1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 */
57/* ====================================================================
58 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
59 *
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
62 * are met:
63 *
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
66 *
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
76 *
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
81 *
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
85 *
86 * 6. Redistributions of any form whatsoever must retain the following
87 * acknowledgment:
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
90 *
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
104 *
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com). */
108
109#include <stdio.h>
110
111#include <openssl/bio.h>
112#include <openssl/dh.h>
113#include <openssl/dsa.h>
114#include <openssl/evp.h>
115#include <openssl/pem.h>
116#include <openssl/pkcs7.h>
117#include <openssl/rsa.h>
118#include <openssl/x509.h>
119
120static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
121static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
122static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
123
124IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
125
126IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
127IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
128IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
129
130/*
131 * We treat RSA or DSA private keys as a special case. For private keys we
132 * read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract
133 * the relevant private key: this means can handle "traditional" and PKCS#8
134 * formats transparently.
135 */
136static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
137{
138 RSA *rtmp;
139 if (!key)
140 return NULL;
141 rtmp = EVP_PKEY_get1_RSA(key);
142 EVP_PKEY_free(key);
143 if (!rtmp)
144 return NULL;
145 if (rsa) {
146 RSA_free(*rsa);
147 *rsa = rtmp;
148 }
149 return rtmp;
150}
151
152RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
153 void *u)
154{
155 EVP_PKEY *pktmp;
156 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
157 return pkey_get_rsa(pktmp, rsa);
158}
159
160#ifndef OPENSSL_NO_FP_API
161
162RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u)
163{
164 EVP_PKEY *pktmp;
165 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
166 return pkey_get_rsa(pktmp, rsa);
167}
168
169#endif
170
171IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA,
172 RSAPrivateKey)
173
174
175IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC,
176 RSAPublicKey) IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA,
177 PEM_STRING_PUBLIC,
178 RSA_PUBKEY)
179#ifndef OPENSSL_NO_DSA
180static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
181{
182 DSA *dtmp;
183 if (!key)
184 return NULL;
185 dtmp = EVP_PKEY_get1_DSA(key);
186 EVP_PKEY_free(key);
187 if (!dtmp)
188 return NULL;
189 if (dsa) {
190 DSA_free(*dsa);
191 *dsa = dtmp;
192 }
193 return dtmp;
194}
195
196DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
197 void *u)
198{
199 EVP_PKEY *pktmp;
200 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
201 return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
202}
203
204IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA,
205 DSAPrivateKey)
206
207 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
208# ifndef OPENSSL_NO_FP_API
209DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u)
210{
211 EVP_PKEY *pktmp;
212 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
213 return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
214}
215
216# endif
217
218IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
219#endif
220static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
221{
222 EC_KEY *dtmp;
223 if (!key)
224 return NULL;
225 dtmp = EVP_PKEY_get1_EC_KEY(key);
226 EVP_PKEY_free(key);
227 if (!dtmp)
228 return NULL;
229 if (eckey) {
230 EC_KEY_free(*eckey);
231 *eckey = dtmp;
232 }
233 return dtmp;
234}
235
236EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
237 void *u)
238{
239 EVP_PKEY *pktmp;
240 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
241 return pkey_get_eckey(pktmp, key); /* will free pktmp */
242}
243
244IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY,
245 ECPrivateKey)
246
247 IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
248#ifndef OPENSSL_NO_FP_API
249EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
250 void *u)
251{
252 EVP_PKEY *pktmp;
253 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
254 return pkey_get_eckey(pktmp, eckey); /* will free pktmp */
255}
256
257#endif
258
259IMPLEMENT_PEM_write_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
260
261 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
262