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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#include <stdio.h>
60#undef SSLEAY_MACROS
61#include "cryptlib.h"
62#include <openssl/bio.h>
63#include <openssl/evp.h>
64#include <openssl/x509.h>
65#include <openssl/pkcs7.h>
66#include <openssl/pem.h>
67#include <openssl/fips.h>
68
69#ifndef OPENSSL_NO_RSA
70static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
71#endif
72#ifndef OPENSSL_NO_DSA
73static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
74#endif
75
76IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
77
78IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
79
80IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
81
82IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
83
84IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
85 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
86
87
88#ifndef OPENSSL_NO_RSA
89
90/* We treat RSA or DSA private keys as a special case.
91 *
92 * For private keys we read in an EVP_PKEY structure with
93 * PEM_read_bio_PrivateKey() and extract the relevant private
94 * key: this means can handle "traditional" and PKCS#8 formats
95 * transparently.
96 */
97
98static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
99{
100 RSA *rtmp;
101 if(!key) return NULL;
102 rtmp = EVP_PKEY_get1_RSA(key);
103 EVP_PKEY_free(key);
104 if(!rtmp) return NULL;
105 if(rsa) {
106 RSA_free(*rsa);
107 *rsa = rtmp;
108 }
109 return rtmp;
110}
111
112RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
113 void *u)
114{
115 EVP_PKEY *pktmp;
116 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
117 return pkey_get_rsa(pktmp, rsa);
118}
119
120#ifndef OPENSSL_NO_FP_API
121
122RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb,
123 void *u)
124{
125 EVP_PKEY *pktmp;
126 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
127 return pkey_get_rsa(pktmp, rsa);
128}
129
130#endif
131
132#ifdef OPENSSL_FIPS
133
134int PEM_write_bio_RSAPrivateKey(BIO *bp, RSA *x, const EVP_CIPHER *enc,
135 unsigned char *kstr, int klen,
136 pem_password_cb *cb, void *u)
137{
138 EVP_PKEY *k;
139 int ret;
140 k = EVP_PKEY_new();
141 if (!k)
142 return 0;
143 EVP_PKEY_set1_RSA(k, x);
144
145 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
146 EVP_PKEY_free(k);
147 return ret;
148}
149
150#ifndef OPENSSL_NO_FP_API
151int PEM_write_RSAPrivateKey(FILE *fp, RSA *x, const EVP_CIPHER *enc,
152 unsigned char *kstr, int klen,
153 pem_password_cb *cb, void *u)
154{
155 EVP_PKEY *k;
156 int ret;
157 k = EVP_PKEY_new();
158 if (!k)
159 return 0;
160
161 EVP_PKEY_set1_RSA(k, x);
162
163 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
164 EVP_PKEY_free(k);
165 return ret;
166}
167#endif
168
169#else
170
171IMPLEMENT_PEM_write_cb(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
172
173#endif
174
175IMPLEMENT_PEM_rw(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
176IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
177
178#endif
179
180#ifndef OPENSSL_NO_DSA
181
182static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
183{
184 DSA *dtmp;
185 if(!key) return NULL;
186 dtmp = EVP_PKEY_get1_DSA(key);
187 EVP_PKEY_free(key);
188 if(!dtmp) 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);
202}
203
204
205#ifdef OPENSSL_FIPS
206
207int PEM_write_bio_DSAPrivateKey(BIO *bp, DSA *x, const EVP_CIPHER *enc,
208 unsigned char *kstr, int klen,
209 pem_password_cb *cb, void *u)
210{
211 EVP_PKEY *k;
212 int ret;
213 k = EVP_PKEY_new();
214 if (!k)
215 return 0;
216 EVP_PKEY_set1_DSA(k, x);
217
218 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
219 EVP_PKEY_free(k);
220 return ret;
221}
222
223#ifndef OPENSSL_NO_FP_API
224int PEM_write_DSAPrivateKey(FILE *fp, DSA *x, const EVP_CIPHER *enc,
225 unsigned char *kstr, int klen,
226 pem_password_cb *cb, void *u)
227{
228 EVP_PKEY *k;
229 int ret;
230 k = EVP_PKEY_new();
231 if (!k)
232 return 0;
233 EVP_PKEY_set1_DSA(k, x);
234 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
235 EVP_PKEY_free(k);
236 return ret;
237}
238#endif
239
240#else
241
242IMPLEMENT_PEM_write_cb(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
243
244#endif
245
246IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
247
248#ifndef OPENSSL_NO_FP_API
249
250DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,
251 void *u)
252{
253 EVP_PKEY *pktmp;
254 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
255 return pkey_get_dsa(pktmp, dsa);
256}
257
258#endif
259
260IMPLEMENT_PEM_rw(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
261
262#endif
263
264#ifndef OPENSSL_NO_DH
265
266IMPLEMENT_PEM_rw(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
267
268#endif
269
270
271/* The PrivateKey case is not that straightforward.
272 * IMPLEMENT_PEM_rw_cb(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey)
273 * does not work, RSA and DSA keys have specific strings.
274 * (When reading, parameter PEM_STRING_EVP_PKEY is a wildcard for anything
275 * appropriate.)
276 */
277
278#ifdef OPENSSL_FIPS
279
280int PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
281 unsigned char *kstr, int klen,
282 pem_password_cb *cb, void *u)
283 {
284 if (FIPS_mode())
285 return PEM_write_bio_PKCS8PrivateKey(bp, x, enc,
286 (char *)kstr, klen, cb, u);
287 else
288 return PEM_ASN1_write_bio((int (*)())i2d_PrivateKey,
289 (((x)->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA),
290 bp,(char *)x,enc,kstr,klen,cb,u);
291 }
292
293#ifndef OPENSSL_NO_FP_API
294int PEM_write_PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
295 unsigned char *kstr, int klen,
296 pem_password_cb *cb, void *u)
297 {
298 if (FIPS_mode())
299 return PEM_write_PKCS8PrivateKey(fp, x, enc,
300 (char *)kstr, klen, cb, u);
301 else
302 return PEM_ASN1_write((int (*)())i2d_PrivateKey,
303 (((x)->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA),
304 fp,(char *)x,enc,kstr,klen,cb,u);
305 }
306#endif
307
308#else
309
310IMPLEMENT_PEM_write_cb(PrivateKey, EVP_PKEY, ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA), PrivateKey)
311
312#endif
313
314IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
315
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