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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 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111
112#include <stdio.h>
113#undef SSLEAY_MACROS
114#include "cryptlib.h"
115#include <openssl/bio.h>
116#include <openssl/evp.h>
117#include <openssl/x509.h>
118#include <openssl/pkcs7.h>
119#include <openssl/pem.h>
120#ifndef OPENSSL_NO_RSA
121#include <openssl/rsa.h>
122#endif
123#ifndef OPENSSL_NO_DSA
124#include <openssl/dsa.h>
125#endif
126#ifndef OPENSSL_NO_DH
127#include <openssl/dh.h>
128#endif
129
130#ifndef OPENSSL_NO_RSA
131static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
132#endif
133#ifndef OPENSSL_NO_DSA
134static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
135#endif
136
137#ifndef OPENSSL_NO_EC
138static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
139#endif
140
141IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
142
143IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
144
145IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
146
147IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
148
149IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
150 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
151
152
153#ifndef OPENSSL_NO_RSA
154
155/* We treat RSA or DSA private keys as a special case.
156 *
157 * For private keys we read in an EVP_PKEY structure with
158 * PEM_read_bio_PrivateKey() and extract the relevant private
159 * key: this means can handle "traditional" and PKCS#8 formats
160 * transparently.
161 */
162
163static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
164{
165 RSA *rtmp;
166 if(!key) return NULL;
167 rtmp = EVP_PKEY_get1_RSA(key);
168 EVP_PKEY_free(key);
169 if(!rtmp) return NULL;
170 if(rsa) {
171 RSA_free(*rsa);
172 *rsa = rtmp;
173 }
174 return rtmp;
175}
176
177RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
178 void *u)
179{
180 EVP_PKEY *pktmp;
181 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
182 return pkey_get_rsa(pktmp, rsa);
183}
184
185#ifndef OPENSSL_NO_FP_API
186
187RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb,
188 void *u)
189{
190 EVP_PKEY *pktmp;
191 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
192 return pkey_get_rsa(pktmp, rsa);
193}
194
195#endif
196
197#ifdef OPENSSL_FIPS
198
199int PEM_write_bio_RSAPrivateKey(BIO *bp, RSA *x, const EVP_CIPHER *enc,
200 unsigned char *kstr, int klen,
201 pem_password_cb *cb, void *u)
202{
203 EVP_PKEY *k;
204 int ret;
205 k = EVP_PKEY_new();
206 if (!k)
207 return 0;
208 EVP_PKEY_set1_RSA(k, x);
209
210 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
211 EVP_PKEY_free(k);
212 return ret;
213}
214
215#ifndef OPENSSL_NO_FP_API
216int PEM_write_RSAPrivateKey(FILE *fp, RSA *x, const EVP_CIPHER *enc,
217 unsigned char *kstr, int klen,
218 pem_password_cb *cb, void *u)
219{
220 EVP_PKEY *k;
221 int ret;
222 k = EVP_PKEY_new();
223 if (!k)
224 return 0;
225
226 EVP_PKEY_set1_RSA(k, x);
227
228 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
229 EVP_PKEY_free(k);
230 return ret;
231}
232#endif
233
234#else
235
236IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
237
238#endif
239
240IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
241IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
242
243#endif
244
245#ifndef OPENSSL_NO_DSA
246
247static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
248{
249 DSA *dtmp;
250 if(!key) return NULL;
251 dtmp = EVP_PKEY_get1_DSA(key);
252 EVP_PKEY_free(key);
253 if(!dtmp) return NULL;
254 if(dsa) {
255 DSA_free(*dsa);
256 *dsa = dtmp;
257 }
258 return dtmp;
259}
260
261DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
262 void *u)
263{
264 EVP_PKEY *pktmp;
265 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
266 return pkey_get_dsa(pktmp, dsa);
267}
268
269#ifdef OPENSSL_FIPS
270
271int PEM_write_bio_DSAPrivateKey(BIO *bp, DSA *x, const EVP_CIPHER *enc,
272 unsigned char *kstr, int klen,
273 pem_password_cb *cb, void *u)
274{
275 EVP_PKEY *k;
276 int ret;
277 k = EVP_PKEY_new();
278 if (!k)
279 return 0;
280 EVP_PKEY_set1_DSA(k, x);
281
282 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
283 EVP_PKEY_free(k);
284 return ret;
285}
286
287#ifndef OPENSSL_NO_FP_API
288int PEM_write_DSAPrivateKey(FILE *fp, DSA *x, const EVP_CIPHER *enc,
289 unsigned char *kstr, int klen,
290 pem_password_cb *cb, void *u)
291{
292 EVP_PKEY *k;
293 int ret;
294 k = EVP_PKEY_new();
295 if (!k)
296 return 0;
297 EVP_PKEY_set1_DSA(k, x);
298 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
299 EVP_PKEY_free(k);
300 return ret;
301}
302#endif
303
304#else
305
306IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
307
308#endif
309
310IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
311
312#ifndef OPENSSL_NO_FP_API
313
314DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,
315 void *u)
316{
317 EVP_PKEY *pktmp;
318 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
319 return pkey_get_dsa(pktmp, dsa);
320}
321
322#endif
323
324IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
325
326#endif
327
328
329#ifndef OPENSSL_NO_EC
330static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
331{
332 EC_KEY *dtmp;
333 if(!key) return NULL;
334 dtmp = EVP_PKEY_get1_EC_KEY(key);
335 EVP_PKEY_free(key);
336 if(!dtmp) return NULL;
337 if(eckey)
338 {
339 EC_KEY_free(*eckey);
340 *eckey = dtmp;
341 }
342 return dtmp;
343}
344
345EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
346 void *u)
347{
348 EVP_PKEY *pktmp;
349 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
350 return pkey_get_eckey(pktmp, key);
351}
352
353IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, ECPKParameters)
354
355
356
357#ifdef OPENSSL_FIPS
358
359int PEM_write_bio_ECPrivateKey(BIO *bp, EC_KEY *x, const EVP_CIPHER *enc,
360 unsigned char *kstr, int klen,
361 pem_password_cb *cb, void *u)
362{
363 EVP_PKEY *k;
364 int ret;
365 k = EVP_PKEY_new();
366 if (!k)
367 return 0;
368 EVP_PKEY_set1_EC_KEY(k, x);
369
370 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
371 EVP_PKEY_free(k);
372 return ret;
373}
374
375#ifndef OPENSSL_NO_FP_API
376int PEM_write_ECPrivateKey(FILE *fp, EC_KEY *x, const EVP_CIPHER *enc,
377 unsigned char *kstr, int klen,
378 pem_password_cb *cb, void *u)
379{
380 EVP_PKEY *k;
381 int ret;
382 k = EVP_PKEY_new();
383 if (!k)
384 return 0;
385 EVP_PKEY_set1_EC_KEY(k, x);
386 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
387 EVP_PKEY_free(k);
388 return ret;
389}
390#endif
391
392#else
393
394IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, ECPrivateKey)
395
396#endif
397
398IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
399
400#ifndef OPENSSL_NO_FP_API
401
402EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
403 void *u)
404{
405 EVP_PKEY *pktmp;
406 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
407 return pkey_get_eckey(pktmp, eckey);
408}
409
410#endif
411
412#endif
413
414#ifndef OPENSSL_NO_DH
415
416IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
417
418#endif
419
420
421/* The PrivateKey case is not that straightforward.
422 * IMPLEMENT_PEM_rw_cb(PrivateKey, EVP_PKEY, PEM_STRING_EVP_PKEY, PrivateKey)
423 * does not work, RSA and DSA keys have specific strings.
424 * (When reading, parameter PEM_STRING_EVP_PKEY is a wildcard for anything
425 * appropriate.)
426 */
427
428#ifdef OPENSSL_FIPS
429
430static const char *pkey_str(EVP_PKEY *x)
431 {
432 switch (x->type)
433 {
434 case EVP_PKEY_RSA:
435 return PEM_STRING_RSA;
436
437 case EVP_PKEY_DSA:
438 return PEM_STRING_DSA;
439
440 case EVP_PKEY_EC:
441 return PEM_STRING_ECPRIVATEKEY;
442
443 default:
444 return NULL;
445 }
446 }
447
448
449int PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
450 unsigned char *kstr, int klen,
451 pem_password_cb *cb, void *u)
452 {
453 if (FIPS_mode())
454 return PEM_write_bio_PKCS8PrivateKey(bp, x, enc,
455 (char *)kstr, klen, cb, u);
456 else
457 return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey,
458 pkey_str(x), bp,(char *)x,enc,kstr,klen,cb,u);
459 }
460
461#ifndef OPENSSL_NO_FP_API
462int PEM_write_PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
463 unsigned char *kstr, int klen,
464 pem_password_cb *cb, void *u)
465 {
466 if (FIPS_mode())
467 return PEM_write_PKCS8PrivateKey(fp, x, enc,
468 (char *)kstr, klen, cb, u);
469 else
470 return PEM_ASN1_write((i2d_of_void *)i2d_PrivateKey,
471 pkey_str(x), fp,(char *)x,enc,kstr,klen,cb,u);
472 }
473#endif
474
475#else
476IMPLEMENT_PEM_write_cb(PrivateKey, EVP_PKEY, ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:\
477 (x->type == EVP_PKEY_RSA)?PEM_STRING_RSA:PEM_STRING_ECPRIVATEKEY), PrivateKey)
478
479#endif
480
481IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
482
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