353 lines
14 KiB
C
353 lines
14 KiB
C
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/*
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* Copyright (c) 2015, Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.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-ctr-test cc2538dk AES-CTR Test Project
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*
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* AES-CTR access example for CC2538 on SmartRF06EB.
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*
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* This example shows how AES-CTR should be used. The example also verifies
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* the AES-CTR 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-CTR 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/ctr.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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#define NONCE_MAX_LEN 0
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#define ICTR_MAX_LEN 16
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#define MDATA_MAX_LEN 64
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/*---------------------------------------------------------------------------*/
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PROCESS(ctr_test_process, "ctr test process");
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AUTOSTART_PROCESSES(&ctr_test_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(ctr_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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"resource in use",
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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 const uint8_t keys128[][128 / 8] = {
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{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
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0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c }
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};
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static const uint8_t keys192[][192 / 8] = {
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{ 0x8e, 0x73, 0xb0, 0xf7, 0xda, 0x0e, 0x64, 0x52,
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0xc8, 0x10, 0xf3, 0x2b, 0x80, 0x90, 0x79, 0xe5,
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0x62, 0xf8, 0xea, 0xd2, 0x52, 0x2c, 0x6b, 0x7b }
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};
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static const uint8_t keys256[][256 / 8] = {
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{ 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe,
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0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
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0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7,
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0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4 }
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};
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static const struct {
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const void *keys;
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uint8_t key_size;
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uint8_t count;
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} keys[] = {
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{ keys128, AES_KEY_STORE_SIZE_KEY_SIZE_128,
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sizeof(keys128) / sizeof(keys128[0]) },
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{ keys192, AES_KEY_STORE_SIZE_KEY_SIZE_192,
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sizeof(keys192) / sizeof(keys192[0]) },
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{ keys256, AES_KEY_STORE_SIZE_KEY_SIZE_256,
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sizeof(keys256) / sizeof(keys256[0]) }
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};
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static const struct {
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bool encrypt;
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uint8_t key_size_index;
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uint8_t key_area;
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uint8_t nonce[NONCE_MAX_LEN];
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uint8_t ictr[ICTR_MAX_LEN];
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uint8_t ctr_len;
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uint8_t mdata[MDATA_MAX_LEN];
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uint16_t mdata_len;
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uint8_t expected[MDATA_MAX_LEN];
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} vectors[] = {
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{
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true, /* encrypt */
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0, /* key_size_index */
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0, /* key_area */
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{}, /* nonce */
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{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
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16, /* ctr_len */
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{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
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0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
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0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
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0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
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0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
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0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
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0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
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0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, /* mdata */
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64, /* mdata_len */
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{ 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26,
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0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce,
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0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff,
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0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff,
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0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e,
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0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab,
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0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1,
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0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee } /* expected */
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}, {
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false, /* encrypt */
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0, /* key_size_index */
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0, /* key_area */
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{}, /* nonce */
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{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
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16, /* ctr_len */
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{ 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26,
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0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce,
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0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff,
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0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff,
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0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e,
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0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab,
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0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1,
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0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee }, /* mdata */
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64, /* mdata_len */
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{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
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0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
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0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
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0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
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0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
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0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
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0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
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0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 } /* expected */
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}, {
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true, /* encrypt */
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1, /* key_size_index */
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0, /* key_area */
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{}, /* nonce */
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{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
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16, /* ctr_len */
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{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
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0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
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0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
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0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
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0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
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0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
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0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
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0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, /* mdata */
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64, /* mdata_len */
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{ 0x1a, 0xbc, 0x93, 0x24, 0x17, 0x52, 0x1c, 0xa2,
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0x4f, 0x2b, 0x04, 0x59, 0xfe, 0x7e, 0x6e, 0x0b,
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0x09, 0x03, 0x39, 0xec, 0x0a, 0xa6, 0xfa, 0xef,
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0xd5, 0xcc, 0xc2, 0xc6, 0xf4, 0xce, 0x8e, 0x94,
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0x1e, 0x36, 0xb2, 0x6b, 0xd1, 0xeb, 0xc6, 0x70,
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0xd1, 0xbd, 0x1d, 0x66, 0x56, 0x20, 0xab, 0xf7,
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0x4f, 0x78, 0xa7, 0xf6, 0xd2, 0x98, 0x09, 0x58,
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0x5a, 0x97, 0xda, 0xec, 0x58, 0xc6, 0xb0, 0x50 } /* expected */
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}, {
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false, /* encrypt */
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1, /* key_size_index */
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0, /* key_area */
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{}, /* nonce */
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{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
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16, /* ctr_len */
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{ 0x1a, 0xbc, 0x93, 0x24, 0x17, 0x52, 0x1c, 0xa2,
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0x4f, 0x2b, 0x04, 0x59, 0xfe, 0x7e, 0x6e, 0x0b,
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0x09, 0x03, 0x39, 0xec, 0x0a, 0xa6, 0xfa, 0xef,
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0xd5, 0xcc, 0xc2, 0xc6, 0xf4, 0xce, 0x8e, 0x94,
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0x1e, 0x36, 0xb2, 0x6b, 0xd1, 0xeb, 0xc6, 0x70,
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0xd1, 0xbd, 0x1d, 0x66, 0x56, 0x20, 0xab, 0xf7,
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0x4f, 0x78, 0xa7, 0xf6, 0xd2, 0x98, 0x09, 0x58,
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0x5a, 0x97, 0xda, 0xec, 0x58, 0xc6, 0xb0, 0x50 }, /* mdata */
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64, /* mdata_len */
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{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
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0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
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0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
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0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
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0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
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0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
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0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
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0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 } /* expected */
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}, {
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true, /* encrypt */
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2, /* key_size_index */
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0, /* key_area */
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{}, /* nonce */
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{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
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16, /* ctr_len */
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{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
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0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
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0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
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0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
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0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
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0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
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0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
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0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 }, /* mdata */
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64, /* mdata_len */
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{ 0x60, 0x1e, 0xc3, 0x13, 0x77, 0x57, 0x89, 0xa5,
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0xb7, 0xa7, 0xf5, 0x04, 0xbb, 0xf3, 0xd2, 0x28,
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0xf4, 0x43, 0xe3, 0xca, 0x4d, 0x62, 0xb5, 0x9a,
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0xca, 0x84, 0xe9, 0x90, 0xca, 0xca, 0xf5, 0xc5,
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0x2b, 0x09, 0x30, 0xda, 0xa2, 0x3d, 0xe9, 0x4c,
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0xe8, 0x70, 0x17, 0xba, 0x2d, 0x84, 0x98, 0x8d,
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0xdf, 0xc9, 0xc5, 0x8d, 0xb6, 0x7a, 0xad, 0xa6,
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0x13, 0xc2, 0xdd, 0x08, 0x45, 0x79, 0x41, 0xa6 } /* expected */
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}, {
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false, /* encrypt */
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2, /* key_size_index */
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0, /* key_area */
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{}, /* nonce */
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{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
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0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }, /* ictr */
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16, /* ctr_len */
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{ 0x60, 0x1e, 0xc3, 0x13, 0x77, 0x57, 0x89, 0xa5,
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0xb7, 0xa7, 0xf5, 0x04, 0xbb, 0xf3, 0xd2, 0x28,
|
||
|
|
0xf4, 0x43, 0xe3, 0xca, 0x4d, 0x62, 0xb5, 0x9a,
|
||
|
|
0xca, 0x84, 0xe9, 0x90, 0xca, 0xca, 0xf5, 0xc5,
|
||
|
|
0x2b, 0x09, 0x30, 0xda, 0xa2, 0x3d, 0xe9, 0x4c,
|
||
|
|
0xe8, 0x70, 0x17, 0xba, 0x2d, 0x84, 0x98, 0x8d,
|
||
|
|
0xdf, 0xc9, 0xc5, 0x8d, 0xb6, 0x7a, 0xad, 0xa6,
|
||
|
|
0x13, 0xc2, 0xdd, 0x08, 0x45, 0x79, 0x41, 0xa6 }, /* mdata */
|
||
|
|
64, /* mdata_len */
|
||
|
|
{ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
|
||
|
|
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
|
||
|
|
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
|
||
|
|
0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
|
||
|
|
0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
|
||
|
|
0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
|
||
|
|
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
|
||
|
|
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 } /* expected */
|
||
|
|
}
|
||
|
|
};
|
||
|
|
static uint8_t mdata[MDATA_MAX_LEN];
|
||
|
|
static int i;
|
||
|
|
static uint8_t key_size_index = -1, ret;
|
||
|
|
static int8_t res;
|
||
|
|
static rtimer_clock_t time, time2, total_time;
|
||
|
|
|
||
|
|
PROCESS_BEGIN();
|
||
|
|
|
||
|
|
puts("-----------------------------------------\n"
|
||
|
|
"Initializing cryptoprocessor...");
|
||
|
|
crypto_init();
|
||
|
|
|
||
|
|
for(i = 0; i < sizeof(vectors) / sizeof(vectors[0]); i++) {
|
||
|
|
if(key_size_index != vectors[i].key_size_index) {
|
||
|
|
key_size_index = vectors[i].key_size_index;
|
||
|
|
printf("-----------------------------------------\n"
|
||
|
|
"Filling %d-bit key store...\n", 128 + (key_size_index << 6));
|
||
|
|
time = RTIMER_NOW();
|
||
|
|
ret = aes_load_keys(keys[key_size_index].keys,
|
||
|
|
keys[key_size_index].key_size, keys[key_size_index].count, 0);
|
||
|
|
time = RTIMER_NOW() - time;
|
||
|
|
printf("aes_load_keys(): %s, %lu us\n", str_res[ret],
|
||
|
|
(uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND));
|
||
|
|
PROCESS_PAUSE();
|
||
|
|
if(ret != CRYPTO_SUCCESS) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("-----------------------------------------\n"
|
||
|
|
"Test vector #%d: %s\n"
|
||
|
|
"key_area=%d ctr_len=%d mdata_len=%d\n",
|
||
|
|
i, vectors[i].encrypt ? "encrypt" : "decrypt",
|
||
|
|
vectors[i].key_area, vectors[i].ctr_len, vectors[i].mdata_len);
|
||
|
|
|
||
|
|
/* mdata has to be in SRAM. */
|
||
|
|
rom_util_memcpy(mdata, vectors[i].mdata, vectors[i].mdata_len);
|
||
|
|
|
||
|
|
time = RTIMER_NOW();
|
||
|
|
ret = ctr_crypt_start(vectors[i].encrypt, vectors[i].key_area,
|
||
|
|
vectors[i].nonce, vectors[i].ictr, vectors[i].ctr_len,
|
||
|
|
mdata, mdata, vectors[i].mdata_len,
|
||
|
|
&ctr_test_process);
|
||
|
|
time2 = RTIMER_NOW();
|
||
|
|
time = time2 - time;
|
||
|
|
total_time = time;
|
||
|
|
if(ret == CRYPTO_SUCCESS) {
|
||
|
|
PROCESS_WAIT_EVENT_UNTIL((res = ctr_crypt_check_status()) !=
|
||
|
|
CRYPTO_PENDING);
|
||
|
|
time2 = RTIMER_NOW() - time2;
|
||
|
|
total_time += time2;
|
||
|
|
}
|
||
|
|
printf("ctr_crypt_start(): %s, %lu us\n", str_res[ret],
|
||
|
|
(uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND));
|
||
|
|
if(ret != CRYPTO_SUCCESS) {
|
||
|
|
PROCESS_PAUSE();
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
printf("ctr_crypt_check_status() wait: %s, %lu us\n", str_res[res],
|
||
|
|
(uint32_t)((uint64_t)time2 * 1000000 / RTIMER_SECOND));
|
||
|
|
PROCESS_PAUSE();
|
||
|
|
if(res != CRYPTO_SUCCESS) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(rom_util_memcmp(mdata, vectors[i].expected, vectors[i].mdata_len)) {
|
||
|
|
puts("Output message does not match expected one");
|
||
|
|
} else {
|
||
|
|
puts("Output message OK");
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("Total duration: %lu us\n",
|
||
|
|
(uint32_t)((uint64_t)total_time * 1000000 / RTIMER_SECOND));
|
||
|
|
}
|
||
|
|
|
||
|
|
puts("-----------------------------------------\n"
|
||
|
|
"Disabling cryptoprocessor...");
|
||
|
|
crypto_disable();
|
||
|
|
|
||
|
|
puts("Done!");
|
||
|
|
|
||
|
|
PROCESS_END();
|
||
|
|
}
|
||
|
|
/*---------------------------------------------------------------------------*/
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
* @}
|
||
|
|
*/
|