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
IMPLEMENT_PEM_rw(X509_REQ,X509_REQ,PEM_STRING_X509_REQ,X509_REQ)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
PEM_read_bio_RSAPrivateKey(BIO * bp,RSA ** rsa,pem_password_cb * cb,void * u)177 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
PEM_read_RSAPrivateKey(FILE * fp,RSA ** rsa,pem_password_cb * cb,void * u)187 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
IMPLEMENT_PEM_write_cb_const(RSAPrivateKey,RSA,PEM_STRING_RSA,RSAPrivateKey)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
PEM_read_bio_DSAPrivateKey(BIO * bp,DSA ** dsa,pem_password_cb * cb,void * u)219 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
IMPLEMENT_PEM_write_cb_const(DSAPrivateKey,DSA,PEM_STRING_DSA,DSAPrivateKey)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 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
IMPLEMENT_PEM_rw_const(DSAparams,DSA,PEM_STRING_DSAPARAMS,DSAparams)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
PEM_read_bio_ECPrivateKey(BIO * bp,EC_KEY ** key,pem_password_cb * cb,void * u)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
IMPLEMENT_PEM_rw_const(ECPKParameters,EC_GROUP,PEM_STRING_ECPARAMETERS,ECPKParameters)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 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
309