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 
121 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
122 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
123 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
124 
125 
IMPLEMENT_PEM_rw(X509_REQ,X509_REQ,PEM_STRING_X509_REQ,X509_REQ)126 IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
127 
128 IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
129 
130 IMPLEMENT_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 
142 static 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 
PEM_read_bio_RSAPrivateKey(BIO * bp,RSA ** rsa,pem_password_cb * cb,void * u)156 RSA *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 
PEM_read_RSAPrivateKey(FILE * fp,RSA ** rsa,pem_password_cb * cb,void * u)166 RSA *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 
IMPLEMENT_PEM_write_cb_const(RSAPrivateKey,RSA,PEM_STRING_RSA,RSAPrivateKey)176 IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
177 
178 IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
179 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
180 
181 #ifndef OPENSSL_NO_DSA
182 
183 static 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 
PEM_read_bio_DSAPrivateKey(BIO * bp,DSA ** dsa,pem_password_cb * cb,void * u)197 DSA *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 
IMPLEMENT_PEM_write_cb_const(DSAPrivateKey,DSA,PEM_STRING_DSA,DSAPrivateKey)206 IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
207 
208 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
209 
210 #ifndef OPENSSL_NO_FP_API
211 
212 DSA *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 
IMPLEMENT_PEM_rw_const(DSAparams,DSA,PEM_STRING_DSAPARAMS,DSAparams)222 IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
223 
224 #endif
225 
226 
227 static 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 
PEM_read_bio_ECPrivateKey(BIO * bp,EC_KEY ** key,pem_password_cb * cb,void * u)242 EC_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 
IMPLEMENT_PEM_write_cb(ECPrivateKey,EC_KEY,PEM_STRING_ECPRIVATEKEY,ECPrivateKey)250 IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, ECPrivateKey)
251 
252 
253 IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
254 
255 #ifndef OPENSSL_NO_FP_API
256 
257 EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
258  								void *u)
259 {
260 	EVP_PKEY *pktmp;
261 	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
262 	return pkey_get_eckey(pktmp, eckey);	/* will free pktmp */
263 }
264 
265 #endif
266 
267 
268 
269 IMPLEMENT_PEM_write_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
270 
271 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
272