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| 1 /* apps/dhparam.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 * 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 */ | |
| 111 | |
| 112 #include <openssl/opensslconf.h> /* for OPENSSL_NO_DH */ | |
| 113 #ifndef OPENSSL_NO_DH | |
| 114 #include <stdio.h> | |
| 115 #include <stdlib.h> | |
| 116 #include <time.h> | |
| 117 #include <string.h> | |
| 118 #include "apps.h" | |
| 119 #include <openssl/bio.h> | |
| 120 #include <openssl/err.h> | |
| 121 #include <openssl/bn.h> | |
| 122 #include <openssl/dh.h> | |
| 123 #include <openssl/x509.h> | |
| 124 #include <openssl/pem.h> | |
| 125 | |
| 126 #ifndef OPENSSL_NO_DSA | |
| 127 #include <openssl/dsa.h> | |
| 128 #endif | |
| 129 | |
| 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 | |
| 139 * -dsaparam - read or generate DSA parameters, convert to DH | |
| 140 * -check - check the parameters are ok | |
| 141 * -noout | |
| 142 * -text | |
| 143 * -C | |
| 144 */ | |
| 145 | |
| 146 static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb); | |
| 147 | |
| 148 int MAIN(int, char **); | |
| 149 | |
| 150 int MAIN(int argc, char **argv) | |
| 151 { | |
| 152 DH *dh=NULL; | |
| 153 int i,badops=0,text=0; | |
| 154 #ifndef OPENSSL_NO_DSA | |
| 155 int dsaparam=0; | |
| 156 #endif | |
| 157 BIO *in=NULL,*out=NULL; | |
| 158 int informat,outformat,check=0,noout=0,C=0,ret=1; | |
| 159 char *infile,*outfile,*prog; | |
| 160 char *inrand=NULL; | |
| 161 #ifndef OPENSSL_NO_ENGINE | |
| 162 char *engine=NULL; | |
| 163 #endif | |
| 164 int num = 0, g = 0; | |
| 165 | |
| 166 apps_startup(); | |
| 167 | |
| 168 if (bio_err == NULL) | |
| 169 if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
| 170 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); | |
| 171 | |
| 172 if (!load_config(bio_err, NULL)) | |
| 173 goto end; | |
| 174 | |
| 175 infile=NULL; | |
| 176 outfile=NULL; | |
| 177 informat=FORMAT_PEM; | |
| 178 outformat=FORMAT_PEM; | |
| 179 | |
| 180 prog=argv[0]; | |
| 181 argc--; | |
| 182 argv++; | |
| 183 while (argc >= 1) | |
| 184 { | |
| 185 if (strcmp(*argv,"-inform") == 0) | |
| 186 { | |
| 187 if (--argc < 1) goto bad; | |
| 188 informat=str2fmt(*(++argv)); | |
| 189 } | |
| 190 else if (strcmp(*argv,"-outform") == 0) | |
| 191 { | |
| 192 if (--argc < 1) goto bad; | |
| 193 outformat=str2fmt(*(++argv)); | |
| 194 } | |
| 195 else if (strcmp(*argv,"-in") == 0) | |
| 196 { | |
| 197 if (--argc < 1) goto bad; | |
| 198 infile= *(++argv); | |
| 199 } | |
| 200 else if (strcmp(*argv,"-out") == 0) | |
| 201 { | |
| 202 if (--argc < 1) goto bad; | |
| 203 outfile= *(++argv); | |
| 204 } | |
| 205 #ifndef OPENSSL_NO_ENGINE | |
| 206 else if (strcmp(*argv,"-engine") == 0) | |
| 207 { | |
| 208 if (--argc < 1) goto bad; | |
| 209 engine= *(++argv); | |
| 210 } | |
| 211 #endif | |
| 212 else if (strcmp(*argv,"-check") == 0) | |
| 213 check=1; | |
| 214 else if (strcmp(*argv,"-text") == 0) | |
| 215 text=1; | |
| 216 #ifndef OPENSSL_NO_DSA | |
| 217 else if (strcmp(*argv,"-dsaparam") == 0) | |
| 218 dsaparam=1; | |
| 219 #endif | |
| 220 else if (strcmp(*argv,"-C") == 0) | |
| 221 C=1; | |
| 222 else if (strcmp(*argv,"-noout") == 0) | |
| 223 noout=1; | |
| 224 else if (strcmp(*argv,"-2") == 0) | |
| 225 g=2; | |
| 226 else if (strcmp(*argv,"-5") == 0) | |
| 227 g=5; | |
| 228 else if (strcmp(*argv,"-rand") == 0) | |
| 229 { | |
| 230 if (--argc < 1) goto bad; | |
| 231 inrand= *(++argv); | |
| 232 } | |
| 233 else if (((sscanf(*argv,"%d",&num) == 0) || (num <= 0))) | |
| 234 goto bad; | |
| 235 argv++; | |
| 236 argc--; | |
| 237 } | |
| 238 | |
| 239 if (badops) | |
| 240 { | |
| 241 bad: | |
| 242 BIO_printf(bio_err,"%s [options] [numbits]\n",prog); | |
| 243 BIO_printf(bio_err,"where options are\n"); | |
| 244 BIO_printf(bio_err," -inform arg input format - one of DER PEM
\n"); | |
| 245 BIO_printf(bio_err," -outform arg output format - one of DER PE
M\n"); | |
| 246 BIO_printf(bio_err," -in arg input file\n"); | |
| 247 BIO_printf(bio_err," -out arg output file\n"); | |
| 248 #ifndef OPENSSL_NO_DSA | |
| 249 BIO_printf(bio_err," -dsaparam read or generate DSA paramete
rs, convert to DH\n"); | |
| 250 #endif | |
| 251 BIO_printf(bio_err," -check check the DH parameters\n"); | |
| 252 BIO_printf(bio_err," -text print a text form of the DH p
arameters\n"); | |
| 253 BIO_printf(bio_err," -C Output C code\n"); | |
| 254 BIO_printf(bio_err," -2 generate parameters using 2
as the generator value\n"); | |
| 255 BIO_printf(bio_err," -5 generate parameters using 5
as the generator value\n"); | |
| 256 BIO_printf(bio_err," numbits number of bits in to generate
(default 512)\n"); | |
| 257 #ifndef OPENSSL_NO_ENGINE | |
| 258 BIO_printf(bio_err," -engine e use engine e, possibly a hard
ware device.\n"); | |
| 259 #endif | |
| 260 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CH
AR, LIST_SEPARATOR_CHAR); | |
| 261 BIO_printf(bio_err," - load the file (or the files
in the directory) into\n"); | |
| 262 BIO_printf(bio_err," the random number generator\n
"); | |
| 263 BIO_printf(bio_err," -noout no output\n"); | |
| 264 goto end; | |
| 265 } | |
| 266 | |
| 267 ERR_load_crypto_strings(); | |
| 268 | |
| 269 #ifndef OPENSSL_NO_ENGINE | |
| 270 setup_engine(bio_err, engine, 0); | |
| 271 #endif | |
| 272 | |
| 273 if (g && !num) | |
| 274 num = DEFBITS; | |
| 275 | |
| 276 #ifndef OPENSSL_NO_DSA | |
| 277 if (dsaparam) | |
| 278 { | |
| 279 if (g) | |
| 280 { | |
| 281 BIO_printf(bio_err, "generator may not be chosen for DSA
parameters\n"); | |
| 282 goto end; | |
| 283 } | |
| 284 } | |
| 285 else | |
| 286 #endif | |
| 287 { | |
| 288 /* DH parameters */ | |
| 289 if (num && !g) | |
| 290 g = 2; | |
| 291 } | |
| 292 | |
| 293 if(num) { | |
| 294 | |
| 295 BN_GENCB cb; | |
| 296 BN_GENCB_set(&cb, dh_cb, bio_err); | |
| 297 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) | |
| 298 { | |
| 299 BIO_printf(bio_err,"warning, not much extra random data,
consider using the -rand option\n"); | |
| 300 } | |
| 301 if (inrand != NULL) | |
| 302 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", | |
| 303 app_RAND_load_files(inrand)); | |
| 304 | |
| 305 #ifndef OPENSSL_NO_DSA | |
| 306 if (dsaparam) | |
| 307 { | |
| 308 DSA *dsa = DSA_new(); | |
| 309 | |
| 310 BIO_printf(bio_err,"Generating DSA parameters, %d bit lo
ng prime\n",num); | |
| 311 if(!dsa || !DSA_generate_parameters_ex(dsa, num, | |
| 312 NULL, 0, NULL, NULL, &cb)) | |
| 313 { | |
| 314 if(dsa) DSA_free(dsa); | |
| 315 ERR_print_errors(bio_err); | |
| 316 goto end; | |
| 317 } | |
| 318 | |
| 319 dh = DSA_dup_DH(dsa); | |
| 320 DSA_free(dsa); | |
| 321 if (dh == NULL) | |
| 322 { | |
| 323 ERR_print_errors(bio_err); | |
| 324 goto end; | |
| 325 } | |
| 326 } | |
| 327 else | |
| 328 #endif | |
| 329 { | |
| 330 dh = DH_new(); | |
| 331 BIO_printf(bio_err,"Generating DH parameters, %d bit lon
g safe prime, generator %d\n",num,g); | |
| 332 BIO_printf(bio_err,"This is going to take a long time\n"
); | |
| 333 if(!dh || !DH_generate_parameters_ex(dh, num, g, &cb)) | |
| 334 { | |
| 335 ERR_print_errors(bio_err); | |
| 336 goto end; | |
| 337 } | |
| 338 } | |
| 339 | |
| 340 app_RAND_write_file(NULL, bio_err); | |
| 341 } else { | |
| 342 | |
| 343 in=BIO_new(BIO_s_file()); | |
| 344 if (in == NULL) | |
| 345 { | |
| 346 ERR_print_errors(bio_err); | |
| 347 goto end; | |
| 348 } | |
| 349 if (infile == NULL) | |
| 350 BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
| 351 else | |
| 352 { | |
| 353 if (BIO_read_filename(in,infile) <= 0) | |
| 354 { | |
| 355 perror(infile); | |
| 356 goto end; | |
| 357 } | |
| 358 } | |
| 359 | |
| 360 if (informat != FORMAT_ASN1 && informat != FORMAT_PEM) | |
| 361 { | |
| 362 BIO_printf(bio_err,"bad input format specified\n"); | |
| 363 goto end; | |
| 364 } | |
| 365 | |
| 366 #ifndef OPENSSL_NO_DSA | |
| 367 if (dsaparam) | |
| 368 { | |
| 369 DSA *dsa; | |
| 370 | |
| 371 if (informat == FORMAT_ASN1) | |
| 372 dsa=d2i_DSAparams_bio(in,NULL); | |
| 373 else /* informat == FORMAT_PEM */ | |
| 374 dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL); | |
| 375 | |
| 376 if (dsa == NULL) | |
| 377 { | |
| 378 BIO_printf(bio_err,"unable to load DSA parameter
s\n"); | |
| 379 ERR_print_errors(bio_err); | |
| 380 goto end; | |
| 381 } | |
| 382 | |
| 383 dh = DSA_dup_DH(dsa); | |
| 384 DSA_free(dsa); | |
| 385 if (dh == NULL) | |
| 386 { | |
| 387 ERR_print_errors(bio_err); | |
| 388 goto end; | |
| 389 } | |
| 390 } | |
| 391 else | |
| 392 #endif | |
| 393 { | |
| 394 if (informat == FORMAT_ASN1) | |
| 395 dh=d2i_DHparams_bio(in,NULL); | |
| 396 else /* informat == FORMAT_PEM */ | |
| 397 dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL); | |
| 398 | |
| 399 if (dh == NULL) | |
| 400 { | |
| 401 BIO_printf(bio_err,"unable to load DH parameters
\n"); | |
| 402 ERR_print_errors(bio_err); | |
| 403 goto end; | |
| 404 } | |
| 405 } | |
| 406 | |
| 407 /* dh != NULL */ | |
| 408 } | |
| 409 | |
| 410 out=BIO_new(BIO_s_file()); | |
| 411 if (out == NULL) | |
| 412 { | |
| 413 ERR_print_errors(bio_err); | |
| 414 goto end; | |
| 415 } | |
| 416 if (outfile == NULL) | |
| 417 { | |
| 418 BIO_set_fp(out,stdout,BIO_NOCLOSE); | |
| 419 #ifdef OPENSSL_SYS_VMS | |
| 420 { | |
| 421 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
| 422 out = BIO_push(tmpbio, out); | |
| 423 } | |
| 424 #endif | |
| 425 } | |
| 426 else | |
| 427 { | |
| 428 if (BIO_write_filename(out,outfile) <= 0) | |
| 429 { | |
| 430 perror(outfile); | |
| 431 goto end; | |
| 432 } | |
| 433 } | |
| 434 | |
| 435 | |
| 436 if (text) | |
| 437 { | |
| 438 DHparams_print(out,dh); | |
| 439 } | |
| 440 | |
| 441 if (check) | |
| 442 { | |
| 443 if (!DH_check(dh,&i)) | |
| 444 { | |
| 445 ERR_print_errors(bio_err); | |
| 446 goto end; | |
| 447 } | |
| 448 if (i & DH_CHECK_P_NOT_PRIME) | |
| 449 printf("p value is not prime\n"); | |
| 450 if (i & DH_CHECK_P_NOT_SAFE_PRIME) | |
| 451 printf("p value is not a safe prime\n"); | |
| 452 if (i & DH_UNABLE_TO_CHECK_GENERATOR) | |
| 453 printf("unable to check the generator value\n"); | |
| 454 if (i & DH_NOT_SUITABLE_GENERATOR) | |
| 455 printf("the g value is not a generator\n"); | |
| 456 if (i == 0) | |
| 457 printf("DH parameters appear to be ok.\n"); | |
| 458 } | |
| 459 if (C) | |
| 460 { | |
| 461 unsigned char *data; | |
| 462 int len,l,bits; | |
| 463 | |
| 464 len=BN_num_bytes(dh->p); | |
| 465 bits=BN_num_bits(dh->p); | |
| 466 data=(unsigned char *)OPENSSL_malloc(len); | |
| 467 if (data == NULL) | |
| 468 { | |
| 469 perror("OPENSSL_malloc"); | |
| 470 goto end; | |
| 471 } | |
| 472 printf("#ifndef HEADER_DH_H\n" | |
| 473 "#include <openssl/dh.h>\n" | |
| 474 "#endif\n"); | |
| 475 printf("DH *get_dh%d()\n\t{\n",bits); | |
| 476 | |
| 477 l=BN_bn2bin(dh->p,data); | |
| 478 printf("\tstatic unsigned char dh%d_p[]={",bits); | |
| 479 for (i=0; i<l; i++) | |
| 480 { | |
| 481 if ((i%12) == 0) printf("\n\t\t"); | |
| 482 printf("0x%02X,",data[i]); | |
| 483 } | |
| 484 printf("\n\t\t};\n"); | |
| 485 | |
| 486 l=BN_bn2bin(dh->g,data); | |
| 487 printf("\tstatic unsigned char dh%d_g[]={",bits); | |
| 488 for (i=0; i<l; i++) | |
| 489 { | |
| 490 if ((i%12) == 0) printf("\n\t\t"); | |
| 491 printf("0x%02X,",data[i]); | |
| 492 } | |
| 493 printf("\n\t\t};\n"); | |
| 494 | |
| 495 printf("\tDH *dh;\n\n"); | |
| 496 printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n"); | |
| 497 printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n", | |
| 498 bits,bits); | |
| 499 printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n", | |
| 500 bits,bits); | |
| 501 printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n"); | |
| 502 printf("\t\t{ DH_free(dh); return(NULL); }\n"); | |
| 503 if (dh->length) | |
| 504 printf("\tdh->length = %ld;\n", dh->length); | |
| 505 printf("\treturn(dh);\n\t}\n"); | |
| 506 OPENSSL_free(data); | |
| 507 } | |
| 508 | |
| 509 | |
| 510 if (!noout) | |
| 511 { | |
| 512 if (outformat == FORMAT_ASN1) | |
| 513 i=i2d_DHparams_bio(out,dh); | |
| 514 else if (outformat == FORMAT_PEM) | |
| 515 i=PEM_write_bio_DHparams(out,dh); | |
| 516 else { | |
| 517 BIO_printf(bio_err,"bad output format specified for outf
ile\n"); | |
| 518 goto end; | |
| 519 } | |
| 520 if (!i) | |
| 521 { | |
| 522 BIO_printf(bio_err,"unable to write DH parameters\n"); | |
| 523 ERR_print_errors(bio_err); | |
| 524 goto end; | |
| 525 } | |
| 526 } | |
| 527 ret=0; | |
| 528 end: | |
| 529 if (in != NULL) BIO_free(in); | |
| 530 if (out != NULL) BIO_free_all(out); | |
| 531 if (dh != NULL) DH_free(dh); | |
| 532 apps_shutdown(); | |
| 533 OPENSSL_EXIT(ret); | |
| 534 } | |
| 535 | |
| 536 /* dh_cb is identical to dsa_cb in apps/dsaparam.c */ | |
| 537 static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb) | |
| 538 { | |
| 539 char c='*'; | |
| 540 | |
| 541 if (p == 0) c='.'; | |
| 542 if (p == 1) c='+'; | |
| 543 if (p == 2) c='*'; | |
| 544 if (p == 3) c='\n'; | |
| 545 BIO_write(cb->arg,&c,1); | |
| 546 (void)BIO_flush(cb->arg); | |
| 547 #ifdef LINT | |
| 548 p=n; | |
| 549 #endif | |
| 550 return 1; | |
| 551 } | |
| 552 | |
| 553 #else /* !OPENSSL_NO_DH */ | |
| 554 | |
| 555 # if PEDANTIC | |
| 556 static void *dummy=&dummy; | |
| 557 # endif | |
| 558 | |
| 559 #endif | |
| OLD | NEW |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master