bench_impl.h File Reference

#include "../include/secp256k1_recovery.h"

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Classes
struct	bench_recover_data

Functions
void	bench_recover (void *arg, int iters)
void	bench_recover_setup (void *arg)
void	run_recovery_bench (int iters, int argc, char **argv)

Function Documentation

bench_recover()

void bench_recover	(	void *	arg,
		int	iters )

Definition at line 18 of file bench_impl.h.

                                         {
    int i;
    bench_recover_data *data = (bench_recover_data*)arg;
    secp256k1_pubkey pubkey;
    unsigned char pubkeyc[33];
 
    for (i = 0; i < iters; i++) {
        int j;
        size_t pubkeylen = 33;
        secp256k1_ecdsa_recoverable_signature sig;
        CHECK(secp256k1_ecdsa_recoverable_signature_parse_compact(data->ctx, &sig, data->sig, i % 2));
        CHECK(secp256k1_ecdsa_recover(data->ctx, &pubkey, &sig, data->msg));
        CHECK(secp256k1_ec_pubkey_serialize(data->ctx, pubkeyc, &pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED));
        for (j = 0; j < 32; j++) {
            data->sig[j + 32] = data->msg[j];    /* Move former message to S. */
            data->msg[j] = data->sig[j];         /* Move former R to message. */
            data->sig[j] = pubkeyc[j + 1];       /* Move recovered pubkey X coordinate to R (which must be a valid X coordinate). */
        }
    }
}

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bench_recover_setup()

void bench_recover_setup

(

void *

arg

)

Definition at line 39 of file bench_impl.h.

                                    {
    int i;
    bench_recover_data *data = (bench_recover_data*)arg;
 
    for (i = 0; i < 32; i++) {
        data->msg[i] = 1 + i;
    }
    for (i = 0; i < 64; i++) {
        data->sig[i] = 65 + i;
    }
}

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run_recovery_bench()

void run_recovery_bench	(	int	iters,
		int	argc,
		char **	argv )

Definition at line 51 of file bench_impl.h.

                                                          {
    bench_recover_data data;
    int d = argc == 1;
 
    data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY);
 
    if (d || have_flag(argc, argv, "ecdsa") || have_flag(argc, argv, "recover") || have_flag(argc, argv, "ecdsa_recover")) run_benchmark("ecdsa_recover", bench_recover, bench_recover_setup, NULL, &data, 10, iters);
 
    secp256k1_context_destroy(data.ctx);
}

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