bench.c File Reference

#include <stdio.h>
#include <string.h>
#include "../include/secp256k1.h"
#include "util.h"
#include "bench.h"

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Classes
struct	bench_verify_data
struct	bench_sign_data

Functions
void	help (int default_iters)
int	main (int argc, char **argv)

Function Documentation

help()

void help

(

int

default_iters

)

Definition at line 14 of file bench.c.

                             {
    printf("Benchmarks the following algorithms:\n");
    printf("    - ECDSA signing/verification\n");
 
#ifdef ENABLE_MODULE_ECDH
    printf("    - ECDH key exchange (optional module)\n");
#endif
 
#ifdef ENABLE_MODULE_RECOVERY
    printf("    - Public key recovery (optional module)\n");
#endif
 
#ifdef ENABLE_MODULE_SCHNORRSIG
    printf("    - Schnorr signatures (optional module)\n");
#endif
 
    printf("\n");
    printf("The default number of iterations for each benchmark is %d. This can be\n", default_iters);
    printf("customized using the SECP256K1_BENCH_ITERS environment variable.\n");
    printf("\n");
    printf("Usage: ./bench [args]\n");
    printf("By default, all benchmarks will be run.\n");
    printf("args:\n");
    printf("    help              : display this help and exit\n");
    printf("    ecdsa             : all ECDSA algorithms--sign, verify, recovery (if enabled)\n");
    printf("    ecdsa_sign        : ECDSA siging algorithm\n");
    printf("    ecdsa_verify      : ECDSA verification algorithm\n");
 
#ifdef ENABLE_MODULE_RECOVERY
    printf("    ecdsa_recover     : ECDSA public key recovery algorithm\n");
#endif
 
#ifdef ENABLE_MODULE_ECDH
    printf("    ecdh              : ECDH key exchange algorithm\n");
#endif
 
#ifdef ENABLE_MODULE_SCHNORRSIG
    printf("    schnorrsig        : all Schnorr signature algorithms (sign, verify)\n");
    printf("    schnorrsig_sign   : Schnorr sigining algorithm\n");
    printf("    schnorrsig_verify : Schnorr verification algorithm\n");
#endif
 
    printf("\n");
}

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main()

int main	(	int	argc,
		char **	argv )

Definition at line 136 of file bench.c.

                                {
    int i;
    secp256k1_pubkey pubkey;
    secp256k1_ecdsa_signature sig;
    bench_verify_data data;
 
    int d = argc == 1;
    int default_iters = 20000;
    int iters = get_iters(default_iters);
 
    /* Check for invalid user arguments */
    char* valid_args[] = {"ecdsa", "verify", "ecdsa_verify", "sign", "ecdsa_sign", "ecdh", "recover",
                         "ecdsa_recover", "schnorrsig", "schnorrsig_verify", "schnorrsig_sign"};
    size_t valid_args_size = sizeof(valid_args)/sizeof(valid_args[0]);
    int invalid_args = have_invalid_args(argc, argv, valid_args, valid_args_size);
 
    if (argc > 1) {
        if (have_flag(argc, argv, "-h")
           || have_flag(argc, argv, "--help")
           || have_flag(argc, argv, "help")) {
            help(default_iters);
            return 0;
        } else if (invalid_args) {
            fprintf(stderr, "./bench: unrecognized argument.\n\n");
            help(default_iters);
            return 1;
        }
    }
 
/* Check if the user tries to benchmark optional module without building it */
#ifndef ENABLE_MODULE_ECDH
    if (have_flag(argc, argv, "ecdh")) { 
        fprintf(stderr, "./bench: ECDH module not enabled.\n");
        fprintf(stderr, "Use ./configure --enable-module-ecdh.\n\n");
        return 1;
    }
#endif
 
#ifndef ENABLE_MODULE_RECOVERY
    if (have_flag(argc, argv, "recover") || have_flag(argc, argv, "ecdsa_recover")) { 
        fprintf(stderr, "./bench: Public key recovery module not enabled.\n");
        fprintf(stderr, "Use ./configure --enable-module-recovery.\n\n");
        return 1;
    }
#endif
 
#ifndef ENABLE_MODULE_SCHNORRSIG
    if (have_flag(argc, argv, "schnorrsig") || have_flag(argc, argv, "schnorrsig_sign") || have_flag(argc, argv, "schnorrsig_verify")) { 
        fprintf(stderr, "./bench: Schnorr signatures module not enabled.\n");
        fprintf(stderr, "Use ./configure --enable-module-schnorrsig.\n\n");
        return 1;
    }
#endif
 
    /* ECDSA verification benchmark */
    data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
 
    for (i = 0; i < 32; i++) {
        data.msg[i] = 1 + i;
    }
    for (i = 0; i < 32; i++) {
        data.key[i] = 33 + i;
    }
    data.siglen = 72;
    CHECK(secp256k1_ecdsa_sign(data.ctx, &sig, data.msg, data.key, NULL, NULL));
    CHECK(secp256k1_ecdsa_signature_serialize_der(data.ctx, data.sig, &data.siglen, &sig));
    CHECK(secp256k1_ec_pubkey_create(data.ctx, &pubkey, data.key));
    data.pubkeylen = 33;
    CHECK(secp256k1_ec_pubkey_serialize(data.ctx, data.pubkey, &data.pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED) == 1);
 
    print_output_table_header_row();
    if (d || have_flag(argc, argv, "ecdsa") || have_flag(argc, argv, "verify") || have_flag(argc, argv, "ecdsa_verify")) run_benchmark("ecdsa_verify", bench_verify, NULL, NULL, &data, 10, iters);
 
    secp256k1_context_destroy(data.ctx);
 
    /* ECDSA signing benchmark */
    data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN);
 
    if (d || have_flag(argc, argv, "ecdsa") || have_flag(argc, argv, "sign") || have_flag(argc, argv, "ecdsa_sign")) run_benchmark("ecdsa_sign", bench_sign_run, bench_sign_setup, NULL, &data, 10, iters);
 
    secp256k1_context_destroy(data.ctx);
 
#ifdef ENABLE_MODULE_ECDH
    /* ECDH benchmarks */
    run_ecdh_bench(iters, argc, argv);
#endif
 
#ifdef ENABLE_MODULE_RECOVERY
    /* ECDSA recovery benchmarks */
    run_recovery_bench(iters, argc, argv);
#endif
 
#ifdef ENABLE_MODULE_SCHNORRSIG
    /* Schnorr signature benchmarks */
    run_schnorrsig_bench(iters, argc, argv);
#endif
 
    return 0;
}

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