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46 lines
1.5 KiB
46 lines
1.5 KiB
/********************************************************************** |
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* Copyright (c) 2014 Pieter Wuille * |
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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 "include/secp256k1.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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unsigned char msg[32]; |
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unsigned char sig[64]; |
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} bench_recover_t; |
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void bench_recover(void* arg) { |
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bench_recover_t *data = (bench_recover_t*)arg; |
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unsigned char pubkey[33]; |
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for (int i=0; i<20000; i++) { |
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int pubkeylen = 33; |
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CHECK(secp256k1_ecdsa_recover_compact(data->msg, 32, data->sig, pubkey, &pubkeylen, 1, i % 2)); |
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for (int j = 0; j < 32; j++) { |
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data->sig[j + 32] = data->msg[j]; /* Move former message to S. */ |
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data->msg[j] = data->sig[j]; /* Move former R to message. */ |
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data->sig[j] = pubkey[j + 1]; /* Move recovered pubkey X coordinate to R (which must be a valid X coordinate). */ |
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} |
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} |
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} |
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void bench_recover_setup(void* arg) { |
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bench_recover_t *data = (bench_recover_t*)arg; |
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for (int i = 0; i < 32; i++) data->msg[i] = 1 + i; |
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for (int i = 0; i < 64; i++) data->sig[i] = 65 + i; |
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} |
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int main(void) { |
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secp256k1_start(SECP256K1_START_VERIFY); |
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bench_recover_t data; |
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run_benchmark(bench_recover, bench_recover_setup, NULL, &data, 10, 20000); |
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secp256k1_stop(); |
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return 0; |
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}
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