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58964a49 RE |
1 | /* crypto/bn/expspeed.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 | /* most of this code has been pilfered from my libdes speed.c program */ | |
60 | ||
61 | #define BASENUM 5000 | |
62 | #undef PROG | |
63 | #define PROG bnspeed_main | |
64 | ||
65 | #include <stdio.h> | |
66 | #include <stdlib.h> | |
67 | #include <signal.h> | |
68 | #include <string.h> | |
ec577822 BM |
69 | #include <openssl/crypto.h> |
70 | #include <openssl/err.h> | |
58964a49 RE |
71 | |
72 | #ifndef MSDOS | |
73 | #define TIMES | |
74 | #endif | |
75 | ||
76 | #ifndef VMS | |
77 | #ifndef _IRIX | |
78 | #include <time.h> | |
79 | #endif | |
80 | #ifdef TIMES | |
81 | #include <sys/types.h> | |
82 | #include <sys/times.h> | |
83 | #endif | |
84 | #else /* VMS */ | |
85 | #include <types.h> | |
86 | struct tms { | |
87 | time_t tms_utime; | |
88 | time_t tms_stime; | |
89 | time_t tms_uchild; /* I dunno... */ | |
90 | time_t tms_uchildsys; /* so these names are a guess :-) */ | |
91 | } | |
92 | #endif | |
93 | #ifndef TIMES | |
94 | #include <sys/timeb.h> | |
95 | #endif | |
96 | ||
dfeab068 RE |
97 | #if defined(sun) || defined(__ultrix) |
98 | #define _POSIX_SOURCE | |
58964a49 RE |
99 | #include <limits.h> |
100 | #include <sys/param.h> | |
101 | #endif | |
102 | ||
ec577822 BM |
103 | #include <openssl/bn.h> |
104 | #include <openssl/x509.h> | |
58964a49 RE |
105 | |
106 | /* The following if from times(3) man page. It may need to be changed */ | |
107 | #ifndef HZ | |
108 | # ifndef CLK_TCK | |
109 | # ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ | |
110 | # ifndef VMS | |
111 | # define HZ 100.0 | |
112 | # else /* VMS */ | |
113 | # define HZ 100.0 | |
114 | # endif | |
115 | # else /* _BSD_CLK_TCK_ */ | |
116 | # define HZ ((double)_BSD_CLK_TCK_) | |
117 | # endif | |
118 | # else /* CLK_TCK */ | |
119 | # define HZ ((double)CLK_TCK) | |
120 | # endif | |
121 | #endif | |
122 | ||
123 | #undef BUFSIZE | |
124 | #define BUFSIZE ((long)1024*8) | |
125 | int run=0; | |
126 | ||
127 | #ifndef NOPROTO | |
128 | static double Time_F(int s); | |
129 | #else | |
130 | static double Time_F(); | |
131 | #endif | |
132 | ||
133 | #define START 0 | |
134 | #define STOP 1 | |
135 | ||
6b691a5c | 136 | static double Time_F(int s) |
58964a49 RE |
137 | { |
138 | double ret; | |
139 | #ifdef TIMES | |
140 | static struct tms tstart,tend; | |
141 | ||
142 | if (s == START) | |
143 | { | |
144 | times(&tstart); | |
145 | return(0); | |
146 | } | |
147 | else | |
148 | { | |
149 | times(&tend); | |
150 | ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ; | |
151 | return((ret < 1e-3)?1e-3:ret); | |
152 | } | |
153 | #else /* !times() */ | |
154 | static struct timeb tstart,tend; | |
155 | long i; | |
156 | ||
157 | if (s == START) | |
158 | { | |
159 | ftime(&tstart); | |
160 | return(0); | |
161 | } | |
162 | else | |
163 | { | |
164 | ftime(&tend); | |
165 | i=(long)tend.millitm-(long)tstart.millitm; | |
166 | ret=((double)(tend.time-tstart.time))+((double)i)/1000.0; | |
167 | return((ret < 0.001)?0.001:ret); | |
168 | } | |
169 | #endif | |
170 | } | |
171 | ||
172 | #define NUM_SIZES 6 | |
173 | static int sizes[NUM_SIZES]={256,512,1024,2048,4096,8192}; | |
174 | static int mul_c[NUM_SIZES]={8*8*8*8*8,8*8*8*8,8*8*8,8*8,8,1}; | |
175 | /*static int sizes[NUM_SIZES]={59,179,299,419,539}; */ | |
176 | ||
177 | void do_mul_exp(BIGNUM *r,BIGNUM *a,BIGNUM *b,BIGNUM *c,BN_CTX *ctx); | |
178 | ||
6b691a5c | 179 | int main(int argc, char **argv) |
58964a49 RE |
180 | { |
181 | BN_CTX *ctx; | |
182 | BIGNUM *a,*b,*c,*r; | |
183 | ||
184 | ctx=BN_CTX_new(); | |
185 | a=BN_new(); | |
186 | b=BN_new(); | |
187 | c=BN_new(); | |
188 | r=BN_new(); | |
189 | ||
190 | do_mul_exp(r,a,b,c,ctx); | |
191 | } | |
192 | ||
6b691a5c | 193 | void do_mul_exp(BIGNUM *r, BIGNUM *a, BIGNUM *b, BIGNUM *c, BN_CTX *ctx) |
58964a49 RE |
194 | { |
195 | int i,k; | |
196 | double tm; | |
197 | long num; | |
198 | BN_MONT_CTX m; | |
199 | ||
200 | memset(&m,0,sizeof(m)); | |
201 | ||
202 | num=BASENUM; | |
203 | for (i=0; i<NUM_SIZES; i++) | |
204 | { | |
205 | BN_rand(a,sizes[i],1,0); | |
206 | BN_rand(b,sizes[i],1,0); | |
207 | BN_rand(c,sizes[i],1,1); | |
208 | BN_mod(a,a,c,ctx); | |
209 | BN_mod(b,b,c,ctx); | |
210 | ||
211 | BN_MONT_CTX_set(&m,c,ctx); | |
212 | ||
213 | Time_F(START); | |
214 | for (k=0; k<num; k++) | |
215 | BN_mod_exp_mont(r,a,b,c,ctx,&m); | |
216 | tm=Time_F(STOP); | |
217 | 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); | |
218 | num/=7; | |
219 | if (num <= 0) num=1; | |
220 | } | |
221 | ||
222 | } | |
223 |