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/* unused */
#include <stdio.h>
#include <openssl/tmdiff.h>
#include "bn_lcl.h"
#define SIZE 256
#define NUM (8*8*8)
#define MOD (8*8*8*8*8)
main(argc, argv)
int argc;
char *argv[];
{
BN_CTX ctx;
BIGNUM a, b, c, r, rr, t, l;
int j, i, size = SIZE, num = NUM, mod = MOD;
char *start, *end;
BN_MONT_CTX mont;
double d, md;
BN_MONT_CTX_init(&mont);
BN_CTX_init(&ctx);
BN_init(&a);
BN_init(&b);
BN_init(&c);
BN_init(&r);
start = ms_time_new();
end = ms_time_new();
while (size <= 1024 * 8) {
BN_rand(&a, size, 0, 0);
BN_rand(&b, size, 1, 0);
BN_rand(&c, size, 0, 1);
BN_mod(&a, &a, &c, &ctx);
ms_time_get(start);
for (i = 0; i < 10; i++)
BN_MONT_CTX_set(&mont, &c, &ctx);
ms_time_get(end);
md = ms_time_diff(start, end);
ms_time_get(start);
for (i = 0; i < num; i++) {
/* bn_mull(&r,&a,&b,&ctx); */
/* BN_sqr(&r,&a,&ctx); */
BN_mod_exp_mont(&r, &a, &b, &c, &ctx, &mont);
}
ms_time_get(end);
d = ms_time_diff(start, end) /* *50/33 */ ;
printf("%5d bit:%6.2f %6d %6.4f %4d m_set(%5.4f)\n", size,
d, num, d / num, (int)((d / num) * mod), md / 10.0);
num /= 8;
mod /= 8;
if (num <= 0)
num = 1;
size *= 2;
}
}
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