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proc
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self
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root
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usr
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local
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rvm
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src
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openssl-1.0.1i
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crypto
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bn
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files >> //proc/self/root/usr/local/rvm/src/openssl-1.0.1i/crypto/bn/exp.c
/* unused */ #include <stdio.h> #include <openssl/tmdiff.h> #include "bn_lcl.h" #define SIZE 256 #define NUM (8*8*8) #define MOD (8*8*8*8*8) main(argc,argv) int argc; char *argv[]; { BN_CTX ctx; BIGNUM a,b,c,r,rr,t,l; int j,i,size=SIZE,num=NUM,mod=MOD; char *start,*end; BN_MONT_CTX mont; double d,md; BN_MONT_CTX_init(&mont); BN_CTX_init(&ctx); BN_init(&a); BN_init(&b); BN_init(&c); BN_init(&r); start=ms_time_new(); end=ms_time_new(); while (size <= 1024*8) { BN_rand(&a,size,0,0); BN_rand(&b,size,1,0); BN_rand(&c,size,0,1); BN_mod(&a,&a,&c,&ctx); ms_time_get(start); for (i=0; i<10; i++) BN_MONT_CTX_set(&mont,&c,&ctx); ms_time_get(end); md=ms_time_diff(start,end); ms_time_get(start); for (i=0; i<num; i++) { /* bn_mull(&r,&a,&b,&ctx); */ /* BN_sqr(&r,&a,&ctx); */ BN_mod_exp_mont(&r,&a,&b,&c,&ctx,&mont); } ms_time_get(end); d=ms_time_diff(start,end)/* *50/33 */; printf("%5d bit:%6.2f %6d %6.4f %4d m_set(%5.4f)\n",size, d,num,d/num,(int)((d/num)*mod),md/10.0); num/=8; mod/=8; if (num <= 0) num=1; size*=2; } }
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