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-rw-r--r--crypto/bn/exp.c105
1 files changed, 52 insertions, 53 deletions
diff --git a/crypto/bn/exp.c b/crypto/bn/exp.c
index 4865b0ef742b..fbce28c5be9e 100644
--- a/crypto/bn/exp.c
+++ b/crypto/bn/exp.c
@@ -4,59 +4,58 @@
#include <openssl/tmdiff.h>
#include "bn_lcl.h"
-#define SIZE 256
-#define NUM (8*8*8)
-#define MOD (8*8*8*8*8)
+#define SIZE 256
+#define NUM (8*8*8)
+#define MOD (8*8*8*8*8)
-main(argc,argv)
+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;
- }
-
- }
+{
+ 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;
+ }
+
+}