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d02b48c6 | 1 | /* crypto/bn/bnspeed.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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 | ||
58964a49 | 61 | #define BASENUM 1000000 |
d02b48c6 RE |
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> | |
69 | #include "crypto.h" | |
70 | #include "err.h" | |
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 | ||
97 | #ifdef sun | |
98 | #include <limits.h> | |
99 | #include <sys/param.h> | |
100 | #endif | |
101 | ||
102 | #include "bn.h" | |
103 | #include "x509.h" | |
104 | ||
105 | /* The following if from times(3) man page. It may need to be changed */ | |
106 | #ifndef HZ | |
107 | # ifndef CLK_TCK | |
108 | # ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ | |
109 | # ifndef VMS | |
110 | # define HZ 100.0 | |
111 | # else /* VMS */ | |
112 | # define HZ 100.0 | |
113 | # endif | |
114 | # else /* _BSD_CLK_TCK_ */ | |
115 | # define HZ ((double)_BSD_CLK_TCK_) | |
116 | # endif | |
117 | # else /* CLK_TCK */ | |
118 | # define HZ ((double)CLK_TCK) | |
119 | # endif | |
120 | #endif | |
121 | ||
122 | #undef BUFSIZE | |
123 | #define BUFSIZE ((long)1024*8) | |
124 | int run=0; | |
125 | ||
126 | #ifndef NOPROTO | |
127 | static double Time_F(int s); | |
128 | #else | |
129 | static double Time_F(); | |
130 | #endif | |
131 | ||
132 | #define START 0 | |
133 | #define STOP 1 | |
134 | ||
135 | static double Time_F(s) | |
136 | int s; | |
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 5 | |
58964a49 RE |
173 | static int sizes[NUM_SIZES]={128,256,512,1024,2048}; |
174 | /*static int sizes[NUM_SIZES]={59,179,299,419,539}; */ | |
d02b48c6 RE |
175 | |
176 | void do_mul(BIGNUM *r,BIGNUM *a,BIGNUM *b,BN_CTX *ctx); | |
177 | ||
178 | int main(argc,argv) | |
179 | int argc; | |
180 | char **argv; | |
181 | { | |
182 | BN_CTX *ctx; | |
183 | BIGNUM *a,*b,*c,*r; | |
184 | ||
185 | ctx=BN_CTX_new(); | |
186 | a=BN_new(); | |
187 | b=BN_new(); | |
188 | c=BN_new(); | |
189 | r=BN_new(); | |
190 | ||
191 | do_mul(a,b,c,ctx); | |
192 | } | |
193 | ||
194 | void do_mul(r,a,b,ctx) | |
195 | BIGNUM *r; | |
196 | BIGNUM *a; | |
197 | BIGNUM *b; | |
198 | BN_CTX *ctx; | |
199 | { | |
200 | int i,j,k; | |
201 | double tm; | |
58964a49 | 202 | long num; |
d02b48c6 RE |
203 | |
204 | for (i=0; i<NUM_SIZES; i++) | |
205 | { | |
58964a49 RE |
206 | num=BASENUM; |
207 | if (i) num/=(i*3); | |
d02b48c6 RE |
208 | BN_rand(a,sizes[i],1,0); |
209 | for (j=i; j<NUM_SIZES; j++) | |
210 | { | |
211 | BN_rand(b,sizes[j],1,0); | |
212 | Time_F(START); | |
58964a49 | 213 | for (k=0; k<num; k++) |
d02b48c6 RE |
214 | BN_mul(r,b,a); |
215 | tm=Time_F(STOP); | |
58964a49 | 216 | printf("mul %4d x %4d -> %8.3fms\n",sizes[i],sizes[j],tm*1000.0/num); |
d02b48c6 RE |
217 | } |
218 | } | |
219 | ||
220 | for (i=0; i<NUM_SIZES; i++) | |
221 | { | |
58964a49 RE |
222 | num=BASENUM; |
223 | if (i) num/=(i*3); | |
d02b48c6 RE |
224 | BN_rand(a,sizes[i],1,0); |
225 | Time_F(START); | |
58964a49 | 226 | for (k=0; k<num; k++) |
d02b48c6 RE |
227 | BN_sqr(r,a,ctx); |
228 | tm=Time_F(STOP); | |
58964a49 | 229 | printf("sqr %4d x %4d -> %8.3fms\n",sizes[i],sizes[i],tm*1000.0/num); |
d02b48c6 RE |
230 | } |
231 | ||
232 | for (i=0; i<NUM_SIZES; i++) | |
233 | { | |
58964a49 RE |
234 | num=BASENUM/10; |
235 | if (i) num/=(i*3); | |
236 | BN_rand(a,sizes[i]-1,1,0); | |
d02b48c6 RE |
237 | for (j=i; j<NUM_SIZES; j++) |
238 | { | |
239 | BN_rand(b,sizes[j],1,0); | |
240 | Time_F(START); | |
241 | for (k=0; k<100000; k++) | |
242 | BN_div(r, NULL, b, a,ctx); | |
243 | tm=Time_F(STOP); | |
58964a49 | 244 | printf("div %4d / %4d -> %8.3fms\n",sizes[j],sizes[i]-1,tm*1000.0/num); |
d02b48c6 RE |
245 | } |
246 | } | |
247 | } | |
248 |