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140 lines
4.6 KiB
C
140 lines
4.6 KiB
C
/*
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* Copyright (c) 2014, Institute for Pervasive Computing, ETH Zurich.
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* All rights reserved.
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*
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* Author: Andreas Dröscher <contiki@anticat.ch>
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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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/**
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* \addtogroup cc2538-examples
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* @{
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*
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* \defgroup cc2538-ecdsa-sign-test cc2538 ECDSA-Sign Test Project
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*
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* ECDSA-Sign example for CC2538-based platforms
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*
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* This example shows how ECDSA-Sign should be used. The example also verifies
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* the ECDSA-Sign functionality.
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*
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* @{
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*
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* \file
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* Example demonstrating ECDSA-Sign
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*/
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#include "contiki.h"
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#include "dev/ecc-algorithm.h"
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#include "dev/ecc-curve.h"
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#include "sys/rtimer.h"
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#include "sys/pt.h"
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#include <string.h>
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#include <stdio.h>
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PROCESS(ecdsa_sign_test, "ecdsa sign test");
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AUTOSTART_PROCESSES(&ecdsa_sign_test);
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PROCESS_THREAD(ecdsa_sign_test, ev, data) {
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PROCESS_BEGIN();
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/*
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* Variable for Time Measurement
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*/
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static rtimer_clock_t time;
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/*
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* Activate Engine
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*/
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puts("-----------------------------------------\n"
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"Initializing pka...");
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pka_init();
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/*
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* Setup Variables
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*/
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static ecc_compare_state_t comp_state = {
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.process = &ecdsa_sign_test,
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.size = 8,
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};
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static ecc_dsa_sign_state_t state = {
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.process = &ecdsa_sign_test,
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.curve_info = &nist_p_256,
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.secret = { 0x94A949FA, 0x401455A1, 0xAD7294CA, 0x896A33BB,
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0x7A80E714, 0x4321435B, 0x51247A14, 0x41C1CB6B },
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.k_e = { 0x1D1E1F20, 0x191A1B1C, 0x15161718, 0x11121314,
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0x0D0E0F10, 0x090A0B0C, 0x05060708, 0x01020304 },
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.hash = { 0x65637572, 0x20612073, 0x68206F66, 0x20686173,
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0x69732061, 0x68697320, 0x6F2C2054, 0x48616C6C },
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};
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/*
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* Sign
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*/
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time = RTIMER_NOW();
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PT_SPAWN(&(ecdsa_sign_test.pt), &(state.pt), ecc_dsa_sign(&state));
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time = RTIMER_NOW() - time;
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printf("ecc_dsa_sign(), %lu ms\n",
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(uint32_t)((uint64_t)time * 1000 / RTIMER_SECOND));
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/*
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* Check Result
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*/
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static uint32_t ecdsaTestresultR1[] = { 0xC3B4035F, 0x515AD0A6, 0xBF375DCA, 0x0CC1E997,
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0x7F54FDCD, 0x04D3FECA, 0xB9E396B9, 0x515C3D6E };
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static uint32_t ecdsaTestresultS1[] = { 0x5366B1AB, 0x0F1DBF46, 0xB0C8D3C4, 0xDB755B6F,
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0xB9BF9243, 0xE644A8BE, 0x55159A59, 0x6F9E52A6 };
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memcpy(comp_state.a, state.point_r.x, sizeof(uint32_t) * 8);
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memcpy(comp_state.b, ecdsaTestresultR1, sizeof(uint32_t) * 8);
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PT_SPAWN(&(ecdsa_sign_test.pt), &(comp_state.pt), ecc_compare(&comp_state));
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if(comp_state.result) {
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puts("r1 of signature does not match");
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} else {
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puts("r1 of signature OK");
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}
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memcpy(comp_state.a, state.signature_s, sizeof(uint32_t) * 8);
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memcpy(comp_state.b, ecdsaTestresultS1, sizeof(uint32_t) * 8);
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PT_SPAWN(&(ecdsa_sign_test.pt), &(comp_state.pt), ecc_compare(&comp_state));
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if(comp_state.result) {
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puts("s1 of signature does not match");
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} else {
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puts("s1 of signature OK");
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}
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puts("-----------------------------------------\n"
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"Disabling pka...");
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pka_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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