* len_len */
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{ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* key */
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0, /* key_area */
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{ 0x00, 0x00, 0xf0, 0xe0, 0xd0, 0xc0, 0xb0, 0xa0,
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0x00, 0x00, 0x00, 0x00, 0x05 }, /* nonce */
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{ 0x69, 0x98, 0x03, 0x33, 0x63, 0xbb, 0xaa, 0x01,
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0x00, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x03 }, /* adata */
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15, /* adata_len */
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{ 0x92, 0xe8, 0xad, 0xca, 0x53, 0x81, 0xbf, 0xd0,
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0x5b, 0xdd, 0xf3, 0x61, 0x09, 0x09, 0x82, 0xe6,
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0x2c, 0x61, 0x01, 0x4e, 0x7b, 0x34, 0x4f, 0x09 }, /* mdata */
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24, /* mdata_len */
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{ 0x00, 0x00, 0x00, 0x00 }, /* mic */
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4, /* mic_len */
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{ 0x14, 0xaa, 0xbb, 0x00, 0x00, 0x01, 0x02, 0x03,
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0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
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0x0c, 0x0d, 0x0e, 0x0f } /* expected */
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}
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};
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static int i;
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static uint8_t ret;
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static rtimer_clock_t time, time2, total_time;
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PROCESS_BEGIN();
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puts("-----------------------------------------\n"
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"Initializing cryptoprocessor...");
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crypto_init();
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for(i = 0; i < sizeof(vectors) / sizeof(vectors[0]); i++) {
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printf("-----------------------------------------\n"
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"Test vector #%d: %s\n"
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"len_len=%d key_area=%d\n"
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"adata_len=%d mdata_len=%d mic_len=%d\n",
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i, vectors[i].encrypt ? "encrypt" : "decrypt",
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vectors[i].len_len, vectors[i].key_area,
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vectors[i].adata_len, vectors[i].mdata_len, vectors[i].mic_len);
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time = RTIMER_NOW();
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ret = aes_load_key(vectors[i].key, vectors[i].key_area);
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time = RTIMER_NOW() - time;
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total_time = time;
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printf("aes_load_key(): %s, %lu us\n", str_res[ret],
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(uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND));
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PROCESS_PAUSE();
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if(ret != CRYPTO_SUCCESS) {
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continue;
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}
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time = RTIMER_NOW();
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if(vectors[i].encrypt) {
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ret = ccm_auth_encrypt_start(vectors[i].len_len, vectors[i].key_area,
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vectors[i].nonce, vectors[i].adata,
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vectors[i].adata_len, vectors[i].mdata,
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vectors[i].mdata_len, vectors[i].mic_len);
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time2 = RTIMER_NOW();
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time = time2 - time;
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total_time += time;
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if(ret == CRYPTO_SUCCESS) {
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do {
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PROCESS_PAUSE();
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} while(!ccm_auth_encrypt_check_status());
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time2 = RTIMER_NOW() - time2;
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total_time += time2;
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}
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printf("ccm_auth_encrypt_start(): %s, %lu us\n", str_res[ret],
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(uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND));
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if(ret != CRYPTO_SUCCESS) {
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PROCESS_PAUSE();
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continue;
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}
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printf("ccm_auth_encrypt_check_status() wait: %lu us\n",
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(uint32_t)((uint64_t)time2 * 1000000 / RTIMER_SECOND));
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time = RTIMER_NOW();
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ret = ccm_auth_encrypt_get_result(vectors[i].mic, vectors[i].mic_len);
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time = RTIMER_NOW() - time;
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total_time += time;
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printf("ccm_auth_encrypt_get_result(): %s, %lu us\n", str_res[ret],
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(uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND));
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PROCESS_PAUSE();
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if(ret != CRYPTO_SUCCESS) {
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continue;
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}
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if(rom_util_memcmp(vectors[i].mdata, vectors[i].expected,
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vectors[i].mdata_len)) {
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puts("Encrypted message does not match expected one");
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} else {
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puts("Encrypted message OK");
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}
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if(rom_util_memcmp(vectors[i].mic,
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vectors[i].expected + vectors[i].mdata_len,
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vectors[i].mic_len)) {
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puts("MIC does not match expected one");
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} else {
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puts("MIC OK");
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}
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} else {
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ret = ccm_auth_decrypt_start(vectors[i].len_len, vectors[i].key_area,
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vectors[i].nonce, vectors[i].adata,
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vectors[i].adata_len, vectors[i].mdata,
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vectors[i].mdata_len, vectors[i].mic_len);
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time2 = RTIMER_NOW();
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time = time2 - time;
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total_time += time;
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if(ret == CRYPTO_SUCCESS) {
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do {
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PROCESS_PAUSE();
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} while(!ccm_auth_decrypt_check_status());
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time2 = RTIMER_NOW() - time2;
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total_time += time2;
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}
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printf("ccm_auth_decrypt_start(): %s, %lu us\n", str_res[ret],
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(uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND));
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if(ret != CRYPTO_SUCCESS) {
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PROCESS_PAUSE();
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continue;
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}
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printf("ccm_auth_decrypt_check_status() wait: %lu us\n",
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(uint32_t)((uint64_t)time2 * 1000000 / RTIMER_SECOND));
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time = RTIMER_NOW();
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ret = ccm_auth_decrypt_get_result(vectors[i].mdata, vectors[i].mdata_len,
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vectors[i].mic, vectors[i].mic_len);
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time = RTIMER_NOW() - time;
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total_time += time;
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printf("ccm_auth_decrypt_get_result(): %s, %lu us\n", str_res[ret],
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(uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND));
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PROCESS_PAUSE();
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if(ret != CRYPTO_SUCCESS) {
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continue;
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}
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if(rom_util_memcmp(vectors[i].mdata, vectors[i].expected,
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vectors[i].mdata_len - vectors[i].mic_len)) {
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puts("Decrypted message does not match expected one");
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} else {
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puts("Decrypted message OK");
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}
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}
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printf("Total duration: %lu us\n",
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(uint32_t)((uint64_t)total_time * 1000000 / RTIMER_SECOND));
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}
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puts("-----------------------------------------\n"
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"Disabling cryptoprocessor...");
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crypto_disable();
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puts("Done!");
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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* @}
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*/
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