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2a99e8b9 | 1 | /* apps/dhparam.c */ |
09483c58 DSH |
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 | */ | |
41918458 BM |
58 | /* ==================================================================== |
59 | * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. | |
60 | * | |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
66 | * notice, this list of conditions and the following disclaimer. | |
67 | * | |
68 | * 2. Redistributions in binary form must reproduce the above copyright | |
69 | * notice, this list of conditions and the following disclaimer in | |
70 | * the documentation and/or other materials provided with the | |
71 | * distribution. | |
72 | * | |
73 | * 3. All advertising materials mentioning features or use of this | |
74 | * software must display the following acknowledgment: | |
75 | * "This product includes software developed by the OpenSSL Project | |
76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
77 | * | |
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 | * endorse or promote products derived from this software without | |
80 | * prior written permission. For written permission, please contact | |
81 | * openssl-core@openssl.org. | |
82 | * | |
83 | * 5. Products derived from this software may not be called "OpenSSL" | |
84 | * nor may "OpenSSL" appear in their names without prior written | |
85 | * permission of the OpenSSL Project. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 | * | |
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 | * ==================================================================== | |
105 | * | |
106 | * This product includes cryptographic software written by Eric Young | |
107 | * (eay@cryptsoft.com). This product includes software written by Tim | |
108 | * Hudson (tjh@cryptsoft.com). | |
109 | * | |
110 | */ | |
09483c58 | 111 | |
cf1b7d96 | 112 | #ifndef OPENSSL_NO_DH |
09483c58 DSH |
113 | #include <stdio.h> |
114 | #include <stdlib.h> | |
115 | #include <time.h> | |
116 | #include <string.h> | |
117 | #include "apps.h" | |
118 | #include <openssl/bio.h> | |
119 | #include <openssl/err.h> | |
120 | #include <openssl/bn.h> | |
121 | #include <openssl/dh.h> | |
122 | #include <openssl/x509.h> | |
123 | #include <openssl/pem.h> | |
5270e702 | 124 | #include <openssl/engine.h> |
09483c58 | 125 | |
cf1b7d96 | 126 | #ifndef OPENSSL_NO_DSA |
41918458 BM |
127 | #include <openssl/dsa.h> |
128 | #endif | |
129 | ||
09483c58 DSH |
130 | #undef PROG |
131 | #define PROG dhparam_main | |
132 | ||
133 | #define DEFBITS 512 | |
134 | ||
135 | /* -inform arg - input format - default PEM (DER or PEM) | |
136 | * -outform arg - output format - default PEM | |
137 | * -in arg - input file - default stdin | |
138 | * -out arg - output file - default stdout | |
41918458 | 139 | * -dsaparam - read or generate DSA parameters, convert to DH |
09483c58 DSH |
140 | * -check - check the parameters are ok |
141 | * -noout | |
142 | * -text | |
143 | * -C | |
144 | */ | |
145 | ||
146 | static void MS_CALLBACK dh_cb(int p, int n, void *arg); | |
147 | ||
667ac4ec RE |
148 | int MAIN(int, char **); |
149 | ||
09483c58 DSH |
150 | int MAIN(int argc, char **argv) |
151 | { | |
5270e702 | 152 | ENGINE *e = NULL; |
09483c58 DSH |
153 | DH *dh=NULL; |
154 | int i,badops=0,text=0; | |
cf1b7d96 | 155 | #ifndef OPENSSL_NO_DSA |
41918458 BM |
156 | int dsaparam=0; |
157 | #endif | |
09483c58 DSH |
158 | BIO *in=NULL,*out=NULL; |
159 | int informat,outformat,check=0,noout=0,C=0,ret=1; | |
160 | char *infile,*outfile,*prog; | |
5270e702 | 161 | char *inrand=NULL,*engine=NULL; |
09483c58 DSH |
162 | int num = 0, g = 0; |
163 | ||
164 | apps_startup(); | |
165 | ||
166 | if (bio_err == NULL) | |
167 | if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
168 | BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); | |
169 | ||
170 | infile=NULL; | |
171 | outfile=NULL; | |
172 | informat=FORMAT_PEM; | |
173 | outformat=FORMAT_PEM; | |
174 | ||
175 | prog=argv[0]; | |
176 | argc--; | |
177 | argv++; | |
178 | while (argc >= 1) | |
179 | { | |
180 | if (strcmp(*argv,"-inform") == 0) | |
181 | { | |
182 | if (--argc < 1) goto bad; | |
183 | informat=str2fmt(*(++argv)); | |
184 | } | |
185 | else if (strcmp(*argv,"-outform") == 0) | |
186 | { | |
187 | if (--argc < 1) goto bad; | |
188 | outformat=str2fmt(*(++argv)); | |
189 | } | |
190 | else if (strcmp(*argv,"-in") == 0) | |
191 | { | |
192 | if (--argc < 1) goto bad; | |
193 | infile= *(++argv); | |
194 | } | |
195 | else if (strcmp(*argv,"-out") == 0) | |
196 | { | |
197 | if (--argc < 1) goto bad; | |
198 | outfile= *(++argv); | |
199 | } | |
5270e702 RL |
200 | else if (strcmp(*argv,"-engine") == 0) |
201 | { | |
202 | if (--argc < 1) goto bad; | |
203 | engine= *(++argv); | |
204 | } | |
09483c58 DSH |
205 | else if (strcmp(*argv,"-check") == 0) |
206 | check=1; | |
207 | else if (strcmp(*argv,"-text") == 0) | |
208 | text=1; | |
cf1b7d96 | 209 | #ifndef OPENSSL_NO_DSA |
41918458 BM |
210 | else if (strcmp(*argv,"-dsaparam") == 0) |
211 | dsaparam=1; | |
212 | #endif | |
09483c58 DSH |
213 | else if (strcmp(*argv,"-C") == 0) |
214 | C=1; | |
215 | else if (strcmp(*argv,"-noout") == 0) | |
216 | noout=1; | |
217 | else if (strcmp(*argv,"-2") == 0) | |
218 | g=2; | |
219 | else if (strcmp(*argv,"-5") == 0) | |
220 | g=5; | |
221 | else if (strcmp(*argv,"-rand") == 0) | |
222 | { | |
223 | if (--argc < 1) goto bad; | |
224 | inrand= *(++argv); | |
225 | } | |
226 | else if (((sscanf(*argv,"%d",&num) == 0) || (num <= 0))) | |
227 | goto bad; | |
228 | argv++; | |
229 | argc--; | |
230 | } | |
231 | ||
232 | if (badops) | |
233 | { | |
234 | bad: | |
235 | BIO_printf(bio_err,"%s [options] [numbits]\n",prog); | |
236 | BIO_printf(bio_err,"where options are\n"); | |
237 | BIO_printf(bio_err," -inform arg input format - one of DER PEM\n"); | |
238 | BIO_printf(bio_err," -outform arg output format - one of DER PEM\n"); | |
239 | BIO_printf(bio_err," -in arg input file\n"); | |
240 | BIO_printf(bio_err," -out arg output file\n"); | |
cf1b7d96 | 241 | #ifndef OPENSSL_NO_DSA |
41918458 BM |
242 | BIO_printf(bio_err," -dsaparam read or generate DSA parameters, convert to DH\n"); |
243 | #endif | |
09483c58 DSH |
244 | BIO_printf(bio_err," -check check the DH parameters\n"); |
245 | BIO_printf(bio_err," -text print a text form of the DH parameters\n"); | |
246 | BIO_printf(bio_err," -C Output C code\n"); | |
247 | BIO_printf(bio_err," -2 generate parameters using 2 as the generator value\n"); | |
248 | BIO_printf(bio_err," -5 generate parameters using 5 as the generator value\n"); | |
249 | BIO_printf(bio_err," numbits number of bits in to generate (default 512)\n"); | |
5270e702 | 250 | BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); |
afbd0746 | 251 | BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); |
f365611c | 252 | BIO_printf(bio_err," - load the file (or the files in the directory) into\n"); |
09483c58 DSH |
253 | BIO_printf(bio_err," the random number generator\n"); |
254 | BIO_printf(bio_err," -noout no output\n"); | |
255 | goto end; | |
256 | } | |
257 | ||
258 | ERR_load_crypto_strings(); | |
259 | ||
5270e702 RL |
260 | if (engine != NULL) |
261 | { | |
262 | if((e = ENGINE_by_id(engine)) == NULL) | |
263 | { | |
264 | BIO_printf(bio_err,"invalid engine \"%s\"\n", | |
265 | engine); | |
266 | goto end; | |
267 | } | |
268 | if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) | |
269 | { | |
270 | BIO_printf(bio_err,"can't use that engine\n"); | |
271 | goto end; | |
272 | } | |
273 | BIO_printf(bio_err,"engine \"%s\" set.\n", engine); | |
274 | /* Free our "structural" reference. */ | |
275 | ENGINE_free(e); | |
276 | } | |
277 | ||
41918458 BM |
278 | if (g && !num) |
279 | num = DEFBITS; | |
280 | ||
cf1b7d96 | 281 | #ifndef OPENSSL_NO_DSA |
41918458 BM |
282 | if (dsaparam) |
283 | { | |
284 | if (g) | |
285 | { | |
286 | BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n"); | |
287 | goto end; | |
288 | } | |
289 | } | |
290 | else | |
291 | #endif | |
292 | { | |
293 | /* DH parameters */ | |
294 | if (num && !g) | |
295 | g = 2; | |
296 | } | |
09483c58 DSH |
297 | |
298 | if(num) { | |
299 | ||
f365611c | 300 | if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) |
09483c58 DSH |
301 | { |
302 | BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); | |
303 | } | |
304 | if (inrand != NULL) | |
305 | BIO_printf(bio_err,"%ld semi-random bytes loaded\n", | |
306 | app_RAND_load_files(inrand)); | |
307 | ||
cf1b7d96 | 308 | #ifndef OPENSSL_NO_DSA |
41918458 BM |
309 | if (dsaparam) |
310 | { | |
311 | DSA *dsa; | |
312 | ||
313 | BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num); | |
b598ea93 | 314 | dsa = DSA_generate_parameters(num, NULL, 0, NULL, NULL, dh_cb, bio_err); |
41918458 BM |
315 | if (dsa == NULL) |
316 | { | |
317 | ERR_print_errors(bio_err); | |
318 | goto end; | |
319 | } | |
320 | ||
321 | dh = DSA_dup_DH(dsa); | |
322 | DSA_free(dsa); | |
323 | if (dh == NULL) | |
324 | { | |
325 | ERR_print_errors(bio_err); | |
326 | goto end; | |
327 | } | |
328 | } | |
329 | else | |
330 | #endif | |
331 | { | |
332 | BIO_printf(bio_err,"Generating DH parameters, %d bit long safe prime, generator %d\n",num,g); | |
333 | BIO_printf(bio_err,"This is going to take a long time\n"); | |
334 | dh=DH_generate_parameters(num,g,dh_cb,bio_err); | |
09483c58 | 335 | |
41918458 BM |
336 | if (dh == NULL) |
337 | { | |
338 | ERR_print_errors(bio_err); | |
339 | goto end; | |
340 | } | |
341 | } | |
09483c58 DSH |
342 | |
343 | app_RAND_write_file(NULL, bio_err); | |
344 | } else { | |
345 | ||
346 | in=BIO_new(BIO_s_file()); | |
347 | if (in == NULL) | |
348 | { | |
349 | ERR_print_errors(bio_err); | |
350 | goto end; | |
351 | } | |
352 | if (infile == NULL) | |
353 | BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
354 | else | |
355 | { | |
356 | if (BIO_read_filename(in,infile) <= 0) | |
357 | { | |
358 | perror(infile); | |
359 | goto end; | |
360 | } | |
361 | } | |
362 | ||
41918458 | 363 | if (informat != FORMAT_ASN1 && informat != FORMAT_PEM) |
09483c58 DSH |
364 | { |
365 | BIO_printf(bio_err,"bad input format specified\n"); | |
366 | goto end; | |
367 | } | |
41918458 | 368 | |
cf1b7d96 | 369 | #ifndef OPENSSL_NO_DSA |
41918458 | 370 | if (dsaparam) |
09483c58 | 371 | { |
41918458 BM |
372 | DSA *dsa; |
373 | ||
374 | if (informat == FORMAT_ASN1) | |
375 | dsa=d2i_DSAparams_bio(in,NULL); | |
376 | else /* informat == FORMAT_PEM */ | |
377 | dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL); | |
378 | ||
379 | if (dsa == NULL) | |
380 | { | |
381 | BIO_printf(bio_err,"unable to load DSA parameters\n"); | |
382 | ERR_print_errors(bio_err); | |
383 | goto end; | |
384 | } | |
385 | ||
386 | dh = DSA_dup_DH(dsa); | |
387 | DSA_free(dsa); | |
388 | if (dh == NULL) | |
389 | { | |
390 | ERR_print_errors(bio_err); | |
391 | goto end; | |
392 | } | |
09483c58 | 393 | } |
41918458 BM |
394 | else |
395 | #endif | |
396 | { | |
397 | if (informat == FORMAT_ASN1) | |
398 | dh=d2i_DHparams_bio(in,NULL); | |
399 | else /* informat == FORMAT_PEM */ | |
400 | dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL); | |
401 | ||
402 | if (dh == NULL) | |
403 | { | |
404 | BIO_printf(bio_err,"unable to load DH parameters\n"); | |
405 | ERR_print_errors(bio_err); | |
406 | goto end; | |
407 | } | |
408 | } | |
409 | ||
410 | /* dh != NULL */ | |
09483c58 | 411 | } |
41918458 | 412 | |
09483c58 DSH |
413 | out=BIO_new(BIO_s_file()); |
414 | if (out == NULL) | |
415 | { | |
416 | ERR_print_errors(bio_err); | |
417 | goto end; | |
418 | } | |
419 | if (outfile == NULL) | |
645749ef | 420 | { |
09483c58 | 421 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
bc36ee62 | 422 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
423 | { |
424 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
425 | out = BIO_push(tmpbio, out); | |
426 | } | |
427 | #endif | |
428 | } | |
09483c58 DSH |
429 | else |
430 | { | |
431 | if (BIO_write_filename(out,outfile) <= 0) | |
432 | { | |
433 | perror(outfile); | |
434 | goto end; | |
435 | } | |
436 | } | |
437 | ||
09483c58 DSH |
438 | |
439 | if (text) | |
440 | { | |
441 | DHparams_print(out,dh); | |
442 | } | |
443 | ||
444 | if (check) | |
445 | { | |
446 | if (!DH_check(dh,&i)) | |
447 | { | |
448 | ERR_print_errors(bio_err); | |
449 | goto end; | |
450 | } | |
451 | if (i & DH_CHECK_P_NOT_PRIME) | |
452 | printf("p value is not prime\n"); | |
41918458 BM |
453 | if (i & DH_CHECK_P_NOT_SAFE_PRIME) |
454 | printf("p value is not a safe prime\n"); | |
09483c58 DSH |
455 | if (i & DH_UNABLE_TO_CHECK_GENERATOR) |
456 | printf("unable to check the generator value\n"); | |
457 | if (i & DH_NOT_SUITABLE_GENERATOR) | |
458 | printf("the g value is not a generator\n"); | |
459 | if (i == 0) | |
460 | printf("DH parameters appear to be ok.\n"); | |
461 | } | |
462 | if (C) | |
463 | { | |
464 | unsigned char *data; | |
465 | int len,l,bits; | |
466 | ||
467 | len=BN_num_bytes(dh->p); | |
468 | bits=BN_num_bits(dh->p); | |
26a3a48d | 469 | data=(unsigned char *)OPENSSL_malloc(len); |
09483c58 DSH |
470 | if (data == NULL) |
471 | { | |
26a3a48d | 472 | perror("OPENSSL_malloc"); |
09483c58 DSH |
473 | goto end; |
474 | } | |
0dd39898 BM |
475 | printf("#ifndef HEADER_DH_H\n" |
476 | "#include <openssl/dh.h>\n" | |
477 | "#endif\n"); | |
478 | printf("DH *get_dh%d()\n\t{\n",bits); | |
479 | ||
09483c58 | 480 | l=BN_bn2bin(dh->p,data); |
0dd39898 | 481 | printf("\tstatic unsigned char dh%d_p[]={",bits); |
09483c58 DSH |
482 | for (i=0; i<l; i++) |
483 | { | |
0dd39898 | 484 | if ((i%12) == 0) printf("\n\t\t"); |
09483c58 DSH |
485 | printf("0x%02X,",data[i]); |
486 | } | |
0dd39898 | 487 | printf("\n\t\t};\n"); |
09483c58 DSH |
488 | |
489 | l=BN_bn2bin(dh->g,data); | |
0dd39898 | 490 | printf("\tstatic unsigned char dh%d_g[]={",bits); |
09483c58 DSH |
491 | for (i=0; i<l; i++) |
492 | { | |
0dd39898 | 493 | if ((i%12) == 0) printf("\n\t\t"); |
09483c58 DSH |
494 | printf("0x%02X,",data[i]); |
495 | } | |
0dd39898 | 496 | printf("\n\t\t};\n"); |
09483c58 | 497 | |
09483c58 DSH |
498 | printf("\tDH *dh;\n\n"); |
499 | printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n"); | |
500 | printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n", | |
501 | bits,bits); | |
502 | printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n", | |
503 | bits,bits); | |
504 | printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n"); | |
bb2276ab | 505 | printf("\t\t{ DH_free(dh); return(NULL); }\n"); |
41918458 | 506 | if (dh->length) |
a10c512a | 507 | printf("\tdh->length = %d;\n", dh->length); |
09483c58 | 508 | printf("\treturn(dh);\n\t}\n"); |
26a3a48d | 509 | OPENSSL_free(data); |
09483c58 DSH |
510 | } |
511 | ||
512 | ||
513 | if (!noout) | |
514 | { | |
515 | if (outformat == FORMAT_ASN1) | |
516 | i=i2d_DHparams_bio(out,dh); | |
517 | else if (outformat == FORMAT_PEM) | |
518 | i=PEM_write_bio_DHparams(out,dh); | |
519 | else { | |
520 | BIO_printf(bio_err,"bad output format specified for outfile\n"); | |
521 | goto end; | |
522 | } | |
523 | if (!i) | |
524 | { | |
657e60fa | 525 | BIO_printf(bio_err,"unable to write DH parameters\n"); |
09483c58 DSH |
526 | ERR_print_errors(bio_err); |
527 | goto end; | |
528 | } | |
529 | } | |
530 | ret=0; | |
531 | end: | |
532 | if (in != NULL) BIO_free(in); | |
645749ef | 533 | if (out != NULL) BIO_free_all(out); |
09483c58 DSH |
534 | if (dh != NULL) DH_free(dh); |
535 | EXIT(ret); | |
536 | } | |
537 | ||
41918458 | 538 | /* dh_cb is identical to dsa_cb in apps/dsaparam.c */ |
09483c58 DSH |
539 | static void MS_CALLBACK dh_cb(int p, int n, void *arg) |
540 | { | |
541 | char c='*'; | |
542 | ||
543 | if (p == 0) c='.'; | |
544 | if (p == 1) c='+'; | |
545 | if (p == 2) c='*'; | |
546 | if (p == 3) c='\n'; | |
547 | BIO_write((BIO *)arg,&c,1); | |
548 | (void)BIO_flush((BIO *)arg); | |
549 | #ifdef LINT | |
550 | p=n; | |
551 | #endif | |
552 | } | |
553 | ||
554 | #endif |