1 /* unused */
2
3 #include <stdio.h>
4 #include <openssl/tmdiff.h>
5 #include "bn_lcl.h"
6
7 #define SIZE 256
8 #define NUM (8*8*8)
9 #define MOD (8*8*8*8*8)
10
main(argc,argv)11 main(argc,argv)
12 int argc;
13 char *argv[];
14 {
15 BN_CTX ctx;
16 BIGNUM a,b,c,r,rr,t,l;
17 int j,i,size=SIZE,num=NUM,mod=MOD;
18 char *start,*end;
19 BN_MONT_CTX mont;
20 double d,md;
21
22 BN_MONT_CTX_init(&mont);
23 BN_CTX_init(&ctx);
24 BN_init(&a);
25 BN_init(&b);
26 BN_init(&c);
27 BN_init(&r);
28
29 start=ms_time_new();
30 end=ms_time_new();
31 while (size <= 1024*8)
32 {
33 BN_rand(&a,size,0,0);
34 BN_rand(&b,size,1,0);
35 BN_rand(&c,size,0,1);
36
37 BN_mod(&a,&a,&c,&ctx);
38
39 ms_time_get(start);
40 for (i=0; i<10; i++)
41 BN_MONT_CTX_set(&mont,&c,&ctx);
42 ms_time_get(end);
43 md=ms_time_diff(start,end);
44
45 ms_time_get(start);
46 for (i=0; i<num; i++)
47 {
48 /* bn_mull(&r,&a,&b,&ctx); */
49 /* BN_sqr(&r,&a,&ctx); */
50 BN_mod_exp_mont(&r,&a,&b,&c,&ctx,&mont);
51 }
52 ms_time_get(end);
53 d=ms_time_diff(start,end)/* *50/33 */;
54 printf("%5d bit:%6.2f %6d %6.4f %4d m_set(%5.4f)\n",size,
55 d,num,d/num,(int)((d/num)*mod),md/10.0);
56 num/=8;
57 mod/=8;
58 if (num <= 0) num=1;
59 size*=2;
60 }
61
62 }
63