os/ossrv/ssl/libcrypto/src/crypto/pem/pem_all.c
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     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 EXPORT_C 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 EXPORT_C 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 IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
   198 IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
   199 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
   200 
   201 #endif
   202 
   203 #ifndef OPENSSL_NO_DSA
   204 
   205 static 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 
   219 EXPORT_C DSA *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 
   227 IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
   228 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
   229 
   230 #ifndef OPENSSL_NO_FP_API
   231 
   232 EXPORT_C DSA *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 
   242 IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
   243 
   244 #endif
   245 
   246 
   247 #ifndef OPENSSL_NO_EC
   248 static 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 
   263 EC_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 
   271 IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, ECPKParameters)
   272 
   273 IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, ECPrivateKey)
   274 
   275 IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
   276 
   277 #ifndef OPENSSL_NO_FP_API
   278  
   279 EXPORT_C EC_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 
   293 IMPLEMENT_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  */
   304 IMPLEMENT_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 
   307 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
   308