mirror of https://github.com/openssl/openssl.git
63 lines
1.1 KiB
C
63 lines
1.1 KiB
C
/* 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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{
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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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{
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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) num=1;
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size*=2;
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}
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}
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