/* * Original file: * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ * All rights reserved. * * Port to Contiki: * Copyright (c) 2013, ADVANSEE - http://www.advansee.com/ * 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 copyright holder 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 COPYRIGHT HOLDERS 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 * COPYRIGHT HOLDER 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. */ /** * \addtogroup cc2538-examples * @{ * * \defgroup cc2538-sha256-test cc2538dk SHA-256 Test Project * * SHA-256 access example for CC2538 on SmartRF06EB. * * This example shows how SHA-256 should be used. The example also verifies * the SHA-256 functionality. * * @{ * * \file * Example demonstrating SHA-256 on the cc2538dk platform */ #include "contiki.h" #include "sys/rtimer.h" #include "dev/rom-util.h" #include "dev/sha256.h" #include #include #include #include /*---------------------------------------------------------------------------*/ PROCESS(sha256_test_process, "sha256 test process"); AUTOSTART_PROCESSES(&sha256_test_process); /*---------------------------------------------------------------------------*/ PROCESS_THREAD(sha256_test_process, ev, data) { static const char *const str_res[] = { "success", "invalid param", "NULL error", "DMA bus error" }; static const struct { const char *data[3]; uint8_t sha256[32]; } vectors[] = { { /* Simple */ { "abc", NULL, NULL }, { 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad } }, { /* Simple */ { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", NULL, NULL, }, { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39, 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 } }, { /* Message of length 130 */ { "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklabcd" "efghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmn", NULL, NULL }, { 0x15, 0xd2, 0x3e, 0xea, 0x57, 0xb3, 0xd4, 0x61, 0xbf, 0x38, 0x91, 0x12, 0xab, 0x4c, 0x43, 0xce, 0x85, 0xe1, 0x68, 0x23, 0x8a, 0xaa, 0x54, 0x8e, 0xc8, 0x6f, 0x0c, 0x9d, 0x65, 0xf9, 0xb9, 0x23 } }, { /* Message of length 128 */ { "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklabcd" "efghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl", NULL, NULL }, { 0xf8, 0xa3, 0xf2, 0x26, 0xfc, 0x42, 0x10, 0xe9, 0x0d, 0x13, 0x0c, 0x7f, 0x41, 0xf2, 0xbe, 0x66, 0x45, 0x53, 0x85, 0xd2, 0x92, 0x0a, 0xda, 0x78, 0x15, 0xf8, 0xf7, 0x95, 0xd9, 0x44, 0x90, 0x5f } }, { /* Message of length 64 */ { "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl", NULL, NULL }, { 0x2f, 0xcd, 0x5a, 0x0d, 0x60, 0xe4, 0xc9, 0x41, 0x38, 0x1f, 0xcc, 0x4e, 0x00, 0xa4, 0xbf, 0x8b, 0xe4, 0x22, 0xc3, 0xdd, 0xfa, 0xfb, 0x93, 0xc8, 0x09, 0xe8, 0xd1, 0xe2, 0xbf, 0xff, 0xae, 0x8e } }, { /* Message of length 66 */ { "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmn", NULL, NULL }, { 0x92, 0x90, 0x1c, 0x85, 0x82, 0xe3, 0x1c, 0x05, 0x69, 0xb5, 0x36, 0x26, 0x9c, 0xe2, 0x2c, 0xc8, 0x30, 0x8b, 0xa4, 0x17, 0xab, 0x36, 0xc1, 0xbb, 0xaf, 0x08, 0x4f, 0xf5, 0x8b, 0x18, 0xdc, 0x6a } }, { { "abcdbcdecdefde", "fgefghfghighijhijkijkljklmklmnlmnomnopnopq", NULL }, { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39, 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 } }, { { "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl", "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl", NULL }, { 0xf8, 0xa3, 0xf2, 0x26, 0xfc, 0x42, 0x10, 0xe9, 0x0d, 0x13, 0x0c, 0x7f, 0x41, 0xf2, 0xbe, 0x66, 0x45, 0x53, 0x85, 0xd2, 0x92, 0x0a, 0xda, 0x78, 0x15, 0xf8, 0xf7, 0x95, 0xd9, 0x44, 0x90, 0x5f } }, { { "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefgh", "ijkl", "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijkl" }, { 0xf8, 0xa3, 0xf2, 0x26, 0xfc, 0x42, 0x10, 0xe9, 0x0d, 0x13, 0x0c, 0x7f, 0x41, 0xf2, 0xbe, 0x66, 0x45, 0x53, 0x85, 0xd2, 0x92, 0x0a, 0xda, 0x78, 0x15, 0xf8, 0xf7, 0x95, 0xd9, 0x44, 0x90, 0x5f } } }; static sha256_state_t state; static uint8_t sha256[32]; static int i, j; static uint8_t ret; static rtimer_clock_t total_time; rtimer_clock_t time; size_t len; PROCESS_BEGIN(); puts("-----------------------------------------\n" "Initializing cryptoprocessor..."); crypto_init(); for(i = 0; i < sizeof(vectors) / sizeof(vectors[0]); i++) { printf("-----------------------------------------\n" "Test vector #%d:\n", i); time = RTIMER_NOW(); ret = sha256_init(&state); time = RTIMER_NOW() - time; total_time = time; printf("sha256_init(): %s, %lu us\n", str_res[ret], (uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND)); PROCESS_PAUSE(); if(ret != CRYPTO_SUCCESS) { continue; } for(j = 0; j < sizeof(vectors[i].data) / sizeof(vectors[i].data[0]) && vectors[i].data[j] != NULL; j++) { len = strlen(vectors[i].data[j]); printf("Buffer #%d (length: %u):\n", j, len); time = RTIMER_NOW(); ret = sha256_process(&state, vectors[i].data[j], len); time = RTIMER_NOW() - time; total_time += time; printf("sha256_process(): %s, %lu us\n", str_res[ret], (uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND)); PROCESS_PAUSE(); if(ret != CRYPTO_SUCCESS) { break; } } if(ret != CRYPTO_SUCCESS) { continue; } time = RTIMER_NOW(); ret = sha256_done(&state, sha256); time = RTIMER_NOW() - time; total_time += time; printf("sha256_done(): %s, %lu us\n", str_res[ret], (uint32_t)((uint64_t)time * 1000000 / RTIMER_SECOND)); PROCESS_PAUSE(); if(ret != CRYPTO_SUCCESS) { continue; } if(rom_util_memcmp(sha256, vectors[i].sha256, sizeof(sha256))) { puts("Computed SHA-256 hash does not match expected hash"); } else { puts("Computed SHA-256 hash 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(); } /*---------------------------------------------------------------------------*/ /** * @} * @} */