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libsecp256k1/src/bench_internal.c  view on Meta::CPAN

/***********************************************************************
 * Copyright (c) 2014-2015 Pieter Wuille                               *
 * Distributed under the MIT software license, see the accompanying    *
 * file COPYING or https://www.opensource.org/licenses/mit-license.php.*
 ***********************************************************************/
#include <stdio.h>

#include "secp256k1.c"
#include "../include/secp256k1.h"

#include "assumptions.h"
#include "util.h"
#include "hash_impl.h"
#include "field_impl.h"
#include "group_impl.h"
#include "scalar_impl.h"
#include "ecmult_impl.h"
#include "bench.h"

static void help(int default_iters) {
    printf("Benchmarks various internal routines.\n");
    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_internal [args]\n");
    printf("By default, all benchmarks will be run.\n");
    printf("args:\n");
    printf("    help       : display this help and exit\n");
    printf("    scalar     : all scalar operations (add, half, inverse, mul, negate, split)\n");
    printf("    field      : all field operations (half, inverse, issquare, mul, normalize, sqr, sqrt)\n");
    printf("    group      : all group operations (add, double, to_affine)\n");
    printf("    ecmult     : all point multiplication operations (ecmult_wnaf) \n");
    printf("    hash       : all hash algorithms (hmac, rng6979, sha256)\n");
    printf("    context    : all context object operations (context_create)\n");
    printf("\n");
}

typedef struct {
    secp256k1_scalar scalar[2];
    secp256k1_fe fe[4];
    secp256k1_ge ge[2];
    secp256k1_gej gej[2];
    unsigned char data[64];
    int wnaf[256];
} bench_inv;

static void bench_setup(void* arg) {
    bench_inv *data = (bench_inv*)arg;

    static const unsigned char init[4][32] = {
        /* Initializer for scalar[0], fe[0], first half of data, the X coordinate of ge[0],
           and the (implied affine) X coordinate of gej[0]. */
        {
            0x02, 0x03, 0x05, 0x07, 0x0b, 0x0d, 0x11, 0x13,
            0x17, 0x1d, 0x1f, 0x25, 0x29, 0x2b, 0x2f, 0x35,
            0x3b, 0x3d, 0x43, 0x47, 0x49, 0x4f, 0x53, 0x59,
            0x61, 0x65, 0x67, 0x6b, 0x6d, 0x71, 0x7f, 0x83
        },
        /* Initializer for scalar[1], fe[1], first half of data, the X coordinate of ge[1],
           and the (implied affine) X coordinate of gej[1]. */
        {
            0x82, 0x83, 0x85, 0x87, 0x8b, 0x8d, 0x81, 0x83,
            0x97, 0xad, 0xaf, 0xb5, 0xb9, 0xbb, 0xbf, 0xc5,
            0xdb, 0xdd, 0xe3, 0xe7, 0xe9, 0xef, 0xf3, 0xf9,
            0x11, 0x15, 0x17, 0x1b, 0x1d, 0xb1, 0xbf, 0xd3
        },
        /* Initializer for fe[2] and the Z coordinate of gej[0]. */
        {
            0x3d, 0x2d, 0xef, 0xf4, 0x25, 0x98, 0x4f, 0x5d,
            0xe2, 0xca, 0x5f, 0x41, 0x3f, 0x3f, 0xce, 0x44,
            0xaa, 0x2c, 0x53, 0x8a, 0xc6, 0x59, 0x1f, 0x38,
            0x38, 0x23, 0xe4, 0x11, 0x27, 0xc6, 0xa0, 0xe7
        },
        /* Initializer for fe[3] and the Z coordinate of gej[1]. */
        {
            0xbd, 0x21, 0xa5, 0xe1, 0x13, 0x50, 0x73, 0x2e,
            0x52, 0x98, 0xc8, 0x9e, 0xab, 0x00, 0xa2, 0x68,
            0x43, 0xf5, 0xd7, 0x49, 0x80, 0x72, 0xa7, 0xf3,
            0xd7, 0x60, 0xe6, 0xab, 0x90, 0x92, 0xdf, 0xc5
        }
    };