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 131static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa); 132#endif 133#ifndef OPENSSL_NO_DSA 134static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa); 135#endif 136 137#ifndef OPENSSL_NO_EC 138static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey); 139#endif 140 141IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ) 142 143IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ) 144 145IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL) 146 147IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7) 148 149IMPLEMENT_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 163static 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 177RSA *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 187RSA *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 197IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey) 198IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey) 199IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY) 200 201#endif 202 203#ifndef OPENSSL_NO_DSA 204 205static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa) 206{ 207 DSA *dtmp; 208 if(!key) return NULL; 209 dtmp = EVP_PKEY_get1_DSA(key); 210 EVP_PKEY_free(key); 211 if(!dtmp) return NULL; 212 if(dsa) { 213 DSA_free(*dsa); 214 *dsa = dtmp; 215 } 216 return dtmp; 217} 218 219DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb, 220 void *u) 221{ 222 EVP_PKEY *pktmp; 223 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 224 return pkey_get_dsa(pktmp, dsa); 225} 226 227IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey) 228IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY) 229 230#ifndef OPENSSL_NO_FP_API 231 232DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, 233 void *u) 234{ 235 EVP_PKEY *pktmp; 236 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 237 return pkey_get_dsa(pktmp, dsa); 238} 239 240#endif 241 242IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams) 243 244#endif 245 246 247#ifndef OPENSSL_NO_EC 248static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey) 249{ 250 EC_KEY *dtmp; 251 if(!key) return NULL; 252 dtmp = EVP_PKEY_get1_EC_KEY(key); 253 EVP_PKEY_free(key); 254 if(!dtmp) return NULL; 255 if(eckey) 256 { 257 EC_KEY_free(*eckey); 258 *eckey = dtmp; 259 } 260 return dtmp; 261} 262 263EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb, 264 void *u) 265{ 266 EVP_PKEY *pktmp; 267 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u); 268 return pkey_get_eckey(pktmp, key); 269} 270 271IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, ECPKParameters) 272 273IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, ECPrivateKey) 274 275IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY) 276 277#ifndef OPENSSL_NO_FP_API 278 279EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb, 280 void *u) 281{ 282 EVP_PKEY *pktmp; 283 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u); 284 return pkey_get_eckey(pktmp, eckey); 285} 286 287#endif 288 289#endif 290 291#ifndef OPENSSL_NO_DH 292 293IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams) 294 295#endif 296 297 298/* The PrivateKey case is not that straightforward. 299 * IMPLEMENT_PEM_rw_cb(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey) 300 * does not work, RSA and DSA keys have specific strings. 301 * (When reading, parameter PEM_STRING_EVP_PKEY is a wildcard for anything 302 * appropriate.) 303 */ 304IMPLEMENT_PEM_write_cb(PrivateKey, EVP_PKEY, ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:\ 305 (x->type == EVP_PKEY_RSA)?PEM_STRING_RSA:PEM_STRING_ECPRIVATEKEY), PrivateKey) 306 307IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY) 308 309