Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | |
| 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 | } |