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/**********************************************************************
* Copyright (c) 2014, 2015 Pieter Wuille, Gregory Maxwell *
* Distributed under the MIT software license, see the accompanying *
* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
**********************************************************************/
#include <stdint.h>
#include "include/secp256k1_rangeproof.h"
#include "util.h"
#include "bench.h"
typedef struct {
secp256k1_context_t* ctx;
unsigned char commit[33];
unsigned char proof[5134];
unsigned char blind[32];
int len;
int min_bits;
uint64_t v;
} bench_rangeproof_t;
static void bench_rangeproof_setup(void* arg) {
int i;
uint64_t minv;
uint64_t maxv;
bench_rangeproof_t *data = (bench_rangeproof_t*)arg;
data->v = 0;
for (i = 0; i < 32; i++) data->blind[i] = i + 1;
CHECK(secp256k1_pedersen_commit(data->ctx, data->commit, data->blind, data->v));
data->len = 5134;
CHECK(secp256k1_rangeproof_sign(data->ctx, data->proof, &data->len, 0, data->commit, data->blind, data->commit, 0, data->min_bits, data->v));
CHECK(secp256k1_rangeproof_verify(data->ctx, &minv, &maxv, data->commit, data->proof, data->len));
}
static void bench_rangeproof(void* arg) {
int i;
bench_rangeproof_t *data = (bench_rangeproof_t*)arg;
for (i = 0; i < 1000; i++) {
int j;
uint64_t minv;
uint64_t maxv;
j = secp256k1_rangeproof_verify(data->ctx, &minv, &maxv, data->commit, data->proof, data->len);
for (j = 0; j < 4; j++) {
data->proof[j + 2 + 32 *((data->min_bits + 1) >> 1) - 4] = (i >> 8)&255;
}
}
}
int main(void) {
bench_rangeproof_t data;
data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
secp256k1_pedersen_context_initialize(data.ctx);
secp256k1_rangeproof_context_initialize(data.ctx);
data.min_bits = 32;
run_benchmark("rangeproof_verify_bit", bench_rangeproof, bench_rangeproof_setup, NULL, &data, 10, 1000 * data.min_bits);
secp256k1_context_destroy(data.ctx);
return 0;
}