crypto/pem/pem_all.c

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