benchmark/benchtest_ff_WWW.c.in

/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
*/

/*
   Benchmark FF exponentiations.
 */

#include <stdio.h>
#include "bench.h"
#include "arch.h"
#include "amcl.h"
#include "utils.h"
#include "ff_WWW.h"

#define MIN_TIME 5.0
#define MIN_ITERS 10

#define FS_WWW MODBYTES_XXX*FFLEN_WWW

#if WWW == 2048
char *Nhex = "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";
#elif WWW == 3072
char *Nhex = "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";
#else
char *Nhex = "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";
#endif

int main()
{
    int iterations;
    clock_t start;
    double elapsed;

    // Material for exponents
    BIG_XXX A[FFLEN_WWW], B[FFLEN_WWW], C[FFLEN_WWW], D[FFLEN_WWW];
    BIG_XXX E[FFLEN_WWW], F[FFLEN_WWW], G[FFLEN_WWW], H[FFLEN_WWW];
    BIG_XXX N[FFLEN_WWW];
    BIG_XXX R[FFLEN_WWW];

    // Material for precomputation
    BIG_XXX T_mem[16][FFLEN_WWW];
    BIG_XXX *T[] =
    {
        T_mem[0],  T_mem[1],  T_mem[2],  T_mem[3],
        T_mem[4],  T_mem[5],  T_mem[6],  T_mem[7],
        T_mem[8],  T_mem[9],  T_mem[10], T_mem[11],
        T_mem[12], T_mem[13], T_mem[14], T_mem[15],
    };

    BIG_XXX *X[] = {A, B, C, D};
    BIG_XXX *EXP[] = {E, F, G, H};

    BIG_XXX ND[FFLEN_WWW];

    char oct[FS_WWW];
    octet OCT = {0,sizeof(oct),oct};

    /* Fake random source */
    int i;
    char seed[256];
    csprng RNG;

    RAND_clean(&RNG);
    for (i=0; i<256; i++) seed[i]=(char)i;
    RAND_seed(&RNG,256,seed);

    /* Read N from hex */
    OCT_fromHex(&OCT, Nhex);
    FF_WWW_fromOctet(N, &OCT, FFLEN_WWW);

    /* Compute additional values */
    FF_WWW_invmod2m(ND, N, FFLEN_WWW);

    printf("\nBechmark FF exponentiation - FF_WWW\n");

    print_system_info();

    FF_WWW_random(A, &RNG, FFLEN_WWW);
    FF_WWW_random(B, &RNG, FFLEN_WWW);
    FF_WWW_random(C, &RNG, FFLEN_WWW);
    FF_WWW_random(D, &RNG, FFLEN_WWW);

    FF_WWW_random(E, &RNG, FFLEN_WWW);
    FF_WWW_random(F, &RNG, FFLEN_WWW);
    FF_WWW_random(G, &RNG, FFLEN_WWW);
    FF_WWW_random(H, &RNG, FFLEN_WWW);

    /* Benchmark non constant-time exponents */

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_nt_pow(R, A, E, N, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_nt_pow\t\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_nt_pow_2(R, A, E, B, F, N, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_nt_pow_2\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_nt_pow_3(R, A, E, B, F, C, G, N, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_nt_pow_3\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_nt_pow_4(R, A, E, B, F, C, G, D, H, N, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_nt_pow_4\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    /* Benchmark constant-time exponenets */

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_ct_pow(R, A, E, N, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_ct_pow\t\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_ct_pow_2(R, A, E, B, F, N, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_ct_pow_2\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_ct_pow_3(R, A, E, B, F, C, G, N, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_ct_pow_3\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    /* Benchmark standalone precomputation/evaluation */

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_2w_precompute(X, T, 4, 1, N, ND, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_2w_precompute\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_ct_2w_pow(R, T, EXP, 4, 1, N, ND, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_ct_2w_pow\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_nt_2w_pow(R, T, EXP, 4, 1, N, ND, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_nt_2w_pow\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_bi_precompute(X, T, 4, 3, N, ND, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_bi_precompute\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);

    iterations=0;
    start=clock();
    do
    {
        FF_WWW_bi_pow(R, T, EXP, 4, 3, N, ND, FFLEN_WWW, FFLEN_WWW);
        iterations++;
        elapsed=(clock()-start)/(double)CLOCKS_PER_SEC;
    }
    while (elapsed<MIN_TIME || iterations<MIN_ITERS);
    elapsed=1000.0*elapsed/iterations;
    printf("FF_WWW_bi_pow\t\t%8d iterations\t",iterations);
    printf("%8.2lf ms per iteration\n",elapsed);
}