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      1 /* crypto/rc2/rc2speed.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) cryptsoft.com).
      7  * The implementation was written so as to conform with Netscapes SSL.
      8  *
      9  * This library is free for commercial and non-commercial use as long as
     10  * the following conditions are aheared to.  The following conditions
     11  * apply to all code found in this distribution, be it the RC4, RSA,
     12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
     13  * included with this distribution is covered by the same copyright terms
     14  * except that the holder is Tim Hudson (tjh (at) cryptsoft.com).
     15  *
     16  * Copyright remains Eric Young's, and as such any Copyright notices in
     17  * the code are not to be removed.
     18  * If this package is used in a product, Eric Young should be given attribution
     19  * as the author of the parts of the library used.
     20  * This can be in the form of a textual message at program startup or
     21  * in documentation (online or textual) provided with the package.
     22  *
     23  * Redistribution and use in source and binary forms, with or without
     24  * modification, are permitted provided that the following conditions
     25  * are met:
     26  * 1. Redistributions of source code must retain the copyright
     27  *    notice, this list of conditions and the following disclaimer.
     28  * 2. Redistributions in binary form must reproduce the above copyright
     29  *    notice, this list of conditions and the following disclaimer in the
     30  *    documentation and/or other materials provided with the distribution.
     31  * 3. All advertising materials mentioning features or use of this software
     32  *    must display the following acknowledgement:
     33  *    "This product includes cryptographic software written by
     34  *     Eric Young (eay (at) cryptsoft.com)"
     35  *    The word 'cryptographic' can be left out if the rouines from the library
     36  *    being used are not cryptographic related :-).
     37  * 4. If you include any Windows specific code (or a derivative thereof) from
     38  *    the apps directory (application code) you must include an acknowledgement:
     39  *    "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)"
     40  *
     41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
     42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     51  * SUCH DAMAGE.
     52  *
     53  * The licence and distribution terms for any publically available version or
     54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
     55  * copied and put under another distribution licence
     56  * [including the GNU Public Licence.]
     57  */
     58 
     59 /* 11-Sep-92 Andrew Daviel   Support for Silicon Graphics IRIX added */
     60 /* 06-Apr-92 Luke Brennan    Support for VMS and add extra signal calls */
     61 
     62 #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)
     63 #define TIMES
     64 #endif
     65 
     66 #include <stdio.h>
     67 
     68 #include <openssl/e_os2.h>
     69 #include OPENSSL_UNISTD_IO
     70 OPENSSL_DECLARE_EXIT
     71 
     72 #ifndef OPENSSL_SYS_NETWARE
     73 #include <signal.h>
     74 #endif
     75 
     76 #ifndef _IRIX
     77 #include <time.h>
     78 #endif
     79 #ifdef TIMES
     80 #include <sys/types.h>
     81 #include <sys/times.h>
     82 #endif
     83 
     84 /* Depending on the VMS version, the tms structure is perhaps defined.
     85    The __TMS macro will show if it was.  If it wasn't defined, we should
     86    undefine TIMES, since that tells the rest of the program how things
     87    should be handled.				-- Richard Levitte */
     88 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)
     89 #undef TIMES
     90 #endif
     91 
     92 #ifndef TIMES
     93 #include <sys/timeb.h>
     94 #endif
     95 
     96 #if defined(sun) || defined(__ultrix)
     97 #define _POSIX_SOURCE
     98 #include <limits.h>
     99 #include <sys/param.h>
    100 #endif
    101 
    102 #include <openssl/rc2.h>
    103 
    104 /* The following if from times(3) man page.  It may need to be changed */
    105 #ifndef HZ
    106 #ifndef CLK_TCK
    107 #define HZ	100.0
    108 #else	/* CLK_TCK */
    109 #define HZ ((double)CLK_TCK)
    110 #endif	/* CLK_TCK */
    111 #endif	/* HZ */
    112 
    113 #define BUFSIZE	((long)1024)
    114 long run=0;
    115 
    116 double Time_F(int s);
    117 #ifdef SIGALRM
    118 #if defined(__STDC__) || defined(sgi) || defined(_AIX)
    119 #define SIGRETTYPE void
    120 #else
    121 #define SIGRETTYPE int
    122 #endif
    123 
    124 SIGRETTYPE sig_done(int sig);
    125 SIGRETTYPE sig_done(int sig)
    126 	{
    127 	signal(SIGALRM,sig_done);
    128 	run=0;
    129 #ifdef LINT
    130 	sig=sig;
    131 #endif
    132 	}
    133 #endif
    134 
    135 #define START	0
    136 #define STOP	1
    137 
    138 double Time_F(int s)
    139 	{
    140 	double ret;
    141 #ifdef TIMES
    142 	static struct tms tstart,tend;
    143 
    144 	if (s == START)
    145 		{
    146 		times(&tstart);
    147 		return(0);
    148 		}
    149 	else
    150 		{
    151 		times(&tend);
    152 		ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
    153 		return((ret == 0.0)?1e-6:ret);
    154 		}
    155 #else /* !times() */
    156 	static struct timeb tstart,tend;
    157 	long i;
    158 
    159 	if (s == START)
    160 		{
    161 		ftime(&tstart);
    162 		return(0);
    163 		}
    164 	else
    165 		{
    166 		ftime(&tend);
    167 		i=(long)tend.millitm-(long)tstart.millitm;
    168 		ret=((double)(tend.time-tstart.time))+((double)i)/1e3;
    169 		return((ret == 0.0)?1e-6:ret);
    170 		}
    171 #endif
    172 	}
    173 
    174 int main(int argc, char **argv)
    175 	{
    176 	long count;
    177 	static unsigned char buf[BUFSIZE];
    178 	static unsigned char key[] ={
    179 			0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
    180 			0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
    181 			};
    182 	RC2_KEY sch;
    183 	double a,b,c,d;
    184 #ifndef SIGALRM
    185 	long ca,cb,cc;
    186 #endif
    187 
    188 #ifndef TIMES
    189 	printf("To get the most accurate results, try to run this\n");
    190 	printf("program when this computer is idle.\n");
    191 #endif
    192 
    193 #ifndef SIGALRM
    194 	printf("First we calculate the approximate speed ...\n");
    195 	RC2_set_key(&sch,16,key,128);
    196 	count=10;
    197 	do	{
    198 		long i;
    199 		unsigned long data[2];
    200 
    201 		count*=2;
    202 		Time_F(START);
    203 		for (i=count; i; i--)
    204 			RC2_encrypt(data,&sch);
    205 		d=Time_F(STOP);
    206 		} while (d < 3.0);
    207 	ca=count/512;
    208 	cb=count;
    209 	cc=count*8/BUFSIZE+1;
    210 	printf("Doing RC2_set_key %ld times\n",ca);
    211 #define COND(d)	(count != (d))
    212 #define COUNT(d) (d)
    213 #else
    214 #define COND(c)	(run)
    215 #define COUNT(d) (count)
    216 	signal(SIGALRM,sig_done);
    217 	printf("Doing RC2_set_key for 10 seconds\n");
    218 	alarm(10);
    219 #endif
    220 
    221 	Time_F(START);
    222 	for (count=0,run=1; COND(ca); count+=4)
    223 		{
    224 		RC2_set_key(&sch,16,key,128);
    225 		RC2_set_key(&sch,16,key,128);
    226 		RC2_set_key(&sch,16,key,128);
    227 		RC2_set_key(&sch,16,key,128);
    228 		}
    229 	d=Time_F(STOP);
    230 	printf("%ld RC2_set_key's in %.2f seconds\n",count,d);
    231 	a=((double)COUNT(ca))/d;
    232 
    233 #ifdef SIGALRM
    234 	printf("Doing RC2_encrypt's for 10 seconds\n");
    235 	alarm(10);
    236 #else
    237 	printf("Doing RC2_encrypt %ld times\n",cb);
    238 #endif
    239 	Time_F(START);
    240 	for (count=0,run=1; COND(cb); count+=4)
    241 		{
    242 		unsigned long data[2];
    243 
    244 		RC2_encrypt(data,&sch);
    245 		RC2_encrypt(data,&sch);
    246 		RC2_encrypt(data,&sch);
    247 		RC2_encrypt(data,&sch);
    248 		}
    249 	d=Time_F(STOP);
    250 	printf("%ld RC2_encrypt's in %.2f second\n",count,d);
    251 	b=((double)COUNT(cb)*8)/d;
    252 
    253 #ifdef SIGALRM
    254 	printf("Doing RC2_cbc_encrypt on %ld byte blocks for 10 seconds\n",
    255 		BUFSIZE);
    256 	alarm(10);
    257 #else
    258 	printf("Doing RC2_cbc_encrypt %ld times on %ld byte blocks\n",cc,
    259 		BUFSIZE);
    260 #endif
    261 	Time_F(START);
    262 	for (count=0,run=1; COND(cc); count++)
    263 		RC2_cbc_encrypt(buf,buf,BUFSIZE,&sch,
    264 			&(key[0]),RC2_ENCRYPT);
    265 	d=Time_F(STOP);
    266 	printf("%ld RC2_cbc_encrypt's of %ld byte blocks in %.2f second\n",
    267 		count,BUFSIZE,d);
    268 	c=((double)COUNT(cc)*BUFSIZE)/d;
    269 
    270 	printf("RC2 set_key       per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);
    271 	printf("RC2 raw ecb bytes per sec = %12.2f (%9.3fuS)\n",b,8.0e6/b);
    272 	printf("RC2 cbc     bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);
    273 	exit(0);
    274 #if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
    275 	return(0);
    276 #endif
    277 	}
    278