4 #include <openssl/tmdiff.h>
9 #define MOD (8*8*8*8*8)
16 BIGNUM a, b, c, r, rr, t, l;
17 int j, i, size = SIZE, num = NUM, mod = MOD;
22 BN_MONT_CTX_init(&mont);
29 start = ms_time_new();
31 while (size <= 1024 * 8) {
32 BN_rand(&a, size, 0, 0);
33 BN_rand(&b, size, 1, 0);
34 BN_rand(&c, size, 0, 1);
36 BN_mod(&a, &a, &c, &ctx);
39 for (i = 0; i < 10; i++)
40 BN_MONT_CTX_set(&mont, &c, &ctx);
42 md = ms_time_diff(start, end);
45 for (i = 0; i < num; i++) {
46 /* bn_mull(&r,&a,&b,&ctx); */
47 /* BN_sqr(&r,&a,&ctx); */
48 BN_mod_exp_mont(&r, &a, &b, &c, &ctx, &mont);
51 d = ms_time_diff(start, end) /* *50/33 */ ;
52 printf("%5d bit:%6.2f %6d %6.4f %4d m_set(%5.4f)\n", size,
53 d, num, d / num, (int)((d / num) * mod), md / 10.0);