+/* unused */
+
/* crypto/bn/expspeed.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
/* most of this code has been pilfered from my libdes speed.c program */
-#define BASENUM 5000
+#define BASENUM 10000
+#define NUM_START 0
+
+
+/* determine timings for modexp, gcd, or modular inverse */
+#define TEST_EXP
+#undef TEST_GCD
+#undef TEST_INV
+
+
#undef PROG
#define PROG bnspeed_main
#include <stdlib.h>
#include <signal.h>
#include <string.h>
-#include "crypto.h"
-#include "err.h"
+#include <openssl/crypto.h>
+#include <openssl/err.h>
-#ifndef MSDOS
+#if !defined(MSDOS) && (!defined(VMS) || defined(__DECC))
#define TIMES
#endif
-#ifndef VMS
#ifndef _IRIX
#include <time.h>
#endif
#include <sys/types.h>
#include <sys/times.h>
#endif
-#else /* VMS */
-#include <types.h>
-struct tms {
- time_t tms_utime;
- time_t tms_stime;
- time_t tms_uchild; /* I dunno... */
- time_t tms_uchildsys; /* so these names are a guess :-) */
- }
+
+/* Depending on the VMS version, the tms structure is perhaps defined.
+ The __TMS macro will show if it was. If it wasn't defined, we should
+ undefine TIMES, since that tells the rest of the program how things
+ should be handled. -- Richard Levitte */
+#if defined(VMS) && defined(__DECC) && !defined(__TMS)
+#undef TIMES
#endif
+
#ifndef TIMES
#include <sys/timeb.h>
#endif
-#ifdef sun
+#if defined(sun) || defined(__ultrix)
+#define _POSIX_SOURCE
#include <limits.h>
#include <sys/param.h>
#endif
-#include "bn.h"
-#include "x509.h"
+#include <openssl/bn.h>
+#include <openssl/x509.h>
/* The following if from times(3) man page. It may need to be changed */
#ifndef HZ
# ifndef CLK_TCK
# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */
-# ifndef VMS
-# define HZ 100.0
-# else /* VMS */
-# define HZ 100.0
-# endif
+# define HZ 100.0
# else /* _BSD_CLK_TCK_ */
# define HZ ((double)_BSD_CLK_TCK_)
# endif
#define BUFSIZE ((long)1024*8)
int run=0;
-#ifndef NOPROTO
static double Time_F(int s);
-#else
-static double Time_F();
-#endif
-
#define START 0
#define STOP 1
-static double Time_F(s)
-int s;
+static double Time_F(int s)
{
double ret;
#ifdef TIMES
#endif
}
-#define NUM_SIZES 6
-static int sizes[NUM_SIZES]={256,512,1024,2048,4096,8192};
-static int mul_c[NUM_SIZES]={8*8*8*8*8,8*8*8*8,8*8*8,8*8,8,1};
+#define NUM_SIZES 7
+#if NUM_START > NUM_SIZES
+# error "NUM_START > NUM_SIZES"
+#endif
+static int sizes[NUM_SIZES]={128,256,512,1024,2048,4096,8192};
+static int mul_c[NUM_SIZES]={8*8*8*8*8*8,8*8*8*8*8,8*8*8*8,8*8*8,8*8,8,1};
/*static int sizes[NUM_SIZES]={59,179,299,419,539}; */
+#define RAND_SEED(string) { const char str[] = string; RAND_seed(string, sizeof string); }
+
+static void genprime_cb(int p, int n, void *arg)
+ {
+ char c='*';
+
+ if (p == 0) c='.';
+ if (p == 1) c='+';
+ if (p == 2) c='*';
+ if (p == 3) c='\n';
+ putc(c, stderr);
+ fflush(stderr);
+ (void)n;
+ (void)arg;
+ }
+
void do_mul_exp(BIGNUM *r,BIGNUM *a,BIGNUM *b,BIGNUM *c,BN_CTX *ctx);
-int main(argc,argv)
-int argc;
-char **argv;
+int main(int argc, char **argv)
{
BN_CTX *ctx;
BIGNUM *a,*b,*c,*r;
c=BN_new();
r=BN_new();
+ while (!RAND_status())
+ /* not enough bits */
+ RAND_SEED("I demand a manual recount!");
+
do_mul_exp(r,a,b,c,ctx);
}
-void do_mul_exp(r,a,b,c,ctx)
-BIGNUM *r;
-BIGNUM *a;
-BIGNUM *b;
-BIGNUM *c;
-BN_CTX *ctx;
+void do_mul_exp(BIGNUM *r, BIGNUM *a, BIGNUM *b, BIGNUM *c, BN_CTX *ctx)
{
int i,k;
double tm;
long num;
- BN_MONT_CTX m;
- memset(&m,0,sizeof(m));
+#if defined(TEST_EXP) + defined(TEST_GCD) + defined(TEST_INV) != 1
+# error "choose one test"
+#endif
+
+#ifdef TEST_INV
+# define C_PRIME
+#endif
num=BASENUM;
- for (i=0; i<NUM_SIZES; i++)
+ for (i=NUM_START; i<NUM_SIZES; i++)
{
- BN_rand(a,sizes[i],1,0);
- BN_rand(b,sizes[i],1,0);
- BN_rand(c,sizes[i],1,1);
- BN_mod(a,a,c,ctx);
- BN_mod(b,b,c,ctx);
-
- BN_MONT_CTX_set(&m,c,ctx);
+#ifdef C_PRIME
+ if (!BN_generate_prime(c,sizes[i],0,NULL,NULL,genprime_cb,NULL)) goto err;
+ putc('\n', stderr);
+ fflush(stderr);
+#endif
Time_F(START);
for (k=0; k<num; k++)
- BN_mod_exp_mont(r,a,b,c,ctx,&m);
+ {
+ if (k%50 == 0) /* Average over num/50 different choices of random numbers. */
+ {
+ if (!BN_pseudo_rand(a,sizes[i],1,0)) goto err;
+ if (!BN_pseudo_rand(b,sizes[i],1,0)) goto err;
+#ifndef C_PRIME
+ if (!BN_pseudo_rand(c,sizes[i],1,1)) goto err;
+#endif
+ }
+#if defined(TEST_EXP)
+ if (!BN_mod_exp(r,a,b,c,ctx)) goto err;
+#elif defined(TEST_GCD)
+ if (!BN_gcd(r,a,b,ctx)) goto err;
+ if (!BN_gcd(r,b,c,ctx)) goto err;
+ if (!BN_gcd(r,b,c,ctx)) goto err;
+#else /* TEST_INV */
+ if (!BN_mod_inverse(r,a,c,ctx)) goto err;
+ if (!BN_mod_inverse(r,b,c,ctx)) goto err;
+#endif
+ }
tm=Time_F(STOP);
- printf("mul %4d ^ %4d %% %d -> %8.3fms %5.1f\n",sizes[i],sizes[i],sizes[i],tm*1000.0/num,tm*mul_c[i]/num);
+ printf(
+#if defined(TEST_EXP)
+ "modexp %4d ^ %4d %% %4d"
+#elif defined(TEST_GCD)
+ "3*gcd %4d %4d %4d"
+#else /* TEST_INV */
+ "2*inv %4d %4d mod %4d"
+#endif
+ " -> %8.3fms %5.1f (%d)\n",sizes[i],sizes[i],sizes[i],tm*1000.0/num,tm*mul_c[i]/num, num);
num/=7;
if (num <= 0) num=1;
}
+ return;
+ err:
+ ERR_print_errors_fp(stderr);
}
projects / openssl.git / blobdiff