1 /* crypto/rc4/rc4speed.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@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@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@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@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/rc4.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
111 #endif
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);
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
Time_F(int s)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
main(int argc,char ** argv)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 RC4_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 RC4_set_key(&sch,16,key);
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 RC4(&sch,8,buf,buf);
205 d=Time_F(STOP);
206 } while (d < 3.0);
207 ca=count/512;
208 cc=count*8/BUFSIZE+1;
209 printf("Doing RC4_set_key %ld times\n",ca);
210 #define COND(d) (count != (d))
211 #define COUNT(d) (d)
212 #else
213 #define COND(c) (run)
214 #define COUNT(d) (count)
215 signal(SIGALRM,sig_done);
216 printf("Doing RC4_set_key for 10 seconds\n");
217 alarm(10);
218 #endif
219
220 Time_F(START);
221 for (count=0,run=1; COND(ca); count+=4)
222 {
223 RC4_set_key(&sch,16,key);
224 RC4_set_key(&sch,16,key);
225 RC4_set_key(&sch,16,key);
226 RC4_set_key(&sch,16,key);
227 }
228 d=Time_F(STOP);
229 printf("%ld RC4_set_key's in %.2f seconds\n",count,d);
230 a=((double)COUNT(ca))/d;
231
232 #ifdef SIGALRM
233 printf("Doing RC4 on %ld byte blocks for 10 seconds\n",BUFSIZE);
234 alarm(10);
235 #else
236 printf("Doing RC4 %ld times on %ld byte blocks\n",cc,BUFSIZE);
237 #endif
238 Time_F(START);
239 for (count=0,run=1; COND(cc); count++)
240 RC4(&sch,BUFSIZE,buf,buf);
241 d=Time_F(STOP);
242 printf("%ld RC4's of %ld byte blocks in %.2f second\n",
243 count,BUFSIZE,d);
244 c=((double)COUNT(cc)*BUFSIZE)/d;
245
246 printf("RC4 set_key per sec = %12.2f (%9.3fuS)\n",a,1.0e6/a);
247 printf("RC4 bytes per sec = %12.2f (%9.3fuS)\n",c,8.0e6/c);
248 exit(0);
249 #if defined(LINT) || defined(OPENSSL_SYS_MSDOS)
250 return(0);
251 #endif
252 }
253
254