1 /* crypto/pem/pem_all.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) 1998-2002 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 <stdio.h> 113 #undef SSLEAY_MACROS 114 #include "cryptlib.h" 115 #include <openssl/bio.h> 116 #include <openssl/evp.h> 117 #include <openssl/x509.h> 118 #include <openssl/pkcs7.h> 119 #include <openssl/pem.h> 120 #ifndef OPENSSL_NO_RSA 121 #include <openssl/rsa.h> 122 #endif 123 #ifndef OPENSSL_NO_DSA 124 #include <openssl/dsa.h> 125 #endif 126 #ifndef OPENSSL_NO_DH 127 #include <openssl/dh.h> 128 #endif 129 130 #ifndef OPENSSL_NO_RSA 131 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa); 132 #endif 133 #ifndef OPENSSL_NO_DSA 134 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa); 135 #endif 136 137 #ifndef OPENSSL_NO_EC 138 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey); 139 #endif 140 141 IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ) 142 143 IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ) 144 145 IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL) 146 147 IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7) 148 149 IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE, 150 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE) 151 152 153 #ifndef OPENSSL_NO_RSA 154 155 /* We treat RSA or DSA private keys as a special case. 156 * 157 * For private keys we read in an EVP_PKEY structure with 158 * PEM_read_bio_PrivateKey() and extract the relevant private 159 * key: this means can handle "traditional" and PKCS#8 formats 160 * transparently. 161 */ 162 163 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa) 164 { 165 RSA *rtmp; 166 if(!key) return NULL; 167 rtmp = EVP_PKEY_get1_RSA(key); 168 EVP_PKEY_free(key); 169 if(!rtmp) return NULL; 170 if(rsa) { 171 RSA_free(*rsa); 172 *rsa = rtmp; 173 } 174 return rtmp; 175 } 176 177 RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb, 178 void *u) 179 { 180 EVP_PKEY *pktmp; 181 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 182 return pkey_get_rsa(pktmp, rsa); 183 } 184 185 #ifndef OPENSSL_NO_FP_API 186 187 RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, 188 void *u) 189 { 190 EVP_PKEY *pktmp; 191 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 192 return pkey_get_rsa(pktmp, rsa); 193 } 194 195 #endif 196 197 #ifdef OPENSSL_FIPS 198 199 int PEM_write_bio_RSAPrivateKey(BIO *bp, RSA *x, const EVP_CIPHER *enc, 200 unsigned char *kstr, int klen, 201 pem_password_cb *cb, void *u) 202 { 203 EVP_PKEY *k; 204 int ret; 205 k = EVP_PKEY_new(); 206 if (!k) 207 return 0; 208 EVP_PKEY_set1_RSA(k, x); 209 210 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u); 211 EVP_PKEY_free(k); 212 return ret; 213 } 214 215 #ifndef OPENSSL_NO_FP_API 216 int PEM_write_RSAPrivateKey(FILE *fp, RSA *x, const EVP_CIPHER *enc, 217 unsigned char *kstr, int klen, 218 pem_password_cb *cb, void *u) 219 { 220 EVP_PKEY *k; 221 int ret; 222 k = EVP_PKEY_new(); 223 if (!k) 224 return 0; 225 226 EVP_PKEY_set1_RSA(k, x); 227 228 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u); 229 EVP_PKEY_free(k); 230 return ret; 231 } 232 #endif 233 234 #else 235 236 IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey) 237 238 #endif 239 240 IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey) 241 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY) 242 243 #endif 244 245 #ifndef OPENSSL_NO_DSA 246 247 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa) 248 { 249 DSA *dtmp; 250 if(!key) return NULL; 251 dtmp = EVP_PKEY_get1_DSA(key); 252 EVP_PKEY_free(key); 253 if(!dtmp) return NULL; 254 if(dsa) { 255 DSA_free(*dsa); 256 *dsa = dtmp; 257 } 258 return dtmp; 259 } 260 261 DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb, 262 void *u) 263 { 264 EVP_PKEY *pktmp; 265 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 266 return pkey_get_dsa(pktmp, dsa); 267 } 268 269 #ifdef OPENSSL_FIPS 270 271 int PEM_write_bio_DSAPrivateKey(BIO *bp, DSA *x, const EVP_CIPHER *enc, 272 unsigned char *kstr, int klen, 273 pem_password_cb *cb, void *u) 274 { 275 EVP_PKEY *k; 276 int ret; 277 k = EVP_PKEY_new(); 278 if (!k) 279 return 0; 280 EVP_PKEY_set1_DSA(k, x); 281 282 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u); 283 EVP_PKEY_free(k); 284 return ret; 285 } 286 287 #ifndef OPENSSL_NO_FP_API 288 int PEM_write_DSAPrivateKey(FILE *fp, DSA *x, const EVP_CIPHER *enc, 289 unsigned char *kstr, int klen, 290 pem_password_cb *cb, void *u) 291 { 292 EVP_PKEY *k; 293 int ret; 294 k = EVP_PKEY_new(); 295 if (!k) 296 return 0; 297 EVP_PKEY_set1_DSA(k, x); 298 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u); 299 EVP_PKEY_free(k); 300 return ret; 301 } 302 #endif 303 304 #else 305 306 IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey) 307 308 #endif 309 310 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY) 311 312 #ifndef OPENSSL_NO_FP_API 313 314 DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, 315 void *u) 316 { 317 EVP_PKEY *pktmp; 318 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 319 return pkey_get_dsa(pktmp, dsa); 320 } 321 322 #endif 323 324 IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams) 325 326 #endif 327 328 329 #ifndef OPENSSL_NO_EC 330 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey) 331 { 332 EC_KEY *dtmp; 333 if(!key) return NULL; 334 dtmp = EVP_PKEY_get1_EC_KEY(key); 335 EVP_PKEY_free(key); 336 if(!dtmp) return NULL; 337 if(eckey) 338 { 339 EC_KEY_free(*eckey); 340 *eckey = dtmp; 341 } 342 return dtmp; 343 } 344 345 EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb, 346 void *u) 347 { 348 EVP_PKEY *pktmp; 349 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 350 return pkey_get_eckey(pktmp, key); 351 } 352 353 IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, ECPKParameters) 354 355 356 357 #ifdef OPENSSL_FIPS 358 359 int PEM_write_bio_ECPrivateKey(BIO *bp, EC_KEY *x, const EVP_CIPHER *enc, 360 unsigned char *kstr, int klen, 361 pem_password_cb *cb, void *u) 362 { 363 EVP_PKEY *k; 364 int ret; 365 k = EVP_PKEY_new(); 366 if (!k) 367 return 0; 368 EVP_PKEY_set1_EC_KEY(k, x); 369 370 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u); 371 EVP_PKEY_free(k); 372 return ret; 373 } 374 375 #ifndef OPENSSL_NO_FP_API 376 int PEM_write_ECPrivateKey(FILE *fp, EC_KEY *x, const EVP_CIPHER *enc, 377 unsigned char *kstr, int klen, 378 pem_password_cb *cb, void *u) 379 { 380 EVP_PKEY *k; 381 int ret; 382 k = EVP_PKEY_new(); 383 if (!k) 384 return 0; 385 EVP_PKEY_set1_EC_KEY(k, x); 386 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u); 387 EVP_PKEY_free(k); 388 return ret; 389 } 390 #endif 391 392 #else 393 394 IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, ECPrivateKey) 395 396 #endif 397 398 IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY) 399 400 #ifndef OPENSSL_NO_FP_API 401 402 EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb, 403 void *u) 404 { 405 EVP_PKEY *pktmp; 406 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 407 return pkey_get_eckey(pktmp, eckey); 408 } 409 410 #endif 411 412 #endif 413 414 #ifndef OPENSSL_NO_DH 415 416 IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams) 417 418 #endif 419 420 421 /* The PrivateKey case is not that straightforward. 422 * IMPLEMENT_PEM_rw_cb(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey) 423 * does not work, RSA and DSA keys have specific strings. 424 * (When reading, parameter PEM_STRING_EVP_PKEY is a wildcard for anything 425 * appropriate.) 426 */ 427 428 #ifdef OPENSSL_FIPS 429 430 static const char *pkey_str(EVP_PKEY *x) 431 { 432 switch (x->type) 433 { 434 case EVP_PKEY_RSA: 435 return PEM_STRING_RSA; 436 437 case EVP_PKEY_DSA: 438 return PEM_STRING_DSA; 439 440 case EVP_PKEY_EC: 441 return PEM_STRING_ECPRIVATEKEY; 442 443 default: 444 return NULL; 445 } 446 } 447 448 449 int PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, 450 unsigned char *kstr, int klen, 451 pem_password_cb *cb, void *u) 452 { 453 if (FIPS_mode()) 454 return PEM_write_bio_PKCS8PrivateKey(bp, x, enc, 455 (char *)kstr, klen, cb, u); 456 else 457 return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey, 458 pkey_str(x), bp,(char *)x,enc,kstr,klen,cb,u); 459 } 460 461 #ifndef OPENSSL_NO_FP_API 462 int PEM_write_PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, 463 unsigned char *kstr, int klen, 464 pem_password_cb *cb, void *u) 465 { 466 if (FIPS_mode()) 467 return PEM_write_PKCS8PrivateKey(fp, x, enc, 468 (char *)kstr, klen, cb, u); 469 else 470 return PEM_ASN1_write((i2d_of_void *)i2d_PrivateKey, 471 pkey_str(x), fp,(char *)x,enc,kstr,klen,cb,u); 472 } 473 #endif 474 475 #else 476 IMPLEMENT_PEM_write_cb(PrivateKey, EVP_PKEY, ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:\ 477 (x->type == EVP_PKEY_RSA)?PEM_STRING_RSA:PEM_STRING_ECPRIVATEKEY), PrivateKey) 478 479 #endif 480 481 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY) 482 483