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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
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Diffstat (limited to 'openssl/crypto/bn/bnspeed.c')
-rw-r--r--openssl/crypto/bn/bnspeed.c233
1 files changed, 233 insertions, 0 deletions
diff --git a/openssl/crypto/bn/bnspeed.c b/openssl/crypto/bn/bnspeed.c
new file mode 100644
index 000000000..b554ac8cf
--- /dev/null
+++ b/openssl/crypto/bn/bnspeed.c
@@ -0,0 +1,233 @@
+/* unused */
+
+/* crypto/bn/bnspeed.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 1000000
+#undef PROG
+#define PROG bnspeed_main
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>
+#include <openssl/crypto.h>
+#include <openssl/err.h>
+
+#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
+#define TIMES
+#endif
+
+#ifndef _IRIX
+#include <time.h>
+#endif
+#ifdef TIMES
+#include <sys/types.h>
+#include <sys/times.h>
+#endif
+
+/* 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(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
+#undef TIMES
+#endif
+
+#ifndef TIMES
+#include <sys/timeb.h>
+#endif
+
+#if defined(sun) || defined(__ultrix)
+#define _POSIX_SOURCE
+#include <limits.h>
+#include <sys/param.h>
+#endif
+
+#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 */
+# define HZ 100.0
+# 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;
+
+static double Time_F(int s);
+#define START 0
+#define STOP 1
+
+static double Time_F(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 5
+static int sizes[NUM_SIZES]={128,256,512,1024,2048};
+/*static int sizes[NUM_SIZES]={59,179,299,419,539}; */
+
+void do_mul(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_CTX *ctx);
+
+int main(int argc, char **argv)
+ {
+ BN_CTX *ctx;
+ BIGNUM a,b,c;
+
+ ctx=BN_CTX_new();
+ BN_init(&a);
+ BN_init(&b);
+ BN_init(&c);
+
+ do_mul(&a,&b,&c,ctx);
+ }
+
+void do_mul(BIGNUM *r, BIGNUM *a, BIGNUM *b, BN_CTX *ctx)
+ {
+ int i,j,k;
+ double tm;
+ long num;
+
+ for (i=0; i<NUM_SIZES; i++)
+ {
+ num=BASENUM;
+ if (i) num/=(i*3);
+ BN_rand(a,sizes[i],1,0);
+ for (j=i; j<NUM_SIZES; j++)
+ {
+ BN_rand(b,sizes[j],1,0);
+ Time_F(START);
+ for (k=0; k<num; k++)
+ BN_mul(r,b,a,ctx);
+ tm=Time_F(STOP);
+ printf("mul %4d x %4d -> %8.3fms\n",sizes[i],sizes[j],tm*1000.0/num);
+ }
+ }
+
+ for (i=0; i<NUM_SIZES; i++)
+ {
+ num=BASENUM;
+ if (i) num/=(i*3);
+ BN_rand(a,sizes[i],1,0);
+ Time_F(START);
+ for (k=0; k<num; k++)
+ BN_sqr(r,a,ctx);
+ tm=Time_F(STOP);
+ printf("sqr %4d x %4d -> %8.3fms\n",sizes[i],sizes[i],tm*1000.0/num);
+ }
+
+ for (i=0; i<NUM_SIZES; i++)
+ {
+ num=BASENUM/10;
+ if (i) num/=(i*3);
+ BN_rand(a,sizes[i]-1,1,0);
+ for (j=i; j<NUM_SIZES; j++)
+ {
+ BN_rand(b,sizes[j],1,0);
+ Time_F(START);
+ for (k=0; k<100000; k++)
+ BN_div(r, NULL, b, a,ctx);
+ tm=Time_F(STOP);
+ printf("div %4d / %4d -> %8.3fms\n",sizes[j],sizes[i]-1,tm*1000.0/num);
+ }
+ }
+ }
+