diff options
Diffstat (limited to 'src/lib/libcrypto/bn/expspeed.c')
-rw-r--r-- | src/lib/libcrypto/bn/expspeed.c | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/src/lib/libcrypto/bn/expspeed.c b/src/lib/libcrypto/bn/expspeed.c new file mode 100644 index 0000000000..07a1bcf51c --- /dev/null +++ b/src/lib/libcrypto/bn/expspeed.c | |||
@@ -0,0 +1,353 @@ | |||
1 | /* unused */ | ||
2 | |||
3 | /* crypto/bn/expspeed.c */ | ||
4 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
5 | * All rights reserved. | ||
6 | * | ||
7 | * This package is an SSL implementation written | ||
8 | * by Eric Young (eay@cryptsoft.com). | ||
9 | * The implementation was written so as to conform with Netscapes SSL. | ||
10 | * | ||
11 | * This library is free for commercial and non-commercial use as long as | ||
12 | * the following conditions are aheared to. The following conditions | ||
13 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
14 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
15 | * included with this distribution is covered by the same copyright terms | ||
16 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
17 | * | ||
18 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
19 | * the code are not to be removed. | ||
20 | * If this package is used in a product, Eric Young should be given attribution | ||
21 | * as the author of the parts of the library used. | ||
22 | * This can be in the form of a textual message at program startup or | ||
23 | * in documentation (online or textual) provided with the package. | ||
24 | * | ||
25 | * Redistribution and use in source and binary forms, with or without | ||
26 | * modification, are permitted provided that the following conditions | ||
27 | * are met: | ||
28 | * 1. Redistributions of source code must retain the copyright | ||
29 | * notice, this list of conditions and the following disclaimer. | ||
30 | * 2. Redistributions in binary form must reproduce the above copyright | ||
31 | * notice, this list of conditions and the following disclaimer in the | ||
32 | * documentation and/or other materials provided with the distribution. | ||
33 | * 3. All advertising materials mentioning features or use of this software | ||
34 | * must display the following acknowledgement: | ||
35 | * "This product includes cryptographic software written by | ||
36 | * Eric Young (eay@cryptsoft.com)" | ||
37 | * The word 'cryptographic' can be left out if the rouines from the library | ||
38 | * being used are not cryptographic related :-). | ||
39 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
40 | * the apps directory (application code) you must include an acknowledgement: | ||
41 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
42 | * | ||
43 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
44 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
46 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
47 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
48 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
49 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
50 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
51 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
52 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
53 | * SUCH DAMAGE. | ||
54 | * | ||
55 | * The licence and distribution terms for any publically available version or | ||
56 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
57 | * copied and put under another distribution licence | ||
58 | * [including the GNU Public Licence.] | ||
59 | */ | ||
60 | |||
61 | /* most of this code has been pilfered from my libdes speed.c program */ | ||
62 | |||
63 | #define BASENUM 5000 | ||
64 | #define NUM_START 0 | ||
65 | |||
66 | |||
67 | /* determine timings for modexp, modmul, modsqr, gcd, Kronecker symbol, | ||
68 | * modular inverse, or modular square roots */ | ||
69 | #define TEST_EXP | ||
70 | #undef TEST_MUL | ||
71 | #undef TEST_SQR | ||
72 | #undef TEST_GCD | ||
73 | #undef TEST_KRON | ||
74 | #undef TEST_INV | ||
75 | #undef TEST_SQRT | ||
76 | #define P_MOD_64 9 /* least significant 6 bits for prime to be used for BN_sqrt timings */ | ||
77 | |||
78 | #if defined(TEST_EXP) + defined(TEST_MUL) + defined(TEST_SQR) + defined(TEST_GCD) + defined(TEST_KRON) + defined(TEST_INV) +defined(TEST_SQRT) != 1 | ||
79 | # error "choose one test" | ||
80 | #endif | ||
81 | |||
82 | #if defined(TEST_INV) || defined(TEST_SQRT) | ||
83 | # define C_PRIME | ||
84 | static void genprime_cb(int p, int n, void *arg); | ||
85 | #endif | ||
86 | |||
87 | |||
88 | |||
89 | #undef PROG | ||
90 | #define PROG bnspeed_main | ||
91 | |||
92 | #include <stdio.h> | ||
93 | #include <stdlib.h> | ||
94 | #include <signal.h> | ||
95 | #include <string.h> | ||
96 | #include <openssl/crypto.h> | ||
97 | #include <openssl/err.h> | ||
98 | #include <openssl/rand.h> | ||
99 | |||
100 | #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX) | ||
101 | #define TIMES | ||
102 | #endif | ||
103 | |||
104 | #ifndef _IRIX | ||
105 | #include <time.h> | ||
106 | #endif | ||
107 | #ifdef TIMES | ||
108 | #include <sys/types.h> | ||
109 | #include <sys/times.h> | ||
110 | #endif | ||
111 | |||
112 | /* Depending on the VMS version, the tms structure is perhaps defined. | ||
113 | The __TMS macro will show if it was. If it wasn't defined, we should | ||
114 | undefine TIMES, since that tells the rest of the program how things | ||
115 | should be handled. -- Richard Levitte */ | ||
116 | #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) | ||
117 | #undef TIMES | ||
118 | #endif | ||
119 | |||
120 | #ifndef TIMES | ||
121 | #include <sys/timeb.h> | ||
122 | #endif | ||
123 | |||
124 | #if defined(sun) || defined(__ultrix) | ||
125 | #define _POSIX_SOURCE | ||
126 | #include <limits.h> | ||
127 | #include <sys/param.h> | ||
128 | #endif | ||
129 | |||
130 | #include <openssl/bn.h> | ||
131 | #include <openssl/x509.h> | ||
132 | |||
133 | /* The following if from times(3) man page. It may need to be changed */ | ||
134 | #ifndef HZ | ||
135 | # ifndef CLK_TCK | ||
136 | # ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ | ||
137 | # define HZ 100.0 | ||
138 | # else /* _BSD_CLK_TCK_ */ | ||
139 | # define HZ ((double)_BSD_CLK_TCK_) | ||
140 | # endif | ||
141 | # else /* CLK_TCK */ | ||
142 | # define HZ ((double)CLK_TCK) | ||
143 | # endif | ||
144 | #endif | ||
145 | |||
146 | #undef BUFSIZE | ||
147 | #define BUFSIZE ((long)1024*8) | ||
148 | int run=0; | ||
149 | |||
150 | static double Time_F(int s); | ||
151 | #define START 0 | ||
152 | #define STOP 1 | ||
153 | |||
154 | static double Time_F(int s) | ||
155 | { | ||
156 | double ret; | ||
157 | #ifdef TIMES | ||
158 | static struct tms tstart,tend; | ||
159 | |||
160 | if (s == START) | ||
161 | { | ||
162 | times(&tstart); | ||
163 | return(0); | ||
164 | } | ||
165 | else | ||
166 | { | ||
167 | times(&tend); | ||
168 | ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ; | ||
169 | return((ret < 1e-3)?1e-3:ret); | ||
170 | } | ||
171 | #else /* !times() */ | ||
172 | static struct timeb tstart,tend; | ||
173 | long i; | ||
174 | |||
175 | if (s == START) | ||
176 | { | ||
177 | ftime(&tstart); | ||
178 | return(0); | ||
179 | } | ||
180 | else | ||
181 | { | ||
182 | ftime(&tend); | ||
183 | i=(long)tend.millitm-(long)tstart.millitm; | ||
184 | ret=((double)(tend.time-tstart.time))+((double)i)/1000.0; | ||
185 | return((ret < 0.001)?0.001:ret); | ||
186 | } | ||
187 | #endif | ||
188 | } | ||
189 | |||
190 | #define NUM_SIZES 7 | ||
191 | #if NUM_START > NUM_SIZES | ||
192 | # error "NUM_START > NUM_SIZES" | ||
193 | #endif | ||
194 | static int sizes[NUM_SIZES]={128,256,512,1024,2048,4096,8192}; | ||
195 | static int mul_c[NUM_SIZES]={8*8*8*8*8*8,8*8*8*8*8,8*8*8*8,8*8*8,8*8,8,1}; | ||
196 | /*static int sizes[NUM_SIZES]={59,179,299,419,539}; */ | ||
197 | |||
198 | #define RAND_SEED(string) { const char str[] = string; RAND_seed(string, sizeof str); } | ||
199 | |||
200 | void do_mul_exp(BIGNUM *r,BIGNUM *a,BIGNUM *b,BIGNUM *c,BN_CTX *ctx); | ||
201 | |||
202 | int main(int argc, char **argv) | ||
203 | { | ||
204 | BN_CTX *ctx; | ||
205 | BIGNUM *a,*b,*c,*r; | ||
206 | |||
207 | #if 1 | ||
208 | if (!CRYPTO_set_mem_debug_functions(0,0,0,0,0)) | ||
209 | abort(); | ||
210 | #endif | ||
211 | |||
212 | ctx=BN_CTX_new(); | ||
213 | a=BN_new(); | ||
214 | b=BN_new(); | ||
215 | c=BN_new(); | ||
216 | r=BN_new(); | ||
217 | |||
218 | while (!RAND_status()) | ||
219 | /* not enough bits */ | ||
220 | RAND_SEED("I demand a manual recount!"); | ||
221 | |||
222 | do_mul_exp(r,a,b,c,ctx); | ||
223 | return 0; | ||
224 | } | ||
225 | |||
226 | void do_mul_exp(BIGNUM *r, BIGNUM *a, BIGNUM *b, BIGNUM *c, BN_CTX *ctx) | ||
227 | { | ||
228 | int i,k; | ||
229 | double tm; | ||
230 | long num; | ||
231 | |||
232 | num=BASENUM; | ||
233 | for (i=NUM_START; i<NUM_SIZES; i++) | ||
234 | { | ||
235 | #ifdef C_PRIME | ||
236 | # ifdef TEST_SQRT | ||
237 | if (!BN_set_word(a, 64)) goto err; | ||
238 | if (!BN_set_word(b, P_MOD_64)) goto err; | ||
239 | # define ADD a | ||
240 | # define REM b | ||
241 | # else | ||
242 | # define ADD NULL | ||
243 | # define REM NULL | ||
244 | # endif | ||
245 | if (!BN_generate_prime(c,sizes[i],0,ADD,REM,genprime_cb,NULL)) goto err; | ||
246 | putc('\n', stderr); | ||
247 | fflush(stderr); | ||
248 | #endif | ||
249 | |||
250 | for (k=0; k<num; k++) | ||
251 | { | ||
252 | if (k%50 == 0) /* Average over num/50 different choices of random numbers. */ | ||
253 | { | ||
254 | if (!BN_pseudo_rand(a,sizes[i],1,0)) goto err; | ||
255 | |||
256 | if (!BN_pseudo_rand(b,sizes[i],1,0)) goto err; | ||
257 | |||
258 | #ifndef C_PRIME | ||
259 | if (!BN_pseudo_rand(c,sizes[i],1,1)) goto err; | ||
260 | #endif | ||
261 | |||
262 | #ifdef TEST_SQRT | ||
263 | if (!BN_mod_sqr(a,a,c,ctx)) goto err; | ||
264 | if (!BN_mod_sqr(b,b,c,ctx)) goto err; | ||
265 | #else | ||
266 | if (!BN_nnmod(a,a,c,ctx)) goto err; | ||
267 | if (!BN_nnmod(b,b,c,ctx)) goto err; | ||
268 | #endif | ||
269 | |||
270 | if (k == 0) | ||
271 | Time_F(START); | ||
272 | } | ||
273 | |||
274 | #if defined(TEST_EXP) | ||
275 | if (!BN_mod_exp(r,a,b,c,ctx)) goto err; | ||
276 | #elif defined(TEST_MUL) | ||
277 | { | ||
278 | int i = 0; | ||
279 | for (i = 0; i < 50; i++) | ||
280 | if (!BN_mod_mul(r,a,b,c,ctx)) goto err; | ||
281 | } | ||
282 | #elif defined(TEST_SQR) | ||
283 | { | ||
284 | int i = 0; | ||
285 | for (i = 0; i < 50; i++) | ||
286 | { | ||
287 | if (!BN_mod_sqr(r,a,c,ctx)) goto err; | ||
288 | if (!BN_mod_sqr(r,b,c,ctx)) goto err; | ||
289 | } | ||
290 | } | ||
291 | #elif defined(TEST_GCD) | ||
292 | if (!BN_gcd(r,a,b,ctx)) goto err; | ||
293 | if (!BN_gcd(r,b,c,ctx)) goto err; | ||
294 | if (!BN_gcd(r,c,a,ctx)) goto err; | ||
295 | #elif defined(TEST_KRON) | ||
296 | if (-2 == BN_kronecker(a,b,ctx)) goto err; | ||
297 | if (-2 == BN_kronecker(b,c,ctx)) goto err; | ||
298 | if (-2 == BN_kronecker(c,a,ctx)) goto err; | ||
299 | #elif defined(TEST_INV) | ||
300 | if (!BN_mod_inverse(r,a,c,ctx)) goto err; | ||
301 | if (!BN_mod_inverse(r,b,c,ctx)) goto err; | ||
302 | #else /* TEST_SQRT */ | ||
303 | if (!BN_mod_sqrt(r,a,c,ctx)) goto err; | ||
304 | if (!BN_mod_sqrt(r,b,c,ctx)) goto err; | ||
305 | #endif | ||
306 | } | ||
307 | tm=Time_F(STOP); | ||
308 | printf( | ||
309 | #if defined(TEST_EXP) | ||
310 | "modexp %4d ^ %4d %% %4d" | ||
311 | #elif defined(TEST_MUL) | ||
312 | "50*modmul %4d %4d %4d" | ||
313 | #elif defined(TEST_SQR) | ||
314 | "100*modsqr %4d %4d %4d" | ||
315 | #elif defined(TEST_GCD) | ||
316 | "3*gcd %4d %4d %4d" | ||
317 | #elif defined(TEST_KRON) | ||
318 | "3*kronecker %4d %4d %4d" | ||
319 | #elif defined(TEST_INV) | ||
320 | "2*inv %4d %4d mod %4d" | ||
321 | #else /* TEST_SQRT */ | ||
322 | "2*sqrt [prime == %d (mod 64)] %4d %4d mod %4d" | ||
323 | #endif | ||
324 | " -> %8.3fms %5.1f (%ld)\n", | ||
325 | #ifdef TEST_SQRT | ||
326 | P_MOD_64, | ||
327 | #endif | ||
328 | sizes[i],sizes[i],sizes[i],tm*1000.0/num,tm*mul_c[i]/num, num); | ||
329 | num/=7; | ||
330 | if (num <= 0) num=1; | ||
331 | } | ||
332 | return; | ||
333 | |||
334 | err: | ||
335 | ERR_print_errors_fp(stderr); | ||
336 | } | ||
337 | |||
338 | |||
339 | #ifdef C_PRIME | ||
340 | static void genprime_cb(int p, int n, void *arg) | ||
341 | { | ||
342 | char c='*'; | ||
343 | |||
344 | if (p == 0) c='.'; | ||
345 | if (p == 1) c='+'; | ||
346 | if (p == 2) c='*'; | ||
347 | if (p == 3) c='\n'; | ||
348 | putc(c, stderr); | ||
349 | fflush(stderr); | ||
350 | (void)n; | ||
351 | (void)arg; | ||
352 | } | ||
353 | #endif | ||