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