1 /**********************************************************************
2 * Copyright (c) 2015 Pieter Wuille, Andrew Poelstra *
3 * Distributed under the MIT software license, see the accompanying *
4 * file COPYING or http://www.opensource.org/licenses/mit-license.php.*
5 **********************************************************************/
9 #include "include/secp256k1.h"
10 #include "include/secp256k1_ecdh.h"
15 secp256k1_context *ctx;
16 secp256k1_pubkey point;
17 unsigned char scalar[32];
20 static void bench_ecdh_setup(void* arg) {
22 bench_ecdh_data *data = (bench_ecdh_data*)arg;
23 const unsigned char point[] = {
25 0x54, 0x94, 0xc1, 0x5d, 0x32, 0x09, 0x97, 0x06,
26 0xc2, 0x39, 0x5f, 0x94, 0x34, 0x87, 0x45, 0xfd,
27 0x75, 0x7c, 0xe3, 0x0e, 0x4e, 0x8c, 0x90, 0xfb,
28 0xa2, 0xba, 0xd1, 0x84, 0xf8, 0x83, 0xc6, 0x9f
31 for (i = 0; i < 32; i++) {
32 data->scalar[i] = i + 1;
34 CHECK(secp256k1_ec_pubkey_parse(data->ctx, &data->point, point, sizeof(point)) == 1);
37 static void bench_ecdh(void* arg, int iters) {
39 unsigned char res[32];
40 bench_ecdh_data *data = (bench_ecdh_data*)arg;
42 for (i = 0; i < iters; i++) {
43 CHECK(secp256k1_ecdh(data->ctx, res, &data->point, data->scalar, NULL, NULL) == 1);
50 int iters = get_iters(20000);
52 /* create a context with no capabilities */
53 data.ctx = secp256k1_context_create(SECP256K1_FLAGS_TYPE_CONTEXT);
55 run_benchmark("ecdh", bench_ecdh, bench_ecdh_setup, NULL, &data, 10, iters);
57 secp256k1_context_destroy(data.ctx);