1 /* $OpenBSD: pem_all.c,v 1.14 2014/07/10 22:45:57 jsing Exp $ */ 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> 113 114 #include <openssl/opensslconf.h> 115 116 #include <openssl/bio.h> 117 #include <openssl/evp.h> 118 #include <openssl/pem.h> 119 #include <openssl/pkcs7.h> 120 #include <openssl/x509.h> 121 122 #ifndef OPENSSL_NO_DH 123 #include <openssl/dh.h> 124 #endif 125 #ifndef OPENSSL_NO_DSA 126 #include <openssl/dsa.h> 127 #endif 128 #ifndef OPENSSL_NO_RSA 129 #include <openssl/rsa.h> 130 #endif 131 132 #ifndef OPENSSL_NO_RSA 133 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa); 134 #endif 135 #ifndef OPENSSL_NO_DSA 136 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa); 137 #endif 138 139 #ifndef OPENSSL_NO_EC 140 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey); 141 #endif 142 143 IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ) 144 145 IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ) 146 147 IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL) 148 149 IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7) 150 151 IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE, 152 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE) 153 154 155 #ifndef OPENSSL_NO_RSA 156 157 /* We treat RSA or DSA private keys as a special case. 158 * 159 * For private keys we read in an EVP_PKEY structure with 160 * PEM_read_bio_PrivateKey() and extract the relevant private 161 * key: this means can handle "traditional" and PKCS#8 formats 162 * transparently. 163 */ 164 165 static RSA * 166 pkey_get_rsa(EVP_PKEY *key, RSA **rsa) 167 { 168 RSA *rtmp; 169 170 if (!key) 171 return NULL; 172 rtmp = EVP_PKEY_get1_RSA(key); 173 EVP_PKEY_free(key); 174 if (!rtmp) 175 return NULL; 176 if (rsa) { 177 RSA_free(*rsa); 178 *rsa = rtmp; 179 } 180 return rtmp; 181 } 182 183 RSA * 184 PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb, void *u) 185 { 186 EVP_PKEY *pktmp; 187 188 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 189 return pkey_get_rsa(pktmp, rsa); 190 } 191 192 193 RSA * 194 PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u) 195 { 196 EVP_PKEY *pktmp; 197 198 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 199 return pkey_get_rsa(pktmp, rsa); 200 } 201 202 203 IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey) 204 205 IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey) 206 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY) 207 208 #endif 209 210 #ifndef OPENSSL_NO_DSA 211 212 static DSA * 213 pkey_get_dsa(EVP_PKEY *key, DSA **dsa) 214 { 215 DSA *dtmp; 216 217 if (!key) 218 return NULL; 219 dtmp = EVP_PKEY_get1_DSA(key); 220 EVP_PKEY_free(key); 221 if (!dtmp) 222 return NULL; 223 if (dsa) { 224 DSA_free(*dsa); 225 *dsa = dtmp; 226 } 227 return dtmp; 228 } 229 230 DSA * 231 PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb, void *u) 232 { 233 EVP_PKEY *pktmp; 234 235 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 236 return pkey_get_dsa(pktmp, dsa); /* will free pktmp */ 237 } 238 239 IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey) 240 241 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY) 242 243 244 DSA * 245 PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u) 246 { 247 EVP_PKEY *pktmp; 248 249 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 250 return pkey_get_dsa(pktmp, dsa); /* will free pktmp */ 251 } 252 253 254 IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams) 255 256 #endif 257 258 259 #ifndef OPENSSL_NO_EC 260 static EC_KEY * 261 pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey) 262 { 263 EC_KEY *dtmp; 264 265 if (!key) 266 return NULL; 267 dtmp = EVP_PKEY_get1_EC_KEY(key); 268 EVP_PKEY_free(key); 269 if (!dtmp) 270 return NULL; 271 if (eckey) { 272 EC_KEY_free(*eckey); 273 *eckey = dtmp; 274 } 275 return dtmp; 276 } 277 278 EC_KEY * 279 PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb, void *u) 280 { 281 EVP_PKEY *pktmp; 282 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 283 return pkey_get_eckey(pktmp, key); /* will free pktmp */ 284 } 285 286 IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, 287 ECPKParameters) 288 289 IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, 290 ECPrivateKey) 291 292 IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY) 293 294 295 EC_KEY * 296 PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb, void *u) 297 { 298 EVP_PKEY *pktmp; 299 300 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 301 return pkey_get_eckey(pktmp, eckey); /* will free pktmp */ 302 } 303 304 305 #endif 306 307 #ifndef OPENSSL_NO_DH 308 309 IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams) 310 311 #endif 312 313 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY) 314