1 files changed, 230 insertions, 0 deletions

diff --git a/src/lib/libcrypto/bn/expspeed.c b/src/lib/libcrypto/bn/expspeed.c
new file mode 100644
index 0000000000..344f883d35
--- /dev/null
+++ b/src/lib/libcrypto/bn/expspeed.c
@@ -0,0 +1,230 @@
+/* crypto/bn/expspeed.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+/* most of this code has been pilfered from my libdes speed.c program */
+
+#define BASENUM 5000
+#undef PROG
+#define PROG bnspeed_main
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>
+#include "crypto.h"
+#include "err.h"
+
+#ifndef MSDOS
+#define TIMES
+#endif
+
+#ifndef VMS
+#ifndef _IRIX
+#include <time.h>
+#endif
+#ifdef TIMES
+#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 :-) */
+        }
+#endif
+#ifndef TIMES
+#include <sys/timeb.h>
+#endif
+
+#ifdef sun
+#include <limits.h>
+#include <sys/param.h>
+#endif
+
+#include "bn.h"
+#include "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
+#  else /* _BSD_CLK_TCK_ */
+#   define HZ ((double)_BSD_CLK_TCK_)
+#  endif
+# else /* CLK_TCK */
+#  define HZ ((double)CLK_TCK)
+# endif
+#endif
+
+#undef BUFSIZE
+#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;
+        {
+        double ret;
+#ifdef TIMES
+        static struct tms tstart,tend;
+
+        if (s == START)
+                {
+                times(&tstart);
+                return(0);
+                }
+        else
+                {
+                times(&tend);
+                ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
+                return((ret < 1e-3)?1e-3:ret);
+                }
+#else /* !times() */
+        static struct timeb tstart,tend;
+        long i;
+
+        if (s == START)
+                {
+                ftime(&tstart);
+                return(0);
+                }
+        else
+                {
+                ftime(&tend);
+                i=(long)tend.millitm-(long)tstart.millitm;
+                ret=((double)(tend.time-tstart.time))+((double)i)/1000.0;
+                return((ret < 0.001)?0.001:ret);
+                }
+#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};
+/*static int sizes[NUM_SIZES]={59,179,299,419,539}; */
+
+void do_mul_exp(BIGNUM *r,BIGNUM *a,BIGNUM *b,BIGNUM *c,BN_CTX *ctx); 
+
+int main(argc,argv)
+int argc;
+char **argv;
+        {
+        BN_CTX *ctx;
+        BIGNUM *a,*b,*c,*r;
+
+        ctx=BN_CTX_new();
+        a=BN_new();
+        b=BN_new();
+        c=BN_new();
+        r=BN_new();
+
+        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;
+        {
+        int i,k;
+        double tm;
+        long num;
+        BN_MONT_CTX m;
+
+        memset(&m,0,sizeof(m));
+
+        num=BASENUM;
+        for (i=0; 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);
+
+                Time_F(START);
+                for (k=0; k<num; k++)
+                        BN_mod_exp_mont(r,a,b,c,ctx,&m);
+                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);
+                num/=7;
+                if (num <= 0) num=1;
+                }
+
+        }
+