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| 1 /* apps/genpkey.c */ | |
| 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
| 3 * project 2006 | |
| 4 */ | |
| 5 /* ==================================================================== | |
| 6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved. | |
| 7 * | |
| 8 * Redistribution and use in source and binary forms, with or without | |
| 9 * modification, are permitted provided that the following conditions | |
| 10 * are met: | |
| 11 * | |
| 12 * 1. Redistributions of source code must retain the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer. | |
| 14 * | |
| 15 * 2. Redistributions in binary form must reproduce the above copyright | |
| 16 * notice, this list of conditions and the following disclaimer in | |
| 17 * the documentation and/or other materials provided with the | |
| 18 * distribution. | |
| 19 * | |
| 20 * 3. All advertising materials mentioning features or use of this | |
| 21 * software must display the following acknowledgment: | |
| 22 * "This product includes software developed by the OpenSSL Project | |
| 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
| 24 * | |
| 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 26 * endorse or promote products derived from this software without | |
| 27 * prior written permission. For written permission, please contact | |
| 28 * licensing@OpenSSL.org. | |
| 29 * | |
| 30 * 5. Products derived from this software may not be called "OpenSSL" | |
| 31 * nor may "OpenSSL" appear in their names without prior written | |
| 32 * permission of the OpenSSL Project. | |
| 33 * | |
| 34 * 6. Redistributions of any form whatsoever must retain the following | |
| 35 * acknowledgment: | |
| 36 * "This product includes software developed by the OpenSSL Project | |
| 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
| 38 * | |
| 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 50 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 51 * ==================================================================== | |
| 52 * | |
| 53 * This product includes cryptographic software written by Eric Young | |
| 54 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 55 * Hudson (tjh@cryptsoft.com). | |
| 56 * | |
| 57 */ | |
| 58 #include <stdio.h> | |
| 59 #include <string.h> | |
| 60 #include "apps.h" | |
| 61 #include <openssl/pem.h> | |
| 62 #include <openssl/err.h> | |
| 63 #include <openssl/evp.h> | |
| 64 #ifndef OPENSSL_NO_ENGINE | |
| 65 #include <openssl/engine.h> | |
| 66 #endif | |
| 67 | |
| 68 static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx, | |
| 69 const char *file, ENGINE *e); | |
| 70 static int genpkey_cb(EVP_PKEY_CTX *ctx); | |
| 71 | |
| 72 #define PROG genpkey_main | |
| 73 | |
| 74 int MAIN(int, char **); | |
| 75 | |
| 76 int MAIN(int argc, char **argv) | |
| 77 { | |
| 78 ENGINE *e = NULL; | |
| 79 char **args, *outfile = NULL; | |
| 80 char *passarg = NULL; | |
| 81 BIO *in = NULL, *out = NULL; | |
| 82 const EVP_CIPHER *cipher = NULL; | |
| 83 int outformat; | |
| 84 int text = 0; | |
| 85 EVP_PKEY *pkey=NULL; | |
| 86 EVP_PKEY_CTX *ctx = NULL; | |
| 87 char *pass = NULL; | |
| 88 int badarg = 0; | |
| 89 int ret = 1, rv; | |
| 90 | |
| 91 int do_param = 0; | |
| 92 | |
| 93 if (bio_err == NULL) | |
| 94 bio_err = BIO_new_fp (stderr, BIO_NOCLOSE); | |
| 95 | |
| 96 if (!load_config(bio_err, NULL)) | |
| 97 goto end; | |
| 98 | |
| 99 outformat=FORMAT_PEM; | |
| 100 | |
| 101 ERR_load_crypto_strings(); | |
| 102 OpenSSL_add_all_algorithms(); | |
| 103 args = argv + 1; | |
| 104 while (!badarg && *args && *args[0] == '-') | |
| 105 { | |
| 106 if (!strcmp(*args,"-outform")) | |
| 107 { | |
| 108 if (args[1]) | |
| 109 { | |
| 110 args++; | |
| 111 outformat=str2fmt(*args); | |
| 112 } | |
| 113 else badarg = 1; | |
| 114 } | |
| 115 else if (!strcmp(*args,"-pass")) | |
| 116 { | |
| 117 if (!args[1]) goto bad; | |
| 118 passarg= *(++args); | |
| 119 } | |
| 120 #ifndef OPENSSL_NO_ENGINE | |
| 121 else if (strcmp(*args,"-engine") == 0) | |
| 122 { | |
| 123 if (!args[1]) | |
| 124 goto bad; | |
| 125 e = setup_engine(bio_err, *(++args), 0); | |
| 126 } | |
| 127 #endif | |
| 128 else if (!strcmp (*args, "-paramfile")) | |
| 129 { | |
| 130 if (!args[1]) | |
| 131 goto bad; | |
| 132 args++; | |
| 133 if (do_param == 1) | |
| 134 goto bad; | |
| 135 if (!init_keygen_file(bio_err, &ctx, *args, e)) | |
| 136 goto end; | |
| 137 } | |
| 138 else if (!strcmp (*args, "-out")) | |
| 139 { | |
| 140 if (args[1]) | |
| 141 { | |
| 142 args++; | |
| 143 outfile = *args; | |
| 144 } | |
| 145 else badarg = 1; | |
| 146 } | |
| 147 else if (strcmp(*args,"-algorithm") == 0) | |
| 148 { | |
| 149 if (!args[1]) | |
| 150 goto bad; | |
| 151 if (!init_gen_str(bio_err, &ctx, *(++args),e, do_param)) | |
| 152 goto end; | |
| 153 } | |
| 154 else if (strcmp(*args,"-pkeyopt") == 0) | |
| 155 { | |
| 156 if (!args[1]) | |
| 157 goto bad; | |
| 158 if (!ctx) | |
| 159 { | |
| 160 BIO_puts(bio_err, "No keytype specified\n"); | |
| 161 goto bad; | |
| 162 } | |
| 163 else if (pkey_ctrl_string(ctx, *(++args)) <= 0) | |
| 164 { | |
| 165 BIO_puts(bio_err, "parameter setting error\n"); | |
| 166 ERR_print_errors(bio_err); | |
| 167 goto end; | |
| 168 } | |
| 169 } | |
| 170 else if (strcmp(*args,"-genparam") == 0) | |
| 171 { | |
| 172 if (ctx) | |
| 173 goto bad; | |
| 174 do_param = 1; | |
| 175 } | |
| 176 else if (strcmp(*args,"-text") == 0) | |
| 177 text=1; | |
| 178 else | |
| 179 { | |
| 180 cipher = EVP_get_cipherbyname(*args + 1); | |
| 181 if (!cipher) | |
| 182 { | |
| 183 BIO_printf(bio_err, "Unknown cipher %s\n", | |
| 184 *args + 1); | |
| 185 badarg = 1; | |
| 186 } | |
| 187 if (do_param == 1) | |
| 188 badarg = 1; | |
| 189 } | |
| 190 args++; | |
| 191 } | |
| 192 | |
| 193 if (!ctx) | |
| 194 badarg = 1; | |
| 195 | |
| 196 if (badarg) | |
| 197 { | |
| 198 bad: | |
| 199 BIO_printf(bio_err, "Usage: genpkey [options]\n"); | |
| 200 BIO_printf(bio_err, "where options may be\n"); | |
| 201 BIO_printf(bio_err, "-out file output file\n"); | |
| 202 BIO_printf(bio_err, "-outform X output format (DER or PE
M)\n"); | |
| 203 BIO_printf(bio_err, "-pass arg output file pass phrase
source\n"); | |
| 204 BIO_printf(bio_err, "-<cipher> use cipher <cipher> to e
ncrypt the key\n"); | |
| 205 #ifndef OPENSSL_NO_ENGINE | |
| 206 BIO_printf(bio_err, "-engine e use engine e, possibly a
hardware device.\n"); | |
| 207 #endif | |
| 208 BIO_printf(bio_err, "-paramfile file parameters file\n"); | |
| 209 BIO_printf(bio_err, "-algorithm alg the public key algorithm
\n"); | |
| 210 BIO_printf(bio_err, "-pkeyopt opt:value set the public key algor
ithm option <opt>\n" | |
| 211 " to value <value>
\n"); | |
| 212 BIO_printf(bio_err, "-genparam generate parameters, not
key\n"); | |
| 213 BIO_printf(bio_err, "-text print the in text\n"); | |
| 214 BIO_printf(bio_err, "NB: options order may be important! See th
e manual page.\n"); | |
| 215 goto end; | |
| 216 } | |
| 217 | |
| 218 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) | |
| 219 { | |
| 220 BIO_puts(bio_err, "Error getting password\n"); | |
| 221 goto end; | |
| 222 } | |
| 223 | |
| 224 if (outfile) | |
| 225 { | |
| 226 if (!(out = BIO_new_file (outfile, "wb"))) | |
| 227 { | |
| 228 BIO_printf(bio_err, | |
| 229 "Can't open output file %s\n", outfile); | |
| 230 goto end; | |
| 231 } | |
| 232 } | |
| 233 else | |
| 234 { | |
| 235 out = BIO_new_fp (stdout, BIO_NOCLOSE); | |
| 236 #ifdef OPENSSL_SYS_VMS | |
| 237 { | |
| 238 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
| 239 out = BIO_push(tmpbio, out); | |
| 240 } | |
| 241 #endif | |
| 242 } | |
| 243 | |
| 244 EVP_PKEY_CTX_set_cb(ctx, genpkey_cb); | |
| 245 EVP_PKEY_CTX_set_app_data(ctx, bio_err); | |
| 246 | |
| 247 if (do_param) | |
| 248 { | |
| 249 if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) | |
| 250 { | |
| 251 BIO_puts(bio_err, "Error generating parameters\n"); | |
| 252 ERR_print_errors(bio_err); | |
| 253 goto end; | |
| 254 } | |
| 255 } | |
| 256 else | |
| 257 { | |
| 258 if (EVP_PKEY_keygen(ctx, &pkey) <= 0) | |
| 259 { | |
| 260 BIO_puts(bio_err, "Error generating key\n"); | |
| 261 ERR_print_errors(bio_err); | |
| 262 goto end; | |
| 263 } | |
| 264 } | |
| 265 | |
| 266 if (do_param) | |
| 267 rv = PEM_write_bio_Parameters(out, pkey); | |
| 268 else if (outformat == FORMAT_PEM) | |
| 269 rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, | |
| 270 NULL, pass); | |
| 271 else if (outformat == FORMAT_ASN1) | |
| 272 rv = i2d_PrivateKey_bio(out, pkey); | |
| 273 else | |
| 274 { | |
| 275 BIO_printf(bio_err, "Bad format specified for key\n"); | |
| 276 goto end; | |
| 277 } | |
| 278 | |
| 279 if (rv <= 0) | |
| 280 { | |
| 281 BIO_puts(bio_err, "Error writing key\n"); | |
| 282 ERR_print_errors(bio_err); | |
| 283 } | |
| 284 | |
| 285 if (text) | |
| 286 { | |
| 287 if (do_param) | |
| 288 rv = EVP_PKEY_print_params(out, pkey, 0, NULL); | |
| 289 else | |
| 290 rv = EVP_PKEY_print_private(out, pkey, 0, NULL); | |
| 291 | |
| 292 if (rv <= 0) | |
| 293 { | |
| 294 BIO_puts(bio_err, "Error printing key\n"); | |
| 295 ERR_print_errors(bio_err); | |
| 296 } | |
| 297 } | |
| 298 | |
| 299 ret = 0; | |
| 300 | |
| 301 end: | |
| 302 if (pkey) | |
| 303 EVP_PKEY_free(pkey); | |
| 304 if (ctx) | |
| 305 EVP_PKEY_CTX_free(ctx); | |
| 306 if (out) | |
| 307 BIO_free_all(out); | |
| 308 BIO_free(in); | |
| 309 if (pass) | |
| 310 OPENSSL_free(pass); | |
| 311 | |
| 312 return ret; | |
| 313 } | |
| 314 | |
| 315 static int init_keygen_file(BIO *err, EVP_PKEY_CTX **pctx, | |
| 316 const char *file, ENGINE *e) | |
| 317 { | |
| 318 BIO *pbio; | |
| 319 EVP_PKEY *pkey = NULL; | |
| 320 EVP_PKEY_CTX *ctx = NULL; | |
| 321 if (*pctx) | |
| 322 { | |
| 323 BIO_puts(err, "Parameters already set!\n"); | |
| 324 return 0; | |
| 325 } | |
| 326 | |
| 327 pbio = BIO_new_file(file, "r"); | |
| 328 if (!pbio) | |
| 329 { | |
| 330 BIO_printf(err, "Can't open parameter file %s\n", file); | |
| 331 return 0; | |
| 332 } | |
| 333 | |
| 334 pkey = PEM_read_bio_Parameters(pbio, NULL); | |
| 335 BIO_free(pbio); | |
| 336 | |
| 337 if (!pkey) | |
| 338 { | |
| 339 BIO_printf(bio_err, "Error reading parameter file %s\n", file); | |
| 340 return 0; | |
| 341 } | |
| 342 | |
| 343 ctx = EVP_PKEY_CTX_new(pkey, e); | |
| 344 if (!ctx) | |
| 345 goto err; | |
| 346 if (EVP_PKEY_keygen_init(ctx) <= 0) | |
| 347 goto err; | |
| 348 EVP_PKEY_free(pkey); | |
| 349 *pctx = ctx; | |
| 350 return 1; | |
| 351 | |
| 352 err: | |
| 353 BIO_puts(err, "Error initializing context\n"); | |
| 354 ERR_print_errors(err); | |
| 355 if (ctx) | |
| 356 EVP_PKEY_CTX_free(ctx); | |
| 357 if (pkey) | |
| 358 EVP_PKEY_free(pkey); | |
| 359 return 0; | |
| 360 | |
| 361 } | |
| 362 | |
| 363 int init_gen_str(BIO *err, EVP_PKEY_CTX **pctx, | |
| 364 const char *algname, ENGINE *e, int do_param) | |
| 365 { | |
| 366 EVP_PKEY_CTX *ctx = NULL; | |
| 367 const EVP_PKEY_ASN1_METHOD *ameth; | |
| 368 ENGINE *tmpeng = NULL; | |
| 369 int pkey_id; | |
| 370 | |
| 371 if (*pctx) | |
| 372 { | |
| 373 BIO_puts(err, "Algorithm already set!\n"); | |
| 374 return 0; | |
| 375 } | |
| 376 | |
| 377 ameth = EVP_PKEY_asn1_find_str(&tmpeng, algname, -1); | |
| 378 | |
| 379 #ifndef OPENSSL_NO_ENGINE | |
| 380 if (!ameth && e) | |
| 381 ameth = ENGINE_get_pkey_asn1_meth_str(e, algname, -1); | |
| 382 #endif | |
| 383 | |
| 384 if (!ameth) | |
| 385 { | |
| 386 BIO_printf(bio_err, "Algorithm %s not found\n", algname); | |
| 387 return 0; | |
| 388 } | |
| 389 | |
| 390 ERR_clear_error(); | |
| 391 | |
| 392 EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth); | |
| 393 #ifndef OPENSSL_NO_ENGINE | |
| 394 if (tmpeng) | |
| 395 ENGINE_finish(tmpeng); | |
| 396 #endif | |
| 397 ctx = EVP_PKEY_CTX_new_id(pkey_id, e); | |
| 398 | |
| 399 if (!ctx) | |
| 400 goto err; | |
| 401 if (do_param) | |
| 402 { | |
| 403 if (EVP_PKEY_paramgen_init(ctx) <= 0) | |
| 404 goto err; | |
| 405 } | |
| 406 else | |
| 407 { | |
| 408 if (EVP_PKEY_keygen_init(ctx) <= 0) | |
| 409 goto err; | |
| 410 } | |
| 411 | |
| 412 *pctx = ctx; | |
| 413 return 1; | |
| 414 | |
| 415 err: | |
| 416 BIO_printf(err, "Error initializing %s context\n", algname); | |
| 417 ERR_print_errors(err); | |
| 418 if (ctx) | |
| 419 EVP_PKEY_CTX_free(ctx); | |
| 420 return 0; | |
| 421 | |
| 422 } | |
| 423 | |
| 424 static int genpkey_cb(EVP_PKEY_CTX *ctx) | |
| 425 { | |
| 426 char c='*'; | |
| 427 BIO *b = EVP_PKEY_CTX_get_app_data(ctx); | |
| 428 int p; | |
| 429 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); | |
| 430 if (p == 0) c='.'; | |
| 431 if (p == 1) c='+'; | |
| 432 if (p == 2) c='*'; | |
| 433 if (p == 3) c='\n'; | |
| 434 BIO_write(b,&c,1); | |
| 435 (void)BIO_flush(b); | |
| 436 #ifdef LINT | |
| 437 p=n; | |
| 438 #endif | |
| 439 return 1; | |
| 440 } | |
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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