xref: /openbsd/lib/libcrypto/pem/pem_all.c (revision 4a925a6a)
1 /* $OpenBSD: pem_all.c,v 1.21 2023/07/07 13:40:44 beck Exp $ */
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 
114 #include <openssl/opensslconf.h>
115 
116 #include <openssl/bio.h>
117 #include <openssl/evp.h>
118 #include <openssl/pem.h>
119 #include <openssl/pkcs7.h>
120 #include <openssl/x509.h>
121 
122 #ifndef OPENSSL_NO_DH
123 #include <openssl/dh.h>
124 #endif
125 #ifndef OPENSSL_NO_DSA
126 #include <openssl/dsa.h>
127 #endif
128 #ifndef OPENSSL_NO_RSA
129 #include <openssl/rsa.h>
130 #endif
131 
132 #ifndef OPENSSL_NO_RSA
133 static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
134 #endif
135 #ifndef OPENSSL_NO_DSA
136 static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
137 #endif
138 
139 #ifndef OPENSSL_NO_EC
140 static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
141 #endif
142 
143 
144 X509_REQ *
PEM_read_X509_REQ(FILE * fp,X509_REQ ** x,pem_password_cb * cb,void * u)145 PEM_read_X509_REQ(FILE *fp, X509_REQ **x, pem_password_cb *cb, void *u)
146 {
147 	return PEM_ASN1_read((d2i_of_void *)d2i_X509_REQ, PEM_STRING_X509_REQ, fp,
148 	    (void **)x, cb, u);
149 }
150 LCRYPTO_ALIAS(PEM_read_X509_REQ);
151 
152 int
PEM_write_X509_REQ(FILE * fp,X509_REQ * x)153 PEM_write_X509_REQ(FILE *fp, X509_REQ *x)
154 {
155 	return PEM_ASN1_write((i2d_of_void *)i2d_X509_REQ, PEM_STRING_X509_REQ, fp,
156 	    x, NULL, NULL, 0, NULL, NULL);
157 }
158 LCRYPTO_ALIAS(PEM_write_X509_REQ);
159 
160 X509_REQ *
PEM_read_bio_X509_REQ(BIO * bp,X509_REQ ** x,pem_password_cb * cb,void * u)161 PEM_read_bio_X509_REQ(BIO *bp, X509_REQ **x, pem_password_cb *cb, void *u)
162 {
163 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_X509_REQ, PEM_STRING_X509_REQ, bp,
164 	    (void **)x, cb, u);
165 }
166 LCRYPTO_ALIAS(PEM_read_bio_X509_REQ);
167 
168 int
PEM_write_bio_X509_REQ(BIO * bp,X509_REQ * x)169 PEM_write_bio_X509_REQ(BIO *bp, X509_REQ *x)
170 {
171 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_X509_REQ, PEM_STRING_X509_REQ, bp,
172 	    x, NULL, NULL, 0, NULL, NULL);
173 }
174 LCRYPTO_ALIAS(PEM_write_bio_X509_REQ);
175 
176 int
PEM_write_X509_REQ_NEW(FILE * fp,X509_REQ * x)177 PEM_write_X509_REQ_NEW(FILE *fp, X509_REQ *x)
178 {
179 	return PEM_ASN1_write((i2d_of_void *)i2d_X509_REQ, PEM_STRING_X509_REQ_OLD, fp,
180 	    x, NULL, NULL, 0, NULL, NULL);
181 }
182 LCRYPTO_ALIAS(PEM_write_X509_REQ_NEW);
183 
184 int
PEM_write_bio_X509_REQ_NEW(BIO * bp,X509_REQ * x)185 PEM_write_bio_X509_REQ_NEW(BIO *bp, X509_REQ *x)
186 {
187 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_X509_REQ, PEM_STRING_X509_REQ_OLD, bp,
188 	    x, NULL, NULL, 0, NULL, NULL);
189 }
190 LCRYPTO_ALIAS(PEM_write_bio_X509_REQ_NEW);
191 
192 X509_CRL *
PEM_read_X509_CRL(FILE * fp,X509_CRL ** x,pem_password_cb * cb,void * u)193 PEM_read_X509_CRL(FILE *fp, X509_CRL **x, pem_password_cb *cb, void *u)
194 {
195 	return PEM_ASN1_read((d2i_of_void *)d2i_X509_CRL, PEM_STRING_X509_CRL, fp,
196 	    (void **)x, cb, u);
197 }
198 LCRYPTO_ALIAS(PEM_read_X509_CRL);
199 
200 int
PEM_write_X509_CRL(FILE * fp,X509_CRL * x)201 PEM_write_X509_CRL(FILE *fp, X509_CRL *x)
202 {
203 	return PEM_ASN1_write((i2d_of_void *)i2d_X509_CRL, PEM_STRING_X509_CRL, fp,
204 	    x, NULL, NULL, 0, NULL, NULL);
205 }
206 LCRYPTO_ALIAS(PEM_write_X509_CRL);
207 
208 X509_CRL *
PEM_read_bio_X509_CRL(BIO * bp,X509_CRL ** x,pem_password_cb * cb,void * u)209 PEM_read_bio_X509_CRL(BIO *bp, X509_CRL **x, pem_password_cb *cb, void *u)
210 {
211 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_X509_CRL, PEM_STRING_X509_CRL, bp,
212 	    (void **)x, cb, u);
213 }
214 LCRYPTO_ALIAS(PEM_read_bio_X509_CRL);
215 
216 int
PEM_write_bio_X509_CRL(BIO * bp,X509_CRL * x)217 PEM_write_bio_X509_CRL(BIO *bp, X509_CRL *x)
218 {
219 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_X509_CRL, PEM_STRING_X509_CRL, bp,
220 	    x, NULL, NULL, 0, NULL, NULL);
221 }
222 LCRYPTO_ALIAS(PEM_write_bio_X509_CRL);
223 
224 PKCS7 *
PEM_read_PKCS7(FILE * fp,PKCS7 ** x,pem_password_cb * cb,void * u)225 PEM_read_PKCS7(FILE *fp, PKCS7 **x, pem_password_cb *cb, void *u)
226 {
227 	return PEM_ASN1_read((d2i_of_void *)d2i_PKCS7, PEM_STRING_PKCS7, fp,
228 	    (void **)x, cb, u);
229 }
230 LCRYPTO_ALIAS(PEM_read_PKCS7);
231 
232 int
PEM_write_PKCS7(FILE * fp,PKCS7 * x)233 PEM_write_PKCS7(FILE *fp, PKCS7 *x)
234 {
235 	return PEM_ASN1_write((i2d_of_void *)i2d_PKCS7, PEM_STRING_PKCS7, fp,
236 	    x, NULL, NULL, 0, NULL, NULL);
237 }
238 LCRYPTO_ALIAS(PEM_write_PKCS7);
239 
240 PKCS7 *
PEM_read_bio_PKCS7(BIO * bp,PKCS7 ** x,pem_password_cb * cb,void * u)241 PEM_read_bio_PKCS7(BIO *bp, PKCS7 **x, pem_password_cb *cb, void *u)
242 {
243 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_PKCS7, PEM_STRING_PKCS7, bp,
244 	    (void **)x, cb, u);
245 }
246 LCRYPTO_ALIAS(PEM_read_bio_PKCS7);
247 
248 int
PEM_write_bio_PKCS7(BIO * bp,PKCS7 * x)249 PEM_write_bio_PKCS7(BIO *bp, PKCS7 *x)
250 {
251 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_PKCS7, PEM_STRING_PKCS7, bp,
252 	    x, NULL, NULL, 0, NULL, NULL);
253 }
254 LCRYPTO_ALIAS(PEM_write_bio_PKCS7);
255 
256 #ifndef OPENSSL_NO_RSA
257 
258 /* We treat RSA or DSA private keys as a special case.
259  *
260  * For private keys we read in an EVP_PKEY structure with
261  * PEM_read_bio_PrivateKey() and extract the relevant private
262  * key: this means can handle "traditional" and PKCS#8 formats
263  * transparently.
264  */
265 
266 static RSA *
pkey_get_rsa(EVP_PKEY * key,RSA ** rsa)267 pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
268 {
269 	RSA *rtmp;
270 
271 	if (!key)
272 		return NULL;
273 	rtmp = EVP_PKEY_get1_RSA(key);
274 	EVP_PKEY_free(key);
275 	if (!rtmp)
276 		return NULL;
277 	if (rsa) {
278 		RSA_free(*rsa);
279 		*rsa = rtmp;
280 	}
281 	return rtmp;
282 }
283 
284 RSA *
PEM_read_RSAPrivateKey(FILE * fp,RSA ** rsa,pem_password_cb * cb,void * u)285 PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u)
286 {
287 	EVP_PKEY *pktmp;
288 
289 	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
290 	return pkey_get_rsa(pktmp, rsa);
291 }
292 LCRYPTO_ALIAS(PEM_read_RSAPrivateKey);
293 
294 int
PEM_write_RSAPrivateKey(FILE * fp,RSA * x,const EVP_CIPHER * enc,unsigned char * kstr,int klen,pem_password_cb * cb,void * u)295 PEM_write_RSAPrivateKey(FILE *fp, RSA *x, const EVP_CIPHER *enc,
296     unsigned char *kstr, int klen, pem_password_cb *cb, void *u)
297 {
298         return PEM_ASN1_write((i2d_of_void *)i2d_RSAPrivateKey, PEM_STRING_RSA, fp,
299 	    x, enc, kstr, klen, cb, u);
300 }
301 LCRYPTO_ALIAS(PEM_write_RSAPrivateKey);
302 
303 RSA *
PEM_read_bio_RSAPrivateKey(BIO * bp,RSA ** rsa,pem_password_cb * cb,void * u)304 PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb, void *u)
305 {
306 	EVP_PKEY *pktmp;
307 
308 	pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
309 	return pkey_get_rsa(pktmp, rsa);
310 }
311 LCRYPTO_ALIAS(PEM_read_bio_RSAPrivateKey);
312 
313 int
PEM_write_bio_RSAPrivateKey(BIO * bp,RSA * x,const EVP_CIPHER * enc,unsigned char * kstr,int klen,pem_password_cb * cb,void * u)314 PEM_write_bio_RSAPrivateKey(BIO *bp, RSA *x,
315     const EVP_CIPHER *enc, unsigned char *kstr, int klen, pem_password_cb *cb,
316     void *u)
317 {
318 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_RSAPrivateKey, PEM_STRING_RSA, bp,
319 	    x, enc, kstr, klen, cb, u);
320 }
321 LCRYPTO_ALIAS(PEM_write_bio_RSAPrivateKey);
322 
323 RSA *
PEM_read_RSAPublicKey(FILE * fp,RSA ** x,pem_password_cb * cb,void * u)324 PEM_read_RSAPublicKey(FILE *fp, RSA **x, pem_password_cb *cb, void *u)
325 {
326 	return PEM_ASN1_read((d2i_of_void *)d2i_RSAPublicKey, PEM_STRING_RSA_PUBLIC, fp,
327 	    (void **)x, cb, u);
328 }
329 LCRYPTO_ALIAS(PEM_read_RSAPublicKey);
330 
331 int
PEM_write_RSAPublicKey(FILE * fp,const RSA * x)332 PEM_write_RSAPublicKey(FILE *fp, const RSA *x)
333 {
334 	return PEM_ASN1_write((i2d_of_void *)i2d_RSAPublicKey, PEM_STRING_RSA_PUBLIC, fp,
335 	    (void *)x, NULL, NULL, 0, NULL, NULL);
336 }
337 LCRYPTO_ALIAS(PEM_write_RSAPublicKey);
338 
339 RSA *
PEM_read_bio_RSAPublicKey(BIO * bp,RSA ** x,pem_password_cb * cb,void * u)340 PEM_read_bio_RSAPublicKey(BIO *bp, RSA **x, pem_password_cb *cb, void *u)
341 {
342 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_RSAPublicKey, PEM_STRING_RSA_PUBLIC, bp,
343 	    (void **)x, cb, u);
344 }
345 LCRYPTO_ALIAS(PEM_read_bio_RSAPublicKey);
346 
347 int
PEM_write_bio_RSAPublicKey(BIO * bp,const RSA * x)348 PEM_write_bio_RSAPublicKey(BIO *bp, const RSA *x)
349 {
350 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_RSAPublicKey, PEM_STRING_RSA_PUBLIC, bp,
351 	    (void *)x, NULL, NULL, 0, NULL, NULL);
352 }
353 LCRYPTO_ALIAS(PEM_write_bio_RSAPublicKey);
354 
355 RSA *
PEM_read_RSA_PUBKEY(FILE * fp,RSA ** x,pem_password_cb * cb,void * u)356 PEM_read_RSA_PUBKEY(FILE *fp, RSA **x, pem_password_cb *cb, void *u)
357 {
358 	return PEM_ASN1_read((d2i_of_void *)d2i_RSA_PUBKEY, PEM_STRING_PUBLIC, fp,
359 	    (void **)x, cb, u);
360 }
361 LCRYPTO_ALIAS(PEM_read_RSA_PUBKEY);
362 
363 int
PEM_write_RSA_PUBKEY(FILE * fp,RSA * x)364 PEM_write_RSA_PUBKEY(FILE *fp, RSA *x)
365 {
366 	return PEM_ASN1_write((i2d_of_void *)i2d_RSA_PUBKEY, PEM_STRING_PUBLIC, fp,
367 	    x, NULL, NULL, 0, NULL, NULL);
368 }
369 LCRYPTO_ALIAS(PEM_write_RSA_PUBKEY);
370 
371 RSA *
PEM_read_bio_RSA_PUBKEY(BIO * bp,RSA ** x,pem_password_cb * cb,void * u)372 PEM_read_bio_RSA_PUBKEY(BIO *bp, RSA **x, pem_password_cb *cb, void *u)
373 {
374 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_RSA_PUBKEY, PEM_STRING_PUBLIC, bp,
375 	    (void **)x, cb, u);
376 }
377 LCRYPTO_ALIAS(PEM_read_bio_RSA_PUBKEY);
378 
379 int
PEM_write_bio_RSA_PUBKEY(BIO * bp,RSA * x)380 PEM_write_bio_RSA_PUBKEY(BIO *bp, RSA *x)
381 {
382 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_RSA_PUBKEY, PEM_STRING_PUBLIC, bp,
383 	    x, NULL, NULL, 0, NULL, NULL);
384 }
385 LCRYPTO_ALIAS(PEM_write_bio_RSA_PUBKEY);
386 
387 #endif
388 
389 #ifndef OPENSSL_NO_DSA
390 
391 static DSA *
pkey_get_dsa(EVP_PKEY * key,DSA ** dsa)392 pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
393 {
394 	DSA *dtmp;
395 
396 	if (!key)
397 		return NULL;
398 	dtmp = EVP_PKEY_get1_DSA(key);
399 	EVP_PKEY_free(key);
400 	if (!dtmp)
401 		return NULL;
402 	if (dsa) {
403 		DSA_free(*dsa);
404 		*dsa = dtmp;
405 	}
406 	return dtmp;
407 }
408 
409 DSA *
PEM_read_DSAPrivateKey(FILE * fp,DSA ** dsa,pem_password_cb * cb,void * u)410 PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u)
411 {
412 	EVP_PKEY *pktmp;
413 
414 	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
415 	return pkey_get_dsa(pktmp, dsa);	/* will free pktmp */
416 }
417 LCRYPTO_ALIAS(PEM_read_DSAPrivateKey);
418 
419 int
PEM_write_DSAPrivateKey(FILE * fp,DSA * x,const EVP_CIPHER * enc,unsigned char * kstr,int klen,pem_password_cb * cb,void * u)420 PEM_write_DSAPrivateKey(FILE *fp, DSA *x, const EVP_CIPHER *enc,
421     unsigned char *kstr, int klen, pem_password_cb *cb, void *u)
422 {
423         return PEM_ASN1_write((i2d_of_void *)i2d_DSAPrivateKey, PEM_STRING_DSA, fp,
424 	    x, enc, kstr, klen, cb, u);
425 }
426 LCRYPTO_ALIAS(PEM_write_DSAPrivateKey);
427 
428 DSA *
PEM_read_bio_DSAPrivateKey(BIO * bp,DSA ** dsa,pem_password_cb * cb,void * u)429 PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb, void *u)
430 {
431 	EVP_PKEY *pktmp;
432 
433 	pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
434 	return pkey_get_dsa(pktmp, dsa);	/* will free pktmp */
435 }
436 LCRYPTO_ALIAS(PEM_read_bio_DSAPrivateKey);
437 
438 int
PEM_write_bio_DSAPrivateKey(BIO * bp,DSA * x,const EVP_CIPHER * enc,unsigned char * kstr,int klen,pem_password_cb * cb,void * u)439 PEM_write_bio_DSAPrivateKey(BIO *bp, DSA *x,
440     const EVP_CIPHER *enc, unsigned char *kstr, int klen, pem_password_cb *cb,
441     void *u)
442 {
443 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_DSAPrivateKey, PEM_STRING_DSA, bp,
444 	    x, enc, kstr, klen, cb, u);
445 }
446 LCRYPTO_ALIAS(PEM_write_bio_DSAPrivateKey);
447 
448 DSA *
PEM_read_DSA_PUBKEY(FILE * fp,DSA ** x,pem_password_cb * cb,void * u)449 PEM_read_DSA_PUBKEY(FILE *fp, DSA **x, pem_password_cb *cb, void *u)
450 {
451 	return PEM_ASN1_read((d2i_of_void *)d2i_DSA_PUBKEY, PEM_STRING_PUBLIC, fp,
452 	    (void **)x, cb, u);
453 }
454 LCRYPTO_ALIAS(PEM_read_DSA_PUBKEY);
455 
456 int
PEM_write_DSA_PUBKEY(FILE * fp,DSA * x)457 PEM_write_DSA_PUBKEY(FILE *fp, DSA *x)
458 {
459 	return PEM_ASN1_write((i2d_of_void *)i2d_DSA_PUBKEY, PEM_STRING_PUBLIC, fp,
460 	    x, NULL, NULL, 0, NULL, NULL);
461 }
462 LCRYPTO_ALIAS(PEM_write_DSA_PUBKEY);
463 
464 int
PEM_write_bio_DSA_PUBKEY(BIO * bp,DSA * x)465 PEM_write_bio_DSA_PUBKEY(BIO *bp, DSA *x)
466 {
467 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_DSA_PUBKEY, PEM_STRING_PUBLIC, bp,
468 	    x, NULL, NULL, 0, NULL, NULL);
469 }
470 LCRYPTO_ALIAS(PEM_write_bio_DSA_PUBKEY);
471 
472 DSA *
PEM_read_bio_DSA_PUBKEY(BIO * bp,DSA ** x,pem_password_cb * cb,void * u)473 PEM_read_bio_DSA_PUBKEY(BIO *bp, DSA **x, pem_password_cb *cb, void *u)
474 {
475 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_DSA_PUBKEY, PEM_STRING_PUBLIC, bp,
476 	    (void **)x, cb, u);
477 }
478 LCRYPTO_ALIAS(PEM_read_bio_DSA_PUBKEY);
479 
480 DSA *
PEM_read_DSAparams(FILE * fp,DSA ** x,pem_password_cb * cb,void * u)481 PEM_read_DSAparams(FILE *fp, DSA **x, pem_password_cb *cb, void *u)
482 {
483 	return PEM_ASN1_read((d2i_of_void *)d2i_DSAparams, PEM_STRING_DSAPARAMS, fp,
484 	    (void **)x, cb, u);
485 }
486 LCRYPTO_ALIAS(PEM_read_DSAparams);
487 
488 int
PEM_write_DSAparams(FILE * fp,const DSA * x)489 PEM_write_DSAparams(FILE *fp, const DSA *x)
490 {
491 	return PEM_ASN1_write((i2d_of_void *)i2d_DSAparams, PEM_STRING_DSAPARAMS, fp,
492 	    (void *)x, NULL, NULL, 0, NULL, NULL);
493 }
494 LCRYPTO_ALIAS(PEM_write_DSAparams);
495 
496 DSA *
PEM_read_bio_DSAparams(BIO * bp,DSA ** x,pem_password_cb * cb,void * u)497 PEM_read_bio_DSAparams(BIO *bp, DSA **x, pem_password_cb *cb, void *u)
498 {
499 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_DSAparams, PEM_STRING_DSAPARAMS, bp,
500 	    (void **)x, cb, u);
501 }
502 LCRYPTO_ALIAS(PEM_read_bio_DSAparams);
503 
504 int
PEM_write_bio_DSAparams(BIO * bp,const DSA * x)505 PEM_write_bio_DSAparams(BIO *bp, const DSA *x)
506 {
507 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_DSAparams, PEM_STRING_DSAPARAMS, bp,
508 	    (void *)x, NULL, NULL, 0, NULL, NULL);
509 }
510 LCRYPTO_ALIAS(PEM_write_bio_DSAparams);
511 
512 #endif
513 
514 
515 #ifndef OPENSSL_NO_EC
516 static EC_KEY *
pkey_get_eckey(EVP_PKEY * key,EC_KEY ** eckey)517 pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
518 {
519 	EC_KEY *dtmp;
520 
521 	if (!key)
522 		return NULL;
523 	dtmp = EVP_PKEY_get1_EC_KEY(key);
524 	EVP_PKEY_free(key);
525 	if (!dtmp)
526 		return NULL;
527 	if (eckey) {
528 		EC_KEY_free(*eckey);
529 		*eckey = dtmp;
530 	}
531 	return dtmp;
532 }
533 
534 EC_GROUP *
PEM_read_ECPKParameters(FILE * fp,EC_GROUP ** x,pem_password_cb * cb,void * u)535 PEM_read_ECPKParameters(FILE *fp, EC_GROUP **x, pem_password_cb *cb, void *u)
536 {
537 	return PEM_ASN1_read((d2i_of_void *)d2i_ECPKParameters, PEM_STRING_ECPARAMETERS, fp,
538 	    (void **)x, cb, u);
539 }
540 LCRYPTO_ALIAS(PEM_read_ECPKParameters);
541 
542 int
PEM_write_ECPKParameters(FILE * fp,const EC_GROUP * x)543 PEM_write_ECPKParameters(FILE *fp, const EC_GROUP *x)
544 {
545 	return PEM_ASN1_write((i2d_of_void *)i2d_ECPKParameters, PEM_STRING_ECPARAMETERS, fp,
546 	    (void *)x, NULL, NULL, 0, NULL, NULL);
547 }
548 LCRYPTO_ALIAS(PEM_write_ECPKParameters);
549 
550 EC_GROUP *
PEM_read_bio_ECPKParameters(BIO * bp,EC_GROUP ** x,pem_password_cb * cb,void * u)551 PEM_read_bio_ECPKParameters(BIO *bp, EC_GROUP **x, pem_password_cb *cb, void *u)
552 {
553 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_ECPKParameters, PEM_STRING_ECPARAMETERS, bp,
554 	    (void **)x, cb, u);
555 }
556 LCRYPTO_ALIAS(PEM_read_bio_ECPKParameters);
557 
558 int
PEM_write_bio_ECPKParameters(BIO * bp,const EC_GROUP * x)559 PEM_write_bio_ECPKParameters(BIO *bp, const EC_GROUP *x)
560 {
561 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_ECPKParameters, PEM_STRING_ECPARAMETERS, bp,
562 	    (void *)x, NULL, NULL, 0, NULL, NULL);
563 }
564 LCRYPTO_ALIAS(PEM_write_bio_ECPKParameters);
565 
566 EC_KEY *
PEM_read_ECPrivateKey(FILE * fp,EC_KEY ** eckey,pem_password_cb * cb,void * u)567 PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb, void *u)
568 {
569 	EVP_PKEY *pktmp;
570 
571 	pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
572 	return pkey_get_eckey(pktmp, eckey);	/* will free pktmp */
573 }
574 LCRYPTO_ALIAS(PEM_read_ECPrivateKey);
575 
576 int
PEM_write_ECPrivateKey(FILE * fp,EC_KEY * x,const EVP_CIPHER * enc,unsigned char * kstr,int klen,pem_password_cb * cb,void * u)577 PEM_write_ECPrivateKey(FILE *fp, EC_KEY *x, const EVP_CIPHER *enc,
578     unsigned char *kstr, int klen, pem_password_cb *cb, void *u)
579 {
580         return PEM_ASN1_write((i2d_of_void *)i2d_ECPrivateKey, PEM_STRING_ECPRIVATEKEY, fp,
581 	    x, enc, kstr, klen, cb, u);
582 }
583 LCRYPTO_ALIAS(PEM_write_ECPrivateKey);
584 
585 EC_KEY *
PEM_read_bio_ECPrivateKey(BIO * bp,EC_KEY ** key,pem_password_cb * cb,void * u)586 PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb, void *u)
587 {
588 	EVP_PKEY *pktmp;
589 	pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
590 	return pkey_get_eckey(pktmp, key);	/* will free pktmp */
591 }
592 LCRYPTO_ALIAS(PEM_read_bio_ECPrivateKey);
593 
594 int
PEM_write_bio_ECPrivateKey(BIO * bp,EC_KEY * x,const EVP_CIPHER * enc,unsigned char * kstr,int klen,pem_password_cb * cb,void * u)595 PEM_write_bio_ECPrivateKey(BIO *bp, EC_KEY *x,
596     const EVP_CIPHER *enc, unsigned char *kstr, int klen, pem_password_cb *cb,
597     void *u)
598 {
599 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_ECPrivateKey, PEM_STRING_ECPRIVATEKEY, bp,
600 	    x, enc, kstr, klen, cb, u);
601 }
602 LCRYPTO_ALIAS(PEM_write_bio_ECPrivateKey);
603 
604 EC_KEY *
PEM_read_EC_PUBKEY(FILE * fp,EC_KEY ** x,pem_password_cb * cb,void * u)605 PEM_read_EC_PUBKEY(FILE *fp, EC_KEY **x, pem_password_cb *cb, void *u)
606 {
607 	return PEM_ASN1_read((d2i_of_void *)d2i_EC_PUBKEY, PEM_STRING_PUBLIC, fp,
608 	    (void **)x, cb, u);
609 }
610 LCRYPTO_ALIAS(PEM_read_EC_PUBKEY);
611 
612 int
PEM_write_EC_PUBKEY(FILE * fp,EC_KEY * x)613 PEM_write_EC_PUBKEY(FILE *fp, EC_KEY *x)
614 {
615 	return PEM_ASN1_write((i2d_of_void *)i2d_EC_PUBKEY, PEM_STRING_PUBLIC, fp,
616 	    x, NULL, NULL, 0, NULL, NULL);
617 }
618 LCRYPTO_ALIAS(PEM_write_EC_PUBKEY);
619 
620 EC_KEY *
PEM_read_bio_EC_PUBKEY(BIO * bp,EC_KEY ** x,pem_password_cb * cb,void * u)621 PEM_read_bio_EC_PUBKEY(BIO *bp, EC_KEY **x, pem_password_cb *cb, void *u)
622 {
623 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_EC_PUBKEY, PEM_STRING_PUBLIC, bp,
624 	    (void **)x, cb, u);
625 }
626 LCRYPTO_ALIAS(PEM_read_bio_EC_PUBKEY);
627 
628 int
PEM_write_bio_EC_PUBKEY(BIO * bp,EC_KEY * x)629 PEM_write_bio_EC_PUBKEY(BIO *bp, EC_KEY *x)
630 {
631 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_EC_PUBKEY, PEM_STRING_PUBLIC, bp,
632 	    x, NULL, NULL, 0, NULL, NULL);
633 }
634 LCRYPTO_ALIAS(PEM_write_bio_EC_PUBKEY);
635 
636 #endif
637 
638 #ifndef OPENSSL_NO_DH
639 
640 DH *
PEM_read_DHparams(FILE * fp,DH ** x,pem_password_cb * cb,void * u)641 PEM_read_DHparams(FILE *fp, DH **x, pem_password_cb *cb, void *u)
642 {
643 	return PEM_ASN1_read((d2i_of_void *)d2i_DHparams, PEM_STRING_DHPARAMS, fp,
644 	    (void **)x, cb, u);
645 }
646 LCRYPTO_ALIAS(PEM_read_DHparams);
647 
648 int
PEM_write_DHparams(FILE * fp,const DH * x)649 PEM_write_DHparams(FILE *fp, const DH *x)
650 {
651 	return PEM_ASN1_write((i2d_of_void *)i2d_DHparams, PEM_STRING_DHPARAMS, fp,
652 	    (void *)x, NULL, NULL, 0, NULL, NULL);
653 }
654 LCRYPTO_ALIAS(PEM_write_DHparams);
655 
656 DH *
PEM_read_bio_DHparams(BIO * bp,DH ** x,pem_password_cb * cb,void * u)657 PEM_read_bio_DHparams(BIO *bp, DH **x, pem_password_cb *cb, void *u)
658 {
659 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_DHparams, PEM_STRING_DHPARAMS, bp,
660 	    (void **)x, cb, u);
661 }
662 LCRYPTO_ALIAS(PEM_read_bio_DHparams);
663 
664 int
PEM_write_bio_DHparams(BIO * bp,const DH * x)665 PEM_write_bio_DHparams(BIO *bp, const DH *x)
666 {
667 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_DHparams, PEM_STRING_DHPARAMS, bp,
668 	    (void *)x, NULL, NULL, 0, NULL, NULL);
669 }
670 LCRYPTO_ALIAS(PEM_write_bio_DHparams);
671 
672 #endif
673 
674 EVP_PKEY *
PEM_read_PUBKEY(FILE * fp,EVP_PKEY ** x,pem_password_cb * cb,void * u)675 PEM_read_PUBKEY(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
676 {
677 	return PEM_ASN1_read((d2i_of_void *)d2i_PUBKEY, PEM_STRING_PUBLIC, fp,
678 	    (void **)x, cb, u);
679 }
680 LCRYPTO_ALIAS(PEM_read_PUBKEY);
681 
682 int
PEM_write_PUBKEY(FILE * fp,EVP_PKEY * x)683 PEM_write_PUBKEY(FILE *fp, EVP_PKEY *x)
684 {
685 	return PEM_ASN1_write((i2d_of_void *)i2d_PUBKEY, PEM_STRING_PUBLIC, fp,
686 	    x, NULL, NULL, 0, NULL, NULL);
687 }
688 LCRYPTO_ALIAS(PEM_write_PUBKEY);
689 
690 EVP_PKEY *
PEM_read_bio_PUBKEY(BIO * bp,EVP_PKEY ** x,pem_password_cb * cb,void * u)691 PEM_read_bio_PUBKEY(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
692 {
693 	return PEM_ASN1_read_bio((d2i_of_void *)d2i_PUBKEY, PEM_STRING_PUBLIC, bp,
694 	    (void **)x, cb, u);
695 }
696 LCRYPTO_ALIAS(PEM_read_bio_PUBKEY);
697 
698 int
PEM_write_bio_PUBKEY(BIO * bp,EVP_PKEY * x)699 PEM_write_bio_PUBKEY(BIO *bp, EVP_PKEY *x)
700 {
701 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_PUBKEY, PEM_STRING_PUBLIC, bp,
702 	    x, NULL, NULL, 0, NULL, NULL);
703 }
704 LCRYPTO_ALIAS(PEM_write_bio_PUBKEY);
705