65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/**********************************************************************
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* Copyright (c) 2014, 2015 Pieter Wuille, Gregory Maxwell *
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* Distributed under the MIT software license, see the accompanying *
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* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
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**********************************************************************/
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#include <stdint.h>
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#include "include/secp256k1_commitment.h"
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#include "include/secp256k1_rangeproof.h"
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#include "util.h"
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#include "bench.h"
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typedef struct {
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secp256k1_context* ctx;
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secp256k1_pedersen_commitment commit;
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unsigned char proof[5134];
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unsigned char blind[32];
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size_t len;
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int min_bits;
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uint64_t v;
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} bench_rangeproof_t;
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static void bench_rangeproof_setup(void* arg) {
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int i;
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uint64_t minv;
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uint64_t maxv;
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bench_rangeproof_t *data = (bench_rangeproof_t*)arg;
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data->v = 0;
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for (i = 0; i < 32; i++) data->blind[i] = i + 1;
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CHECK(secp256k1_pedersen_commit(data->ctx, &data->commit, data->blind, data->v, &secp256k1_generator_const_h, &secp256k1_generator_const_g));
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data->len = 5134;
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CHECK(secp256k1_rangeproof_sign(data->ctx, data->proof, &data->len, 0, &data->commit, data->blind, (const unsigned char*)&data->commit, 0, data->min_bits, data->v, NULL, 0, NULL, 0, &secp256k1_generator_const_h));
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CHECK(secp256k1_rangeproof_verify(data->ctx, &minv, &maxv, &data->commit, data->proof, data->len, NULL, 0, &secp256k1_generator_const_h));
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}
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static void bench_rangeproof(void* arg) {
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int i;
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bench_rangeproof_t *data = (bench_rangeproof_t*)arg;
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for (i = 0; i < 1000; i++) {
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int j;
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uint64_t minv;
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uint64_t maxv;
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j = secp256k1_rangeproof_verify(data->ctx, &minv, &maxv, &data->commit, data->proof, data->len, NULL, 0, &secp256k1_generator_const_h);
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for (j = 0; j < 4; j++) {
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data->proof[j + 2 + 32 *((data->min_bits + 1) >> 1) - 4] = (i >> 8)&255;
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}
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}
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}
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int main(void) {
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bench_rangeproof_t data;
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data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
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data.min_bits = 32;
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run_benchmark("rangeproof_verify_bit", bench_rangeproof, bench_rangeproof_setup, NULL, &data, 10, 1000 * data.min_bits);
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secp256k1_context_destroy(data.ctx);
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return 0;
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}
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