122 lines
4.1 KiB
C
122 lines
4.1 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-verify-test cc2538dk ECDSA-Verify Test Project
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*
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* ECDSA-Verify example for CC2538 on SmartRF06EB.
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*
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* This example shows how ECDSA-Verify should be used. The example also verifies
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* the ECDSA-Verify 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-Verify on the cc2538dk platform
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*/
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#include "contiki.h"
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#include "ecc-algorithm.h"
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#include "ecc-curve.h"
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#include "rtimer.h"
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#include "pt.h"
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#include <string.h>
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#include <stdio.h>
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PROCESS(ecdsa_verify_test, "ecdsa verify test");
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AUTOSTART_PROCESSES(&ecdsa_verify_test);
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PROCESS_THREAD(ecdsa_verify_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_dsa_verify_state_t state = {
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.process = &ecdsa_verify_test,
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.curve_info = &nist_p_256,
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.signature_r = { 0xC3B4035F, 0x515AD0A6, 0xBF375DCA, 0x0CC1E997,
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0x7F54FDCD, 0x04D3FECA, 0xB9E396B9, 0x515C3D6E },
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.signature_s = { 0x5366B1AB, 0x0F1DBF46, 0xB0C8D3C4, 0xDB755B6F,
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0xB9BF9243, 0xE644A8BE, 0x55159A59, 0x6F9E52A6 },
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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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static uint32_t public_x[8] = { 0x5fa58f52, 0xe47cfbf2, 0x300c28c5, 0x6375ba10,
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0x62684e91, 0xda0a9a8f, 0xf9f2ed29, 0x36dfe2c6 };
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static uint32_t public_y[8] = { 0xc772f829, 0x4fabc36f, 0x09daed0b, 0xe93f9872,
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0x35a7cfab, 0x5a3c7869, 0xde1ab878, 0x71a0d4fc };
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memcpy(state.public.x, public_x, sizeof(public_x));
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memcpy(state.public.y, public_y, sizeof(public_y));
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/*
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* Verify
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*/
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time = RTIMER_NOW();
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PT_SPAWN(&(ecdsa_verify_test.pt), &(state.pt), ecc_dsa_verify(&state));
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time = RTIMER_NOW() - time;
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printf("ecc_dsa_verify(), %lu ms\n",
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(uint32_t)((uint64_t)time * 1000 / RTIMER_SECOND));
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if(state.result) {
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puts("signature verification failed");
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} else {
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puts("signature verification 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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