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| 1 /* apps/dsaparam.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 #include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ | |
| 60 /* Until the key-gen callbacks are modified to use newer prototypes, we allow | |
| 61 * deprecated functions for openssl-internal code */ | |
| 62 #ifdef OPENSSL_NO_DEPRECATED | |
| 63 #undef OPENSSL_NO_DEPRECATED | |
| 64 #endif | |
| 65 | |
| 66 #ifndef OPENSSL_NO_DSA | |
| 67 #include <assert.h> | |
| 68 #include <stdio.h> | |
| 69 #include <stdlib.h> | |
| 70 #include <time.h> | |
| 71 #include <string.h> | |
| 72 #include "apps.h" | |
| 73 #include <openssl/bio.h> | |
| 74 #include <openssl/err.h> | |
| 75 #include <openssl/bn.h> | |
| 76 #include <openssl/dsa.h> | |
| 77 #include <openssl/x509.h> | |
| 78 #include <openssl/pem.h> | |
| 79 | |
| 80 #undef PROG | |
| 81 #define PROG dsaparam_main | |
| 82 | |
| 83 /* -inform arg - input format - default PEM (DER or PEM) | |
| 84 * -outform arg - output format - default PEM | |
| 85 * -in arg - input file - default stdin | |
| 86 * -out arg - output file - default stdout | |
| 87 * -noout | |
| 88 * -text | |
| 89 * -C | |
| 90 * -noout | |
| 91 * -genkey | |
| 92 * #ifdef GENCB_TEST | |
| 93 * -timebomb n - interrupt keygen after <n> seconds | |
| 94 * #endif | |
| 95 */ | |
| 96 | |
| 97 #ifdef GENCB_TEST | |
| 98 | |
| 99 static int stop_keygen_flag = 0; | |
| 100 | |
| 101 static void timebomb_sigalarm(int foo) | |
| 102 { | |
| 103 stop_keygen_flag = 1; | |
| 104 } | |
| 105 | |
| 106 #endif | |
| 107 | |
| 108 static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb); | |
| 109 | |
| 110 int MAIN(int, char **); | |
| 111 | |
| 112 int MAIN(int argc, char **argv) | |
| 113 { | |
| 114 DSA *dsa=NULL; | |
| 115 int i,badops=0,text=0; | |
| 116 BIO *in=NULL,*out=NULL; | |
| 117 int informat,outformat,noout=0,C=0,ret=1; | |
| 118 char *infile,*outfile,*prog,*inrand=NULL; | |
| 119 int numbits= -1,num,genkey=0; | |
| 120 int need_rand=0; | |
| 121 #ifndef OPENSSL_NO_ENGINE | |
| 122 char *engine=NULL; | |
| 123 #endif | |
| 124 #ifdef GENCB_TEST | |
| 125 int timebomb=0; | |
| 126 #endif | |
| 127 | |
| 128 apps_startup(); | |
| 129 | |
| 130 if (bio_err == NULL) | |
| 131 if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
| 132 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); | |
| 133 | |
| 134 if (!load_config(bio_err, NULL)) | |
| 135 goto end; | |
| 136 | |
| 137 infile=NULL; | |
| 138 outfile=NULL; | |
| 139 informat=FORMAT_PEM; | |
| 140 outformat=FORMAT_PEM; | |
| 141 | |
| 142 prog=argv[0]; | |
| 143 argc--; | |
| 144 argv++; | |
| 145 while (argc >= 1) | |
| 146 { | |
| 147 if (strcmp(*argv,"-inform") == 0) | |
| 148 { | |
| 149 if (--argc < 1) goto bad; | |
| 150 informat=str2fmt(*(++argv)); | |
| 151 } | |
| 152 else if (strcmp(*argv,"-outform") == 0) | |
| 153 { | |
| 154 if (--argc < 1) goto bad; | |
| 155 outformat=str2fmt(*(++argv)); | |
| 156 } | |
| 157 else if (strcmp(*argv,"-in") == 0) | |
| 158 { | |
| 159 if (--argc < 1) goto bad; | |
| 160 infile= *(++argv); | |
| 161 } | |
| 162 else if (strcmp(*argv,"-out") == 0) | |
| 163 { | |
| 164 if (--argc < 1) goto bad; | |
| 165 outfile= *(++argv); | |
| 166 } | |
| 167 #ifndef OPENSSL_NO_ENGINE | |
| 168 else if(strcmp(*argv, "-engine") == 0) | |
| 169 { | |
| 170 if (--argc < 1) goto bad; | |
| 171 engine = *(++argv); | |
| 172 } | |
| 173 #endif | |
| 174 #ifdef GENCB_TEST | |
| 175 else if(strcmp(*argv, "-timebomb") == 0) | |
| 176 { | |
| 177 if (--argc < 1) goto bad; | |
| 178 timebomb = atoi(*(++argv)); | |
| 179 } | |
| 180 #endif | |
| 181 else if (strcmp(*argv,"-text") == 0) | |
| 182 text=1; | |
| 183 else if (strcmp(*argv,"-C") == 0) | |
| 184 C=1; | |
| 185 else if (strcmp(*argv,"-genkey") == 0) | |
| 186 { | |
| 187 genkey=1; | |
| 188 need_rand=1; | |
| 189 } | |
| 190 else if (strcmp(*argv,"-rand") == 0) | |
| 191 { | |
| 192 if (--argc < 1) goto bad; | |
| 193 inrand= *(++argv); | |
| 194 need_rand=1; | |
| 195 } | |
| 196 else if (strcmp(*argv,"-noout") == 0) | |
| 197 noout=1; | |
| 198 else if (sscanf(*argv,"%d",&num) == 1) | |
| 199 { | |
| 200 /* generate a key */ | |
| 201 numbits=num; | |
| 202 need_rand=1; | |
| 203 } | |
| 204 else | |
| 205 { | |
| 206 BIO_printf(bio_err,"unknown option %s\n",*argv); | |
| 207 badops=1; | |
| 208 break; | |
| 209 } | |
| 210 argc--; | |
| 211 argv++; | |
| 212 } | |
| 213 | |
| 214 if (badops) | |
| 215 { | |
| 216 bad: | |
| 217 BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog
); | |
| 218 BIO_printf(bio_err,"where options are\n"); | |
| 219 BIO_printf(bio_err," -inform arg input format - DER or PEM\n")
; | |
| 220 BIO_printf(bio_err," -outform arg output format - DER or PEM\n"
); | |
| 221 BIO_printf(bio_err," -in arg input file\n"); | |
| 222 BIO_printf(bio_err," -out arg output file\n"); | |
| 223 BIO_printf(bio_err," -text print as text\n"); | |
| 224 BIO_printf(bio_err," -C Output C code\n"); | |
| 225 BIO_printf(bio_err," -noout no output\n"); | |
| 226 BIO_printf(bio_err," -genkey generate a DSA key\n"); | |
| 227 BIO_printf(bio_err," -rand files to use for random numbe
r input\n"); | |
| 228 #ifndef OPENSSL_NO_ENGINE | |
| 229 BIO_printf(bio_err," -engine e use engine e, possibly a hard
ware device.\n"); | |
| 230 #endif | |
| 231 #ifdef GENCB_TEST | |
| 232 BIO_printf(bio_err," -timebomb n interrupt keygen after <n> se
conds\n"); | |
| 233 #endif | |
| 234 BIO_printf(bio_err," number number of bits to use for gen
erating private key\n"); | |
| 235 goto end; | |
| 236 } | |
| 237 | |
| 238 ERR_load_crypto_strings(); | |
| 239 | |
| 240 in=BIO_new(BIO_s_file()); | |
| 241 out=BIO_new(BIO_s_file()); | |
| 242 if ((in == NULL) || (out == NULL)) | |
| 243 { | |
| 244 ERR_print_errors(bio_err); | |
| 245 goto end; | |
| 246 } | |
| 247 | |
| 248 if (infile == NULL) | |
| 249 BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
| 250 else | |
| 251 { | |
| 252 if (BIO_read_filename(in,infile) <= 0) | |
| 253 { | |
| 254 perror(infile); | |
| 255 goto end; | |
| 256 } | |
| 257 } | |
| 258 if (outfile == NULL) | |
| 259 { | |
| 260 BIO_set_fp(out,stdout,BIO_NOCLOSE); | |
| 261 #ifdef OPENSSL_SYS_VMS | |
| 262 { | |
| 263 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
| 264 out = BIO_push(tmpbio, out); | |
| 265 } | |
| 266 #endif | |
| 267 } | |
| 268 else | |
| 269 { | |
| 270 if (BIO_write_filename(out,outfile) <= 0) | |
| 271 { | |
| 272 perror(outfile); | |
| 273 goto end; | |
| 274 } | |
| 275 } | |
| 276 | |
| 277 #ifndef OPENSSL_NO_ENGINE | |
| 278 setup_engine(bio_err, engine, 0); | |
| 279 #endif | |
| 280 | |
| 281 if (need_rand) | |
| 282 { | |
| 283 app_RAND_load_file(NULL, bio_err, (inrand != NULL)); | |
| 284 if (inrand != NULL) | |
| 285 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", | |
| 286 app_RAND_load_files(inrand)); | |
| 287 } | |
| 288 | |
| 289 if (numbits > 0) | |
| 290 { | |
| 291 BN_GENCB cb; | |
| 292 BN_GENCB_set(&cb, dsa_cb, bio_err); | |
| 293 assert(need_rand); | |
| 294 dsa = DSA_new(); | |
| 295 if(!dsa) | |
| 296 { | |
| 297 BIO_printf(bio_err,"Error allocating DSA object\n"); | |
| 298 goto end; | |
| 299 } | |
| 300 BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime
\n",num); | |
| 301 BIO_printf(bio_err,"This could take some time\n"); | |
| 302 #ifdef GENCB_TEST | |
| 303 if(timebomb > 0) | |
| 304 { | |
| 305 struct sigaction act; | |
| 306 act.sa_handler = timebomb_sigalarm; | |
| 307 act.sa_flags = 0; | |
| 308 BIO_printf(bio_err,"(though I'll stop it if not done within %d s
ecs)\n", | |
| 309 timebomb); | |
| 310 if(sigaction(SIGALRM, &act, NULL) != 0) | |
| 311 { | |
| 312 BIO_printf(bio_err,"Error, couldn't set SIGALRM handler\
n"); | |
| 313 goto end; | |
| 314 } | |
| 315 alarm(timebomb); | |
| 316 } | |
| 317 #endif | |
| 318 if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, &cb)) | |
| 319 { | |
| 320 #ifdef GENCB_TEST | |
| 321 if(stop_keygen_flag) | |
| 322 { | |
| 323 BIO_printf(bio_err,"DSA key generation time-stop
ped\n"); | |
| 324 /* This is an asked-for behaviour! */ | |
| 325 ret = 0; | |
| 326 goto end; | |
| 327 } | |
| 328 #endif | |
| 329 ERR_print_errors(bio_err); | |
| 330 BIO_printf(bio_err,"Error, DSA key generation failed\n")
; | |
| 331 goto end; | |
| 332 } | |
| 333 } | |
| 334 else if (informat == FORMAT_ASN1) | |
| 335 dsa=d2i_DSAparams_bio(in,NULL); | |
| 336 else if (informat == FORMAT_PEM) | |
| 337 dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL); | |
| 338 else | |
| 339 { | |
| 340 BIO_printf(bio_err,"bad input format specified\n"); | |
| 341 goto end; | |
| 342 } | |
| 343 if (dsa == NULL) | |
| 344 { | |
| 345 BIO_printf(bio_err,"unable to load DSA parameters\n"); | |
| 346 ERR_print_errors(bio_err); | |
| 347 goto end; | |
| 348 } | |
| 349 | |
| 350 if (text) | |
| 351 { | |
| 352 DSAparams_print(out,dsa); | |
| 353 } | |
| 354 | |
| 355 if (C) | |
| 356 { | |
| 357 unsigned char *data; | |
| 358 int l,len,bits_p; | |
| 359 | |
| 360 len=BN_num_bytes(dsa->p); | |
| 361 bits_p=BN_num_bits(dsa->p); | |
| 362 data=(unsigned char *)OPENSSL_malloc(len+20); | |
| 363 if (data == NULL) | |
| 364 { | |
| 365 perror("OPENSSL_malloc"); | |
| 366 goto end; | |
| 367 } | |
| 368 l=BN_bn2bin(dsa->p,data); | |
| 369 printf("static unsigned char dsa%d_p[]={",bits_p); | |
| 370 for (i=0; i<l; i++) | |
| 371 { | |
| 372 if ((i%12) == 0) printf("\n\t"); | |
| 373 printf("0x%02X,",data[i]); | |
| 374 } | |
| 375 printf("\n\t};\n"); | |
| 376 | |
| 377 l=BN_bn2bin(dsa->q,data); | |
| 378 printf("static unsigned char dsa%d_q[]={",bits_p); | |
| 379 for (i=0; i<l; i++) | |
| 380 { | |
| 381 if ((i%12) == 0) printf("\n\t"); | |
| 382 printf("0x%02X,",data[i]); | |
| 383 } | |
| 384 printf("\n\t};\n"); | |
| 385 | |
| 386 l=BN_bn2bin(dsa->g,data); | |
| 387 printf("static unsigned char dsa%d_g[]={",bits_p); | |
| 388 for (i=0; i<l; i++) | |
| 389 { | |
| 390 if ((i%12) == 0) printf("\n\t"); | |
| 391 printf("0x%02X,",data[i]); | |
| 392 } | |
| 393 printf("\n\t};\n\n"); | |
| 394 | |
| 395 printf("DSA *get_dsa%d()\n\t{\n",bits_p); | |
| 396 printf("\tDSA *dsa;\n\n"); | |
| 397 printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n"); | |
| 398 printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n", | |
| 399 bits_p,bits_p); | |
| 400 printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n", | |
| 401 bits_p,bits_p); | |
| 402 printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n", | |
| 403 bits_p,bits_p); | |
| 404 printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g ==
NULL))\n"); | |
| 405 printf("\t\t{ DSA_free(dsa); return(NULL); }\n"); | |
| 406 printf("\treturn(dsa);\n\t}\n"); | |
| 407 } | |
| 408 | |
| 409 | |
| 410 if (!noout) | |
| 411 { | |
| 412 if (outformat == FORMAT_ASN1) | |
| 413 i=i2d_DSAparams_bio(out,dsa); | |
| 414 else if (outformat == FORMAT_PEM) | |
| 415 i=PEM_write_bio_DSAparams(out,dsa); | |
| 416 else { | |
| 417 BIO_printf(bio_err,"bad output format specified for outf
ile\n"); | |
| 418 goto end; | |
| 419 } | |
| 420 if (!i) | |
| 421 { | |
| 422 BIO_printf(bio_err,"unable to write DSA parameters\n"); | |
| 423 ERR_print_errors(bio_err); | |
| 424 goto end; | |
| 425 } | |
| 426 } | |
| 427 if (genkey) | |
| 428 { | |
| 429 DSA *dsakey; | |
| 430 | |
| 431 assert(need_rand); | |
| 432 if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end; | |
| 433 if (!DSA_generate_key(dsakey)) | |
| 434 { | |
| 435 ERR_print_errors(bio_err); | |
| 436 DSA_free(dsakey); | |
| 437 goto end; | |
| 438 } | |
| 439 if (outformat == FORMAT_ASN1) | |
| 440 i=i2d_DSAPrivateKey_bio(out,dsakey); | |
| 441 else if (outformat == FORMAT_PEM) | |
| 442 i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NUL
L,NULL); | |
| 443 else { | |
| 444 BIO_printf(bio_err,"bad output format specified for outf
ile\n"); | |
| 445 DSA_free(dsakey); | |
| 446 goto end; | |
| 447 } | |
| 448 DSA_free(dsakey); | |
| 449 } | |
| 450 if (need_rand) | |
| 451 app_RAND_write_file(NULL, bio_err); | |
| 452 ret=0; | |
| 453 end: | |
| 454 if (in != NULL) BIO_free(in); | |
| 455 if (out != NULL) BIO_free_all(out); | |
| 456 if (dsa != NULL) DSA_free(dsa); | |
| 457 apps_shutdown(); | |
| 458 OPENSSL_EXIT(ret); | |
| 459 } | |
| 460 | |
| 461 static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb) | |
| 462 { | |
| 463 char c='*'; | |
| 464 | |
| 465 if (p == 0) c='.'; | |
| 466 if (p == 1) c='+'; | |
| 467 if (p == 2) c='*'; | |
| 468 if (p == 3) c='\n'; | |
| 469 BIO_write(cb->arg,&c,1); | |
| 470 (void)BIO_flush(cb->arg); | |
| 471 #ifdef LINT | |
| 472 p=n; | |
| 473 #endif | |
| 474 #ifdef GENCB_TEST | |
| 475 if(stop_keygen_flag) | |
| 476 return 0; | |
| 477 #endif | |
| 478 return 1; | |
| 479 } | |
| 480 #else /* !OPENSSL_NO_DSA */ | |
| 481 | |
| 482 # if PEDANTIC | |
| 483 static void *dummy=&dummy; | |
| 484 # endif | |
| 485 | |
| 486 #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