1 /* Copyright (C) 1995-1998 Eric Young ([email protected])
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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 * [email protected].
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 * ([email protected]). This product includes software written by Tim
107 * Hudson ([email protected]). */
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 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
121 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
122 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
123
IMPLEMENT_PEM_rw(X509_REQ,X509_REQ,PEM_STRING_X509_REQ,X509_REQ)124 IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
125
126 IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
127 IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
128 IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
129
130 // We treat RSA or DSA private keys as a special case. For private keys we
131 // read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract
132 // the relevant private key: this means can handle "traditional" and PKCS#8
133 // formats transparently.
134 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa) {
135 RSA *rtmp;
136 if (!key) {
137 return NULL;
138 }
139 rtmp = EVP_PKEY_get1_RSA(key);
140 EVP_PKEY_free(key);
141 if (!rtmp) {
142 return NULL;
143 }
144 if (rsa) {
145 RSA_free(*rsa);
146 *rsa = rtmp;
147 }
148 return rtmp;
149 }
150
PEM_read_bio_RSAPrivateKey(BIO * bp,RSA ** rsa,pem_password_cb * cb,void * u)151 RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
152 void *u) {
153 EVP_PKEY *pktmp;
154 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
155 return pkey_get_rsa(pktmp, rsa);
156 }
157
PEM_read_RSAPrivateKey(FILE * fp,RSA ** rsa,pem_password_cb * cb,void * u)158 RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u) {
159 EVP_PKEY *pktmp;
160 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
161 return pkey_get_rsa(pktmp, rsa);
162 }
163
IMPLEMENT_PEM_write_cb_const(RSAPrivateKey,RSA,PEM_STRING_RSA,RSAPrivateKey)164 IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
165
166
167 IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
168 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
169 #ifndef OPENSSL_NO_DSA
170 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa) {
171 DSA *dtmp;
172 if (!key) {
173 return NULL;
174 }
175 dtmp = EVP_PKEY_get1_DSA(key);
176 EVP_PKEY_free(key);
177 if (!dtmp) {
178 return NULL;
179 }
180 if (dsa) {
181 DSA_free(*dsa);
182 *dsa = dtmp;
183 }
184 return dtmp;
185 }
186
PEM_read_bio_DSAPrivateKey(BIO * bp,DSA ** dsa,pem_password_cb * cb,void * u)187 DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
188 void *u) {
189 EVP_PKEY *pktmp;
190 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
191 return pkey_get_dsa(pktmp, dsa); // will free pktmp
192 }
193
IMPLEMENT_PEM_write_cb_const(DSAPrivateKey,DSA,PEM_STRING_DSA,DSAPrivateKey)194 IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
195
196 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
197 DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u) {
198 EVP_PKEY *pktmp;
199 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
200 return pkey_get_dsa(pktmp, dsa); // will free pktmp
201 }
202
IMPLEMENT_PEM_rw_const(DSAparams,DSA,PEM_STRING_DSAPARAMS,DSAparams)203 IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
204 #endif
205 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey) {
206 EC_KEY *dtmp;
207 if (!key) {
208 return NULL;
209 }
210 dtmp = EVP_PKEY_get1_EC_KEY(key);
211 EVP_PKEY_free(key);
212 if (!dtmp) {
213 return NULL;
214 }
215 if (eckey) {
216 EC_KEY_free(*eckey);
217 *eckey = dtmp;
218 }
219 return dtmp;
220 }
221
PEM_read_bio_ECPrivateKey(BIO * bp,EC_KEY ** key,pem_password_cb * cb,void * u)222 EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
223 void *u) {
224 EVP_PKEY *pktmp;
225 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
226 return pkey_get_eckey(pktmp, key); // will free pktmp
227 }
228
IMPLEMENT_PEM_write_cb(ECPrivateKey,EC_KEY,PEM_STRING_ECPRIVATEKEY,ECPrivateKey)229 IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY,
230 ECPrivateKey)
231
232 IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
233 EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
234 void *u) {
235 EVP_PKEY *pktmp;
236 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
237 return pkey_get_eckey(pktmp, eckey); // will free pktmp
238 }
239
240
241 IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
242
243 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
244