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58964a49 RE |
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. | |
ae5c8664 | 8 | * |
58964a49 RE |
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). | |
ae5c8664 | 15 | * |
58964a49 RE |
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. | |
ae5c8664 | 22 | * |
58964a49 RE |
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 :-). | |
ae5c8664 | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
58964a49 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
ae5c8664 | 40 | * |
58964a49 RE |
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. | |
ae5c8664 | 52 | * |
58964a49 RE |
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 | ||
70d70a3c | 62 | #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX) |
ae5c8664 | 63 | # define TIMES |
58964a49 RE |
64 | #endif |
65 | ||
66 | #include <stdio.h> | |
e766a681 BM |
67 | |
68 | #include <openssl/e_os2.h> | |
69 | #include OPENSSL_UNISTD_IO | |
70 | OPENSSL_DECLARE_EXIT | |
4d8743f4 | 71 | #ifndef OPENSSL_SYS_NETWARE |
ae5c8664 | 72 | # include <signal.h> |
4d8743f4 | 73 | #endif |
58964a49 | 74 | #ifndef _IRIX |
ae5c8664 | 75 | # include <time.h> |
58964a49 RE |
76 | #endif |
77 | #ifdef TIMES | |
ae5c8664 MC |
78 | # include <sys/types.h> |
79 | # include <sys/times.h> | |
80 | #endif | |
81 | /* | |
82 | * Depending on the VMS version, the tms structure is perhaps defined. | |
83 | * The __TMS macro will show if it was. If it wasn't defined, we should | |
84 | * undefine TIMES, since that tells the rest of the program how things | |
85 | * should be handled. -- Richard Levitte | |
86 | */ | |
bc36ee62 | 87 | #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) |
ae5c8664 | 88 | # undef TIMES |
58964a49 RE |
89 | #endif |
90 | #ifndef TIMES | |
ae5c8664 | 91 | # include <sys/timeb.h> |
58964a49 | 92 | #endif |
dfeab068 | 93 | #if defined(sun) || defined(__ultrix) |
ae5c8664 MC |
94 | # define _POSIX_SOURCE |
95 | # include <limits.h> | |
96 | # include <sys/param.h> | |
58964a49 | 97 | #endif |
ec577822 | 98 | #include <openssl/rc4.h> |
58964a49 RE |
99 | /* The following if from times(3) man page. It may need to be changed */ |
100 | #ifndef HZ | |
ae5c8664 MC |
101 | # ifndef CLK_TCK |
102 | # define HZ 100.0 | |
103 | # else /* CLK_TCK */ | |
104 | # define HZ ((double)CLK_TCK) | |
105 | # endif | |
58964a49 | 106 | #endif |
ae5c8664 MC |
107 | #define BUFSIZE ((long)1024) |
108 | long run = 0; | |
58964a49 | 109 | |
58964a49 | 110 | double Time_F(int s); |
58964a49 | 111 | #ifdef SIGALRM |
ae5c8664 MC |
112 | # if defined(__STDC__) || defined(sgi) || defined(_AIX) |
113 | # define SIGRETTYPE void | |
114 | # else | |
115 | # define SIGRETTYPE int | |
116 | # endif | |
58964a49 | 117 | |
58964a49 | 118 | SIGRETTYPE sig_done(int sig); |
6b691a5c | 119 | SIGRETTYPE sig_done(int sig) |
ae5c8664 MC |
120 | { |
121 | signal(SIGALRM, sig_done); | |
122 | run = 0; | |
123 | # ifdef LINT | |
124 | sig = sig; | |
125 | # endif | |
126 | } | |
58964a49 RE |
127 | #endif |
128 | ||
ae5c8664 MC |
129 | #define START 0 |
130 | #define STOP 1 | |
58964a49 | 131 | |
6b691a5c | 132 | double Time_F(int s) |
ae5c8664 MC |
133 | { |
134 | double ret; | |
58964a49 | 135 | #ifdef TIMES |
ae5c8664 MC |
136 | static struct tms tstart, tend; |
137 | ||
138 | if (s == START) { | |
139 | times(&tstart); | |
140 | return (0); | |
141 | } else { | |
142 | times(&tend); | |
143 | ret = ((double)(tend.tms_utime - tstart.tms_utime)) / HZ; | |
144 | return ((ret == 0.0) ? 1e-6 : ret); | |
145 | } | |
146 | #else /* !times() */ | |
147 | static struct timeb tstart, tend; | |
148 | long i; | |
149 | ||
150 | if (s == START) { | |
151 | ftime(&tstart); | |
152 | return (0); | |
153 | } else { | |
154 | ftime(&tend); | |
155 | i = (long)tend.millitm - (long)tstart.millitm; | |
156 | ret = ((double)(tend.time - tstart.time)) + ((double)i) / 1e3; | |
157 | return ((ret == 0.0) ? 1e-6 : ret); | |
158 | } | |
159 | #endif | |
160 | } | |
58964a49 | 161 | |
6b691a5c | 162 | int main(int argc, char **argv) |
ae5c8664 MC |
163 | { |
164 | long count; | |
165 | static unsigned char buf[BUFSIZE]; | |
166 | static unsigned char key[] = { | |
167 | 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, | |
168 | 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, | |
169 | }; | |
170 | RC4_KEY sch; | |
171 | double a, b, c, d; | |
58964a49 | 172 | #ifndef SIGALRM |
ae5c8664 | 173 | long ca, cb, cc; |
58964a49 RE |
174 | #endif |
175 | ||
176 | #ifndef TIMES | |
ae5c8664 MC |
177 | printf("To get the most accurate results, try to run this\n"); |
178 | printf("program when this computer is idle.\n"); | |
58964a49 RE |
179 | #endif |
180 | ||
181 | #ifndef SIGALRM | |
ae5c8664 MC |
182 | printf("First we calculate the approximate speed ...\n"); |
183 | RC4_set_key(&sch, 16, key); | |
184 | count = 10; | |
185 | do { | |
186 | long i; | |
187 | unsigned long data[2]; | |
188 | ||
189 | count *= 2; | |
190 | Time_F(START); | |
191 | for (i = count; i; i--) | |
192 | RC4(&sch, 8, buf, buf); | |
193 | d = Time_F(STOP); | |
194 | } while (d < 3.0); | |
195 | ca = count / 512; | |
196 | cc = count * 8 / BUFSIZE + 1; | |
197 | printf("Doing RC4_set_key %ld times\n", ca); | |
198 | # define COND(d) (count != (d)) | |
199 | # define COUNT(d) (d) | |
58964a49 | 200 | #else |
ae5c8664 MC |
201 | # define COND(c) (run) |
202 | # define COUNT(d) (count) | |
203 | signal(SIGALRM, sig_done); | |
204 | printf("Doing RC4_set_key for 10 seconds\n"); | |
205 | alarm(10); | |
206 | #endif | |
207 | ||
208 | Time_F(START); | |
209 | for (count = 0, run = 1; COND(ca); count += 4) { | |
210 | RC4_set_key(&sch, 16, key); | |
211 | RC4_set_key(&sch, 16, key); | |
212 | RC4_set_key(&sch, 16, key); | |
213 | RC4_set_key(&sch, 16, key); | |
214 | } | |
215 | d = Time_F(STOP); | |
216 | printf("%ld RC4_set_key's in %.2f seconds\n", count, d); | |
217 | a = ((double)COUNT(ca)) / d; | |
58964a49 RE |
218 | |
219 | #ifdef SIGALRM | |
ae5c8664 MC |
220 | printf("Doing RC4 on %ld byte blocks for 10 seconds\n", BUFSIZE); |
221 | alarm(10); | |
58964a49 | 222 | #else |
ae5c8664 MC |
223 | printf("Doing RC4 %ld times on %ld byte blocks\n", cc, BUFSIZE); |
224 | #endif | |
225 | Time_F(START); | |
226 | for (count = 0, run = 1; COND(cc); count++) | |
227 | RC4(&sch, BUFSIZE, buf, buf); | |
228 | d = Time_F(STOP); | |
229 | printf("%ld RC4's of %ld byte blocks in %.2f second\n", | |
230 | count, BUFSIZE, d); | |
231 | c = ((double)COUNT(cc) * BUFSIZE) / d; | |
232 | ||
233 | printf("RC4 set_key per sec = %12.2f (%9.3fuS)\n", a, 1.0e6 / a); | |
234 | printf("RC4 bytes per sec = %12.2f (%9.3fuS)\n", c, 8.0e6 / c); | |
235 | exit(0); | |
bc36ee62 | 236 | #if defined(LINT) || defined(OPENSSL_SYS_MSDOS) |
ae5c8664 | 237 | return (0); |
58964a49 | 238 | #endif |
ae5c8664 | 239 | } |