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      1 /* crypto/pem/pem_all.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
    108  * Hudson (tjh (at) cryptsoft.com).
    109  *
    110  */
    111 
    112 #include <stdio.h>
    113 #include "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 
    144 IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
    145 
    146 IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
    147 
    148 IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
    149 					PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
    150 
    151 
    152 #ifndef OPENSSL_NO_RSA
    153 
    154 /* We treat RSA or DSA private keys as a special case.
    155  *
    156  * For private keys we read in an EVP_PKEY structure with
    157  * PEM_read_bio_PrivateKey() and extract the relevant private
    158  * key: this means can handle "traditional" and PKCS#8 formats
    159  * transparently.
    160  */
    161 
    162 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
    163 {
    164 	RSA *rtmp;
    165 	if(!key) return NULL;
    166 	rtmp = EVP_PKEY_get1_RSA(key);
    167 	EVP_PKEY_free(key);
    168 	if(!rtmp) return NULL;
    169 	if(rsa) {
    170 		RSA_free(*rsa);
    171 		*rsa = rtmp;
    172 	}
    173 	return rtmp;
    174 }
    175 
    176 RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
    177 								void *u)
    178 {
    179 	EVP_PKEY *pktmp;
    180 	pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
    181 	return pkey_get_rsa(pktmp, rsa);
    182 }
    183 
    184 #ifndef OPENSSL_NO_FP_API
    185 
    186 RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb,
    187 								void *u)
    188 {
    189 	EVP_PKEY *pktmp;
    190 	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
    191 	return pkey_get_rsa(pktmp, rsa);
    192 }
    193 
    194 #endif
    195 
    196 IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
    197 IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
    198 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
    199 
    200 #endif
    201 
    202 #ifndef OPENSSL_NO_DSA
    203 
    204 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
    205 {
    206 	DSA *dtmp;
    207 	if(!key) return NULL;
    208 	dtmp = EVP_PKEY_get1_DSA(key);
    209 	EVP_PKEY_free(key);
    210 	if(!dtmp) return NULL;
    211 	if(dsa) {
    212 		DSA_free(*dsa);
    213 		*dsa = dtmp;
    214 	}
    215 	return dtmp;
    216 }
    217 
    218 DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
    219 								void *u)
    220 {
    221 	EVP_PKEY *pktmp;
    222 	pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
    223 	return pkey_get_dsa(pktmp, dsa);	/* will free pktmp */
    224 }
    225 
    226 IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
    227 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
    228 
    229 #ifndef OPENSSL_NO_FP_API
    230 
    231 DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,
    232 								void *u)
    233 {
    234 	EVP_PKEY *pktmp;
    235 	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
    236 	return pkey_get_dsa(pktmp, dsa);	/* will free pktmp */
    237 }
    238 
    239 #endif
    240 
    241 IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
    242 
    243 #endif
    244 
    245 
    246 #ifndef OPENSSL_NO_EC
    247 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
    248 {
    249 	EC_KEY *dtmp;
    250 	if(!key) return NULL;
    251 	dtmp = EVP_PKEY_get1_EC_KEY(key);
    252 	EVP_PKEY_free(key);
    253 	if(!dtmp) return NULL;
    254 	if(eckey)
    255 	{
    256  		EC_KEY_free(*eckey);
    257 		*eckey = dtmp;
    258 	}
    259 	return dtmp;
    260 }
    261 
    262 EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
    263 							void *u)
    264 {
    265 	EVP_PKEY *pktmp;
    266 	pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
    267 	return pkey_get_eckey(pktmp, key);	/* will free pktmp */
    268 }
    269 
    270 IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, ECPKParameters)
    271 
    272 IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, ECPrivateKey)
    273 
    274 IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
    275 
    276 #ifndef OPENSSL_NO_FP_API
    277 
    278 EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
    279  								void *u)
    280 {
    281 	EVP_PKEY *pktmp;
    282 	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
    283 	return pkey_get_eckey(pktmp, eckey);	/* will free pktmp */
    284 }
    285 
    286 #endif
    287 
    288 #endif
    289 
    290 #ifndef OPENSSL_NO_DH
    291 
    292 IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
    293 
    294 #endif
    295 
    296 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
    297