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 #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
 121 #ifndef OPENSSL_NO_RSA
 122 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
 123 #endif
 124 #ifndef OPENSSL_NO_DSA
 125 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
 126 #endif
 127
 128 #ifndef OPENSSL_NO_ECDSA
 129 static ECDSA *pkey_get_ecdsa(EVP_PKEY *key, ECDSA **ecdsa);
 130 #endif
 131
 132 IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
 133
 134 IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
 135
 136 IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
 137
 138 IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
 139
 140 IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
 141                                         PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
 142
 143
 144 #ifndef OPENSSL_NO_RSA
 145
 146 /* We treat RSA or DSA private keys as a special case.
 147  *
 148  * For private keys we read in an EVP_PKEY structure with
 149  * PEM_read_bio_PrivateKey() and extract the relevant private
 150  * key: this means can handle "traditional" and PKCS#8 formats
 151  * transparently.
 152  */
 153
 154 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
 155 {
 156         RSA *rtmp;
 157         if(!key) return NULL;
 158         rtmp = EVP_PKEY_get1_RSA(key);
 159         EVP_PKEY_free(key);
 160         if(!rtmp) return NULL;
 161         if(rsa) {
 162                 RSA_free(*rsa);
 163                 *rsa = rtmp;
 164         }
 165         return rtmp;
 166 }
 167
 168 RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
 169                                                                 void *u)
 170 {
 171         EVP_PKEY *pktmp;
 172         pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
 173         return pkey_get_rsa(pktmp, rsa);
 174 }
 175
 176 #ifndef OPENSSL_NO_FP_API
 177
 178 RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb,
 179                                                                 void *u)
 180 {
 181         EVP_PKEY *pktmp;
 182         pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
 183         return pkey_get_rsa(pktmp, rsa);
 184 }
 185
 186 #endif
 187
 188 IMPLEMENT_PEM_write_cb(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
 189 IMPLEMENT_PEM_rw(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
 190 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
 191
 192 #endif
 193
 194 #ifndef OPENSSL_NO_DSA
 195
 196 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
 197 {
 198         DSA *dtmp;
 199         if(!key) return NULL;
 200         dtmp = EVP_PKEY_get1_DSA(key);
 201         EVP_PKEY_free(key);
 202         if(!dtmp) return NULL;
 203         if(dsa) {
 204                 DSA_free(*dsa);
 205                 *dsa = dtmp;
 206         }
 207         return dtmp;
 208 }
 209
 210 DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
 211                                                                 void *u)
 212 {
 213         EVP_PKEY *pktmp;
 214         pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
 215         return pkey_get_dsa(pktmp, dsa);
 216 }
 217
 218 IMPLEMENT_PEM_write_cb(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
 219 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
 220
 221 #ifndef OPENSSL_NO_FP_API
 222
 223 DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,
 224                                                                 void *u)
 225 {
 226         EVP_PKEY *pktmp;
 227         pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
 228         return pkey_get_dsa(pktmp, dsa);
 229 }
 230
 231 #endif
 232
 233 IMPLEMENT_PEM_rw(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
 234
 235 #endif
 236
 237 #ifndef OPENSSL_NO_ECDSA
 238
 239 static ECDSA *pkey_get_ecdsa(EVP_PKEY *key, ECDSA **ecdsa)
 240 {
 241         ECDSA *dtmp;
 242         if(!key) return NULL;
 243         dtmp = EVP_PKEY_get1_ECDSA(key);
 244         EVP_PKEY_free(key);
 245         if(!dtmp) return NULL;
 246         if(ecdsa)
 247         {
 248                 ECDSA_free(*ecdsa);
 249                 *ecdsa = dtmp;
 250         }
 251         return dtmp;
 252 }
 253
 254 ECDSA *PEM_read_bio_ECDSAPrivateKey(BIO *bp, ECDSA **ecdsa, pem_password_cb *cb,
 255                                                         void *u)
 256 {
 257         EVP_PKEY *pktmp;
 258         pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
 259         return pkey_get_ecdsa(pktmp, ecdsa);
 260 }
 261
 262 IMPLEMENT_PEM_write_cb(ECDSAPrivateKey, ECDSA, PEM_STRING_ECDSA, ECDSAPrivateKey)
 263 IMPLEMENT_PEM_rw(ECDSA_PUBKEY, ECDSA, PEM_STRING_PUBLIC, ECDSA_PUBKEY)
 264
 265 #ifndef OPENSSL_NO_FP_API
 266
 267 ECDSA *PEM_read_ECDSAPrivateKey(FILE *fp, ECDSA **ecdsa, pem_password_cb *cb,
 268                                                                 void *u)
 269 {
 270         EVP_PKEY *pktmp;
 271         pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
 272         return pkey_get_ecdsa(pktmp, ecdsa);
 273 }
 274
 275 #endif
 276
 277 IMPLEMENT_PEM_rw(ECDSAParameters, ECDSA, PEM_STRING_ECDSAPARAMS, ECDSAParameters)
 278
 279 #endif
 280
 281 #ifndef OPENSSL_NO_DH
 282
 283 IMPLEMENT_PEM_rw(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
 284
 285 #endif
 286
 287
 288 /* The PrivateKey case is not that straightforward.
 289  *   IMPLEMENT_PEM_rw_cb(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey)
 290  * does not work, RSA and DSA keys have specific strings.
 291  * (When reading, parameter PEM_STRING_EVP_PKEY is a wildcard for anything
 292  * appropriate.)
 293  */
 294 IMPLEMENT_PEM_write_cb(PrivateKey, EVP_PKEY, ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:\
 295                         (x->type == EVP_PKEY_RSA)?PEM_STRING_RSA:PEM_STRING_ECDSA), PrivateKey)
 296
 297 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
 298