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
120
121static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
122static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
123static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
124
125
126IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
127
128IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
129
130IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
131
132
133
134/* We treat RSA or DSA private keys as a special case.
135 *
136 * For private keys we read in an EVP_PKEY structure with
137 * PEM_read_bio_PrivateKey() and extract the relevant private
138 * key: this means can handle "traditional" and PKCS#8 formats
139 * transparently.
140 */
141
142static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
143{
144	RSA *rtmp;
145	if(!key) return NULL;
146	rtmp = EVP_PKEY_get1_RSA(key);
147	EVP_PKEY_free(key);
148	if(!rtmp) return NULL;
149	if(rsa) {
150		RSA_free(*rsa);
151		*rsa = rtmp;
152	}
153	return rtmp;
154}
155
156RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
157								void *u)
158{
159	EVP_PKEY *pktmp;
160	pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
161	return pkey_get_rsa(pktmp, rsa);
162}
163
164#ifndef OPENSSL_NO_FP_API
165
166RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb,
167								void *u)
168{
169	EVP_PKEY *pktmp;
170	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
171	return pkey_get_rsa(pktmp, rsa);
172}
173
174#endif
175
176IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
177
178IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
179IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
180
181#ifndef OPENSSL_NO_DSA
182
183static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
184{
185	DSA *dtmp;
186	if(!key) return NULL;
187	dtmp = EVP_PKEY_get1_DSA(key);
188	EVP_PKEY_free(key);
189	if(!dtmp) return NULL;
190	if(dsa) {
191		DSA_free(*dsa);
192		*dsa = dtmp;
193	}
194	return dtmp;
195}
196
197DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
198								void *u)
199{
200	EVP_PKEY *pktmp;
201	pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
202	return pkey_get_dsa(pktmp, dsa);	/* will free pktmp */
203}
204
205
206IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
207
208IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
209
210#ifndef OPENSSL_NO_FP_API
211
212DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,
213								void *u)
214{
215	EVP_PKEY *pktmp;
216	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
217	return pkey_get_dsa(pktmp, dsa);	/* will free pktmp */
218}
219
220#endif
221
222IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
223
224#endif
225
226
227static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
228{
229	EC_KEY *dtmp;
230	if(!key) return NULL;
231	dtmp = EVP_PKEY_get1_EC_KEY(key);
232	EVP_PKEY_free(key);
233	if(!dtmp) return NULL;
234	if(eckey)
235	{
236 		EC_KEY_free(*eckey);
237		*eckey = dtmp;
238	}
239	return dtmp;
240}
241
242EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
243							void *u)
244{
245	EVP_PKEY *pktmp;
246	pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
247	return pkey_get_eckey(pktmp, key);	/* will free pktmp */
248}
249
250/* TODO(fork): remove this code? */
251/* IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, ECPKParameters) */
252
253
254
255
256IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, ECPrivateKey)
257
258
259IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
260
261#ifndef OPENSSL_NO_FP_API
262
263EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
264 								void *u)
265{
266	EVP_PKEY *pktmp;
267	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
268	return pkey_get_eckey(pktmp, eckey);	/* will free pktmp */
269}
270
271#endif
272
273
274
275IMPLEMENT_PEM_write_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
276
277/* TODO(fork): remove this code? */
278/* IMPLEMENT_PEM_write_const(DHxparams, DH, PEM_STRING_DHXPARAMS, DHxparams) */
279
280
281IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
282