1 /* $NetBSD: test_dh.c,v 1.2 2017/01/28 21:31:47 christos Exp $ */
2
3 /*
4 * Copyright (c) 2007, Novell, Inc.
5 * Author: Matthias Koenig <mkoenig@suse.de>
6 *
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 * * Redistributions of source code must retain the above copyright notice, this
13 * list of conditions and the following disclaimer.
14 *
15 * * Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 *
19 * * Neither the name of the Novell nor the names of its contributors may be used
20 * to endorse or promote products derived from this software without specific
21 * prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 /* openssl diffie-hellman test code
37 * works with openssl-0.9.8e
38 * primes with 3072 and 6144 bits as specified in RFC3526
39 * fail since openssl-0.9.8f
40 */
41
42 #include <config.h>
43 #include <krb5/roken.h>
44
45 #include <ctype.h>
46 #include <krb5/getarg.h>
47
48 #include <dh.h>
49 #include <evp.h>
50
51 /*
52 *
53 */
54
55 static char *id_string;
56 static int verbose;
57 static int version_flag;
58 static int help_flag;
59
60 static struct getargs args[] = {
61 { "id", 0, arg_string, &id_string,
62 "type of ENGINE", NULL },
63 { "verbose", 0, arg_flag, &verbose,
64 "verbose output from tests", NULL },
65 { "version", 0, arg_flag, &version_flag,
66 "print version", NULL },
67 { "help", 0, arg_flag, &help_flag,
68 NULL, NULL }
69 };
70
71 /*
72 *
73 */
74
75 #define OAKLEY_PRIME_MODP768 \
76 "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" \
77 "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" \
78 "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" \
79 "E485B576 625E7EC6 F44C42E9 A63A3620 FFFFFFFF FFFFFFFF"
80
81 #define OAKLEY_PRIME_MODP1024 \
82 "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" \
83 "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" \
84 "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" \
85 "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" \
86 "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE65381" \
87 "FFFFFFFF FFFFFFFF"
88
89 #define OAKLEY_PRIME_MODP1536 \
90 "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" \
91 "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" \
92 "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" \
93 "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" \
94 "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" \
95 "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" \
96 "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" \
97 "670C354E 4ABC9804 F1746C08 CA237327 FFFFFFFF FFFFFFFF"
98
99 /* RFC 3526 */
100 #define OAKLEY_PRIME_MODP2048 \
101 "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" \
102 "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" \
103 "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" \
104 "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" \
105 "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" \
106 "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" \
107 "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" \
108 "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" \
109 "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" \
110 "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" \
111 "15728E5A 8AACAA68 FFFFFFFF FFFFFFFF"
112
113 #define OAKLEY_PRIME_MODP3072 \
114 "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" \
115 "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" \
116 "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" \
117 "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" \
118 "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" \
119 "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" \
120 "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" \
121 "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" \
122 "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" \
123 "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" \
124 "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" \
125 "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" \
126 "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" \
127 "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" \
128 "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" \
129 "43DB5BFC E0FD108E 4B82D120 A93AD2CA FFFFFFFF FFFFFFFF"
130
131 #define OAKLEY_PRIME_MODP4096 \
132 "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" \
133 "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" \
134 "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" \
135 "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" \
136 "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" \
137 "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" \
138 "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" \
139 "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" \
140 "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" \
141 "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" \
142 "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" \
143 "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" \
144 "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" \
145 "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" \
146 "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" \
147 "43DB5BFC E0FD108E 4B82D120 A9210801 1A723C12 A787E6D7" \
148 "88719A10 BDBA5B26 99C32718 6AF4E23C 1A946834 B6150BDA" \
149 "2583E9CA 2AD44CE8 DBBBC2DB 04DE8EF9 2E8EFC14 1FBECAA6" \
150 "287C5947 4E6BC05D 99B2964F A090C3A2 233BA186 515BE7ED" \
151 "1F612970 CEE2D7AF B81BDD76 2170481C D0069127 D5B05AA9" \
152 "93B4EA98 8D8FDDC1 86FFB7DC 90A6C08F 4DF435C9 34063199" \
153 "FFFFFFFF FFFFFFFF"
154
155 #define OAKLEY_PRIME_MODP6144 \
156 "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" \
157 "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" \
158 "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" \
159 "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" \
160 "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" \
161 "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" \
162 "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" \
163 "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" \
164 "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" \
165 "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" \
166 "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" \
167 "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" \
168 "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" \
169 "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" \
170 "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" \
171 "43DB5BFC E0FD108E 4B82D120 A9210801 1A723C12 A787E6D7" \
172 "88719A10 BDBA5B26 99C32718 6AF4E23C 1A946834 B6150BDA" \
173 "2583E9CA 2AD44CE8 DBBBC2DB 04DE8EF9 2E8EFC14 1FBECAA6" \
174 "287C5947 4E6BC05D 99B2964F A090C3A2 233BA186 515BE7ED" \
175 "1F612970 CEE2D7AF B81BDD76 2170481C D0069127 D5B05AA9" \
176 "93B4EA98 8D8FDDC1 86FFB7DC 90A6C08F 4DF435C9 34028492" \
177 "36C3FAB4 D27C7026 C1D4DCB2 602646DE C9751E76 3DBA37BD" \
178 "F8FF9406 AD9E530E E5DB382F 413001AE B06A53ED 9027D831" \
179 "179727B0 865A8918 DA3EDBEB CF9B14ED 44CE6CBA CED4BB1B" \
180 "DB7F1447 E6CC254B 33205151 2BD7AF42 6FB8F401 378CD2BF" \
181 "5983CA01 C64B92EC F032EA15 D1721D03 F482D7CE 6E74FEF6" \
182 "D55E702F 46980C82 B5A84031 900B1C9E 59E7C97F BEC7E8F3" \
183 "23A97A7E 36CC88BE 0F1D45B7 FF585AC5 4BD407B2 2B4154AA" \
184 "CC8F6D7E BF48E1D8 14CC5ED2 0F8037E0 A79715EE F29BE328" \
185 "06A1D58B B7C5DA76 F550AA3D 8A1FBFF0 EB19CCB1 A313D55C" \
186 "DA56C9EC 2EF29632 387FE8D7 6E3C0468 043E8F66 3F4860EE" \
187 "12BF2D5B 0B7474D6 E694F91E 6DCC4024 FFFFFFFF FFFFFFFF"
188
189 #define OAKLEY_PRIME_MODP8192 \
190 "FFFFFFFF FFFFFFFF C90FDAA2 2168C234 C4C6628B 80DC1CD1" \
191 "29024E08 8A67CC74 020BBEA6 3B139B22 514A0879 8E3404DD" \
192 "EF9519B3 CD3A431B 302B0A6D F25F1437 4FE1356D 6D51C245" \
193 "E485B576 625E7EC6 F44C42E9 A637ED6B 0BFF5CB6 F406B7ED" \
194 "EE386BFB 5A899FA5 AE9F2411 7C4B1FE6 49286651 ECE45B3D" \
195 "C2007CB8 A163BF05 98DA4836 1C55D39A 69163FA8 FD24CF5F" \
196 "83655D23 DCA3AD96 1C62F356 208552BB 9ED52907 7096966D" \
197 "670C354E 4ABC9804 F1746C08 CA18217C 32905E46 2E36CE3B" \
198 "E39E772C 180E8603 9B2783A2 EC07A28F B5C55DF0 6F4C52C9" \
199 "DE2BCBF6 95581718 3995497C EA956AE5 15D22618 98FA0510" \
200 "15728E5A 8AAAC42D AD33170D 04507A33 A85521AB DF1CBA64" \
201 "ECFB8504 58DBEF0A 8AEA7157 5D060C7D B3970F85 A6E1E4C7" \
202 "ABF5AE8C DB0933D7 1E8C94E0 4A25619D CEE3D226 1AD2EE6B" \
203 "F12FFA06 D98A0864 D8760273 3EC86A64 521F2B18 177B200C" \
204 "BBE11757 7A615D6C 770988C0 BAD946E2 08E24FA0 74E5AB31" \
205 "43DB5BFC E0FD108E 4B82D120 A9210801 1A723C12 A787E6D7" \
206 "88719A10 BDBA5B26 99C32718 6AF4E23C 1A946834 B6150BDA" \
207 "2583E9CA 2AD44CE8 DBBBC2DB 04DE8EF9 2E8EFC14 1FBECAA6" \
208 "287C5947 4E6BC05D 99B2964F A090C3A2 233BA186 515BE7ED" \
209 "1F612970 CEE2D7AF B81BDD76 2170481C D0069127 D5B05AA9" \
210 "93B4EA98 8D8FDDC1 86FFB7DC 90A6C08F 4DF435C9 34028492" \
211 "36C3FAB4 D27C7026 C1D4DCB2 602646DE C9751E76 3DBA37BD" \
212 "F8FF9406 AD9E530E E5DB382F 413001AE B06A53ED 9027D831" \
213 "179727B0 865A8918 DA3EDBEB CF9B14ED 44CE6CBA CED4BB1B" \
214 "DB7F1447 E6CC254B 33205151 2BD7AF42 6FB8F401 378CD2BF" \
215 "5983CA01 C64B92EC F032EA15 D1721D03 F482D7CE 6E74FEF6" \
216 "D55E702F 46980C82 B5A84031 900B1C9E 59E7C97F BEC7E8F3" \
217 "23A97A7E 36CC88BE 0F1D45B7 FF585AC5 4BD407B2 2B4154AA" \
218 "CC8F6D7E BF48E1D8 14CC5ED2 0F8037E0 A79715EE F29BE328" \
219 "06A1D58B B7C5DA76 F550AA3D 8A1FBFF0 EB19CCB1 A313D55C" \
220 "DA56C9EC 2EF29632 387FE8D7 6E3C0468 043E8F66 3F4860EE" \
221 "12BF2D5B 0B7474D6 E694F91E 6DBE1159 74A3926F 12FEE5E4" \
222 "38777CB6 A932DF8C D8BEC4D0 73B931BA 3BC832B6 8D9DD300" \
223 "741FA7BF 8AFC47ED 2576F693 6BA42466 3AAB639C 5AE4F568" \
224 "3423B474 2BF1C978 238F16CB E39D652D E3FDB8BE FC848AD9" \
225 "22222E04 A4037C07 13EB57A8 1A23F0C7 3473FC64 6CEA306B" \
226 "4BCBC886 2F8385DD FA9D4B7F A2C087E8 79683303 ED5BDD3A" \
227 "062B3CF5 B3A278A6 6D2A13F8 3F44F82D DF310EE0 74AB6A36" \
228 "4597E899 A0255DC1 64F31CC5 0846851D F9AB4819 5DED7EA1" \
229 "B1D510BD 7EE74D73 FAF36BC3 1ECFA268 359046F4 EB879F92" \
230 "4009438B 481C6CD7 889A002E D5EE382B C9190DA6 FC026E47" \
231 "9558E447 5677E9AA 9E3050E2 765694DF C81F56E8 80B96E71" \
232 "60C980DD 98EDD3DF FFFFFFFF FFFFFFFF"
233
234 struct prime {
235 char *name;
236 char *value;
237 } primes[] = {
238 { "modp768", OAKLEY_PRIME_MODP768 },
239 { "modp1024", OAKLEY_PRIME_MODP1024 },
240 { "modp1536", OAKLEY_PRIME_MODP1536 },
241 { "modp2048", OAKLEY_PRIME_MODP2048 },
242 { "modp3072", OAKLEY_PRIME_MODP3072 },
243 { "modp4096", OAKLEY_PRIME_MODP4096 },
244 { "modp6144", OAKLEY_PRIME_MODP6144 },
245 { "modp8192", OAKLEY_PRIME_MODP8192 },
246 { NULL, NULL }
247 };
248
249 /*
250 * exchange a string based "base" to a value.
251 *
252 */
253 static char *
str2val(const char * str,int base,size_t * len)254 str2val(const char *str, int base, size_t *len)
255 {
256 int f;
257 size_t i;
258 char *dst;
259 char *rp;
260 const char *p;
261 char b[3];
262
263 i = 0;
264 for (p = str; *p != '\0'; p++) {
265 if (isxdigit((int)*p))
266 i++;
267 else if (isspace((int)*p))
268 ;
269 else
270 return NULL;
271 }
272 if (i == 0 || (i % 2) != 0)
273 return NULL;
274 i /= 2;
275
276 if ((dst = malloc(i)) == NULL)
277 return NULL;
278
279 i = 0;
280 f = 0;
281 for (rp = dst, p = str; *p != '\0'; p++) {
282 if (isxdigit((int)*p)) {
283 if (!f) {
284 b[0] = *p;
285 f = 1;
286 } else {
287 b[1] = *p;
288 b[2] = '\0';
289 *rp++ = (char)strtol(b, NULL, base);
290 i++;
291 f = 0;
292 }
293 }
294 }
295
296 *len = i;
297
298 return(dst);
299 }
300
set_prime(BIGNUM * p,char * str)301 static void set_prime(BIGNUM *p, char *str)
302 {
303 size_t len = 0;
304 unsigned char *prime;
305
306 prime = (unsigned char *)str2val(str, 16, &len);
307 if (prime == NULL)
308 errx(1, "failed to parse %s", str);
309 BN_bin2bn(prime, len, p);
310 }
311
set_generator(BIGNUM * g)312 static void set_generator(BIGNUM *g)
313 {
314 BN_set_word(g, 2);
315 }
316
print_secret(unsigned char * sec,size_t len)317 static void print_secret(unsigned char *sec, size_t len)
318 {
319 size_t i;
320
321 for (i = 0; i < len; ++i)
322 printf("%x", sec[i]);
323
324 printf("\n");
325 }
326
check_prime(ENGINE * engine,struct prime * pr)327 static int check_prime(ENGINE *engine, struct prime *pr)
328 {
329 DH *dh1, *dh2;
330 BIGNUM *p, *g;
331 unsigned char *sec1, *sec2;
332 size_t size;
333 int ret;
334
335 if (verbose)
336 printf("Testing %s\n", pr->name);
337
338 p = BN_new();
339 g = BN_new();
340 dh1 = DH_new_method(engine);
341 dh2 = DH_new_method(engine);
342
343 /* 1. set shared parameter */
344 set_prime(p, pr->value);
345 set_generator(g);
346 dh1->p = BN_dup(p);
347 dh1->g = BN_dup(g);
348 dh2->p = BN_dup(p);
349 dh2->g = BN_dup(g);
350
351 /* 2. set keys */
352 ret = DH_generate_key(dh1);
353 if (ret == 0) {
354 fprintf(stderr, "DH_generate_key\n");
355 exit(EXIT_FAILURE);
356 }
357 ret = DH_generate_key(dh2);
358 if (ret == 0) {
359 fprintf(stderr, "DH_generate_key\n");
360 exit(EXIT_FAILURE);
361 }
362
363 /* 3. compute shared secret */
364 size = DH_size(dh1);
365 if (size != DH_size(dh2)) {
366 fprintf(stderr, "size does not match!\n");
367 exit(EXIT_FAILURE);
368 }
369 sec1 = malloc(size);
370 sec2 = malloc(size);
371 if (!sec1 || !sec2) {
372 perror("malloc");
373 exit(EXIT_FAILURE);
374 }
375 ret = DH_compute_key(sec1, dh2->pub_key, dh1);
376 if (ret == -1) {
377 fprintf(stderr, "DH_compute_key");
378 exit(EXIT_FAILURE);
379 }
380 ret = DH_compute_key(sec2, dh1->pub_key, dh2);
381 if (ret == -1) {
382 fprintf(stderr, "DH_compute_key");
383 exit(EXIT_FAILURE);
384 }
385
386 /* 4. compare shared secret */
387 if (verbose) {
388 printf("shared secret 1\n");
389 print_secret(sec1, size);
390 printf("shared secret 2\n");
391 print_secret(sec2, size);
392 }
393
394 if (memcmp(sec1, sec2, size) == 0)
395 ret = 1;
396 else
397 ret = 0;
398
399 free(sec2);
400 free(sec1);
401 DH_free(dh2);
402 DH_free(dh1);
403 BN_free(g);
404 BN_free(p);
405
406 return ret;
407 }
408
409 /*
410 *
411 */
412
413 static void
usage(int ret)414 usage (int ret)
415 {
416 arg_printusage (args,
417 sizeof(args)/sizeof(*args),
418 NULL,
419 "");
420 exit (ret);
421 }
422
423 int
main(int argc,char ** argv)424 main(int argc, char **argv)
425 {
426 ENGINE *engine = NULL;
427 int idx = 0;
428
429 setprogname(argv[0]);
430
431 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &idx))
432 usage(1);
433
434 if (help_flag)
435 usage(0);
436
437 if(version_flag){
438 print_version(NULL);
439 exit(0);
440 }
441
442 argc -= idx;
443 argv += idx;
444
445 OpenSSL_add_all_algorithms();
446 #ifdef OPENSSL
447 ENGINE_load_openssl();
448 #endif
449 ENGINE_load_builtin_engines();
450
451 if (id_string) {
452 engine = ENGINE_by_id(id_string);
453 if (engine == NULL)
454 engine = ENGINE_by_dso(id_string, id_string);
455 } else {
456 engine = ENGINE_by_id("builtin");
457 }
458 if (engine == NULL)
459 errx(1, "ENGINE_by_dso failed");
460
461 printf("dh %s\n", ENGINE_get_DH(engine)->name);
462
463 {
464 struct prime *p = primes;
465
466 for (; p->name; ++p)
467 if (check_prime(engine, p))
468 printf("%s: shared secret OK\n", p->name);
469 else
470 printf("%s: shared secret FAILURE\n", p->name);
471
472 return 0;
473 }
474
475 return 0;
476 }
477