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 #include "cryptlib.h"
114 #include <openssl/bio.h>
115 #include <openssl/evp.h>
116 #include <openssl/x509.h>
117 #include <openssl/pkcs7.h>
118 #include <openssl/pem.h>
119 #ifndef OPENSSL_NO_RSA
120 #include <openssl/rsa.h>
121 #endif
122 #ifndef OPENSSL_NO_DSA
123 #include <openssl/dsa.h>
124 #endif
125 #ifndef OPENSSL_NO_DH
126 #include <openssl/dh.h>
127 #endif
128
129 #ifndef OPENSSL_NO_RSA
130 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
131 #endif
132 #ifndef OPENSSL_NO_DSA
133 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
134 #endif
135
136 #ifndef OPENSSL_NO_EC
137 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
138 #endif
139
140 IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
141
142 IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
143
144 IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
145
146 IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
147
148 IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
149 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
150
151
152 #ifndef OPENSSL_NO_RSA
153
154 /* We treat RSA or DSA private keys as a special case.
155 *
156 * For private keys we read in an EVP_PKEY structure with
157 * PEM_read_bio_PrivateKey() and extract the relevant private
158 * key: this means can handle "traditional" and PKCS#8 formats
159 * transparently.
160 */
161
162 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
163 {
164 RSA *rtmp;
165 if(!key) return NULL;
166 rtmp = EVP_PKEY_get1_RSA(key);
167 EVP_PKEY_free(key);
168 if(!rtmp) return NULL;
169 if(rsa) {
170 RSA_free(*rsa);
171 *rsa = rtmp;
172 }
173 return rtmp;
174 }
175
176 RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
177 void *u)
178 {
179 EVP_PKEY *pktmp;
180 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
181 return pkey_get_rsa(pktmp, rsa);
182 }
183
184 #ifndef OPENSSL_NO_FP_API
185
186 RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb,
187 void *u)
188 {
189 EVP_PKEY *pktmp;
190 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
191 return pkey_get_rsa(pktmp, rsa);
192 }
193
194 #endif
195
196 #ifdef OPENSSL_FIPS
197
198 int PEM_write_bio_RSAPrivateKey(BIO *bp, RSA *x, const EVP_CIPHER *enc,
199 unsigned char *kstr, int klen,
200 pem_password_cb *cb, void *u)
201 {
202 if (FIPS_mode())
203 {
204 EVP_PKEY *k;
205 int ret;
206 k = EVP_PKEY_new();
207 if (!k)
208 return 0;
209 EVP_PKEY_set1_RSA(k, x);
210
211 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
212 EVP_PKEY_free(k);
213 return ret;
214 }
215 else
216 return PEM_ASN1_write_bio((i2d_of_void *)i2d_RSAPrivateKey,
217 PEM_STRING_RSA,bp,x,enc,kstr,klen,cb,u);
218 }
219
220 #ifndef OPENSSL_NO_FP_API
221 int PEM_write_RSAPrivateKey(FILE *fp, RSA *x, const EVP_CIPHER *enc,
222 unsigned char *kstr, int klen,
223 pem_password_cb *cb, void *u)
224 {
225 if (FIPS_mode())
226 {
227 EVP_PKEY *k;
228 int ret;
229 k = EVP_PKEY_new();
230 if (!k)
231 return 0;
232
233 EVP_PKEY_set1_RSA(k, x);
234
235 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
236 EVP_PKEY_free(k);
237 return ret;
238 }
239 else
240 return PEM_ASN1_write((i2d_of_void *)i2d_RSAPrivateKey,
241 PEM_STRING_RSA,fp,x,enc,kstr,klen,cb,u);
242 }
243 #endif
244
245 #else
246
247 IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
248
249 #endif
250
251 IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
252 IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
253
254 #endif
255
256 #ifndef OPENSSL_NO_DSA
257
258 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
259 {
260 DSA *dtmp;
261 if(!key) return NULL;
262 dtmp = EVP_PKEY_get1_DSA(key);
263 EVP_PKEY_free(key);
264 if(!dtmp) return NULL;
265 if(dsa) {
266 DSA_free(*dsa);
267 *dsa = dtmp;
268 }
269 return dtmp;
270 }
271
272 DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
273 void *u)
274 {
275 EVP_PKEY *pktmp;
276 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
277 return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
278 }
279
280 #ifdef OPENSSL_FIPS
281
282 int PEM_write_bio_DSAPrivateKey(BIO *bp, DSA *x, const EVP_CIPHER *enc,
283 unsigned char *kstr, int klen,
284 pem_password_cb *cb, void *u)
285 {
286 if (FIPS_mode())
287 {
288 EVP_PKEY *k;
289 int ret;
290 k = EVP_PKEY_new();
291 if (!k)
292 return 0;
293 EVP_PKEY_set1_DSA(k, x);
294
295 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
296 EVP_PKEY_free(k);
297 return ret;
298 }
299 else
300 return PEM_ASN1_write_bio((i2d_of_void *)i2d_DSAPrivateKey,
301 PEM_STRING_DSA,bp,x,enc,kstr,klen,cb,u);
302 }
303
304 #ifndef OPENSSL_NO_FP_API
305 int PEM_write_DSAPrivateKey(FILE *fp, DSA *x, const EVP_CIPHER *enc,
306 unsigned char *kstr, int klen,
307 pem_password_cb *cb, void *u)
308 {
309 if (FIPS_mode())
310 {
311 EVP_PKEY *k;
312 int ret;
313 k = EVP_PKEY_new();
314 if (!k)
315 return 0;
316 EVP_PKEY_set1_DSA(k, x);
317 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
318 EVP_PKEY_free(k);
319 return ret;
320 }
321 else
322 return PEM_ASN1_write((i2d_of_void *)i2d_DSAPrivateKey,
323 PEM_STRING_DSA,fp,x,enc,kstr,klen,cb,u);
324 }
325 #endif
326
327 #else
328
329 IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
330
331 #endif
332
333 IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
334
335 #ifndef OPENSSL_NO_FP_API
336
337 DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb,
338 void *u)
339 {
340 EVP_PKEY *pktmp;
341 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
342 return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
343 }
344
345 #endif
346
347 IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
348
349 #endif
350
351
352 #ifndef OPENSSL_NO_EC
353 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
354 {
355 EC_KEY *dtmp;
356 if(!key) return NULL;
357 dtmp = EVP_PKEY_get1_EC_KEY(key);
358 EVP_PKEY_free(key);
359 if(!dtmp) return NULL;
360 if(eckey)
361 {
362 EC_KEY_free(*eckey);
363 *eckey = dtmp;
364 }
365 return dtmp;
366 }
367
368 EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
369 void *u)
370 {
371 EVP_PKEY *pktmp;
372 pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
373 return pkey_get_eckey(pktmp, key); /* will free pktmp */
374 }
375
376 IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS, ECPKParameters)
377
378
379
380 #ifdef OPENSSL_FIPS
381
382 int PEM_write_bio_ECPrivateKey(BIO *bp, EC_KEY *x, const EVP_CIPHER *enc,
383 unsigned char *kstr, int klen,
384 pem_password_cb *cb, void *u)
385 {
386 if (FIPS_mode())
387 {
388 EVP_PKEY *k;
389 int ret;
390 k = EVP_PKEY_new();
391 if (!k)
392 return 0;
393 EVP_PKEY_set1_EC_KEY(k, x);
394
395 ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
396 EVP_PKEY_free(k);
397 return ret;
398 }
399 else
400 return PEM_ASN1_write_bio((i2d_of_void *)i2d_ECPrivateKey,
401 PEM_STRING_ECPRIVATEKEY,
402 bp,x,enc,kstr,klen,cb,u);
403 }
404
405 #ifndef OPENSSL_NO_FP_API
406 int PEM_write_ECPrivateKey(FILE *fp, EC_KEY *x, const EVP_CIPHER *enc,
407 unsigned char *kstr, int klen,
408 pem_password_cb *cb, void *u)
409 {
410 if (FIPS_mode())
411 {
412 EVP_PKEY *k;
413 int ret;
414 k = EVP_PKEY_new();
415 if (!k)
416 return 0;
417 EVP_PKEY_set1_EC_KEY(k, x);
418 ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
419 EVP_PKEY_free(k);
420 return ret;
421 }
422 else
423 return PEM_ASN1_write((i2d_of_void *)i2d_ECPrivateKey,
424 PEM_STRING_ECPRIVATEKEY,
425 fp,x,enc,kstr,klen,cb,u);
426 }
427 #endif
428
429 #else
430
431 IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY, ECPrivateKey)
432
433 #endif
434
435 IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
436
437 #ifndef OPENSSL_NO_FP_API
438
439 EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
440 void *u)
441 {
442 EVP_PKEY *pktmp;
443 pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
444 return pkey_get_eckey(pktmp, eckey); /* will free pktmp */
445 }
446
447 #endif
448
449 #endif
450
451 #ifndef OPENSSL_NO_DH
452
453 IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
454
455 #endif
456
457 IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)