xref: /openbsd/lib/libcrypto/pem/pem.h (revision 1b959929)
1 /* $OpenBSD: pem.h,v 1.28 2024/05/11 05:41:28 tb Exp $ */
2 /* Copyright (C) 1995-1997 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 #ifndef HEADER_PEM_H
60 #define HEADER_PEM_H
61 
62 #include <openssl/opensslconf.h>
63 
64 #ifndef OPENSSL_NO_BIO
65 #include <openssl/bio.h>
66 #endif
67 #ifndef OPENSSL_NO_STACK
68 #include <openssl/stack.h>
69 #endif
70 #include <openssl/evp.h>
71 #include <openssl/x509.h>
72 
73 #ifdef  __cplusplus
74 extern "C" {
75 #endif
76 
77 #define PEM_BUFSIZE		1024
78 
79 #define PEM_OBJ_UNDEF		0
80 #define PEM_OBJ_X509		1
81 #define PEM_OBJ_X509_REQ	2
82 #define PEM_OBJ_CRL		3
83 #define PEM_OBJ_SSL_SESSION	4
84 #define PEM_OBJ_PRIV_KEY	10
85 #define PEM_OBJ_PRIV_RSA	11
86 #define PEM_OBJ_PRIV_DSA	12
87 #define PEM_OBJ_PRIV_DH		13
88 #define PEM_OBJ_PUB_RSA		14
89 #define PEM_OBJ_PUB_DSA		15
90 #define PEM_OBJ_PUB_DH		16
91 #define PEM_OBJ_DHPARAMS	17
92 #define PEM_OBJ_DSAPARAMS	18
93 #define PEM_OBJ_PRIV_RSA_PUBLIC	19
94 #define PEM_OBJ_PRIV_ECDSA	20
95 #define PEM_OBJ_PUB_ECDSA	21
96 #define PEM_OBJ_ECPARAMETERS	22
97 
98 #define PEM_ERROR		30
99 #define PEM_DEK_DES_CBC         40
100 #define PEM_DEK_IDEA_CBC        45
101 #define PEM_DEK_DES_EDE         50
102 #define PEM_DEK_DES_ECB         60
103 #define PEM_DEK_RSA             70
104 #define PEM_DEK_RSA_MD2         80
105 #define PEM_DEK_RSA_MD5         90
106 
107 #define PEM_MD_MD2		NID_md2
108 #define PEM_MD_MD5		NID_md5
109 #define PEM_MD_SHA		NID_sha
110 #define PEM_MD_MD2_RSA		NID_md2WithRSAEncryption
111 #define PEM_MD_MD5_RSA		NID_md5WithRSAEncryption
112 #define PEM_MD_SHA_RSA		NID_sha1WithRSAEncryption
113 
114 #define PEM_STRING_X509_OLD	"X509 CERTIFICATE"
115 #define PEM_STRING_X509		"CERTIFICATE"
116 #define PEM_STRING_X509_TRUSTED	"TRUSTED CERTIFICATE"
117 #define PEM_STRING_X509_REQ_OLD	"NEW CERTIFICATE REQUEST"
118 #define PEM_STRING_X509_REQ	"CERTIFICATE REQUEST"
119 #define PEM_STRING_X509_CRL	"X509 CRL"
120 #define PEM_STRING_EVP_PKEY	"ANY PRIVATE KEY"
121 #define PEM_STRING_PUBLIC	"PUBLIC KEY"
122 #define PEM_STRING_RSA		"RSA PRIVATE KEY"
123 #define PEM_STRING_RSA_PUBLIC	"RSA PUBLIC KEY"
124 #define PEM_STRING_DSA		"DSA PRIVATE KEY"
125 #define PEM_STRING_DSA_PUBLIC	"DSA PUBLIC KEY"
126 #define PEM_STRING_PKCS7	"PKCS7"
127 #define PEM_STRING_PKCS7_SIGNED	"PKCS #7 SIGNED DATA"
128 #define PEM_STRING_PKCS8	"ENCRYPTED PRIVATE KEY"
129 #define PEM_STRING_PKCS8INF	"PRIVATE KEY"
130 #define PEM_STRING_DHPARAMS	"DH PARAMETERS"
131 #define PEM_STRING_SSL_SESSION	"SSL SESSION PARAMETERS"
132 #define PEM_STRING_DSAPARAMS	"DSA PARAMETERS"
133 #define PEM_STRING_ECDSA_PUBLIC "ECDSA PUBLIC KEY"
134 #define PEM_STRING_ECPARAMETERS "EC PARAMETERS"
135 #define PEM_STRING_ECPRIVATEKEY	"EC PRIVATE KEY"
136 #define PEM_STRING_PARAMETERS	"PARAMETERS"
137 #define PEM_STRING_CMS		"CMS"
138 
139 /* enc_type is one off */
140 #define PEM_TYPE_ENCRYPTED      10
141 #define PEM_TYPE_MIC_ONLY       20
142 #define PEM_TYPE_MIC_CLEAR      30
143 #define PEM_TYPE_CLEAR		40
144 
145 #ifndef LIBRESSL_INTERNAL
146 /* These macros make the PEM_read/PEM_write functions easier to maintain and
147  * write. Now they are all implemented with either:
148  * IMPLEMENT_PEM_rw(...) or IMPLEMENT_PEM_rw_cb(...)
149  */
150 
151 #define IMPLEMENT_PEM_read_fp(name, type, str, asn1) \
152 type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u)\
153 { \
154 return PEM_ASN1_read((d2i_of_void *)d2i_##asn1, str,fp,(void **)x,cb,u); \
155 }
156 
157 #define IMPLEMENT_PEM_write_fp(name, type, str, asn1) \
158 int PEM_write_##name(FILE *fp, type *x) \
159 { \
160 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL); \
161 }
162 
163 #define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) \
164 int PEM_write_##name(FILE *fp, const type *x) \
165 { \
166 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,(void *)x,NULL,NULL,0,NULL,NULL); \
167 }
168 
169 #define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) \
170 int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
171 	     unsigned char *kstr, int klen, pem_password_cb *cb, \
172 		  void *u) \
173 	{ \
174 	return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u); \
175 	}
176 
177 #define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) \
178 int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
179 	     unsigned char *kstr, int klen, pem_password_cb *cb, \
180 		  void *u) \
181 	{ \
182 	return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u); \
183 	}
184 
185 
186 #define IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
187 type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u)\
188 { \
189 return PEM_ASN1_read_bio((d2i_of_void *)d2i_##asn1, str,bp,(void **)x,cb,u); \
190 }
191 
192 #define IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
193 int PEM_write_bio_##name(BIO *bp, type *x) \
194 { \
195 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL); \
196 }
197 
198 #define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
199 int PEM_write_bio_##name(BIO *bp, const type *x) \
200 { \
201 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)x,NULL,NULL,0,NULL,NULL); \
202 }
203 
204 #define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
205 int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
206 	     unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
207 	{ \
208 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u); \
209 	}
210 
211 #define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
212 int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
213 	     unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
214 	{ \
215 	return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)x,enc,kstr,klen,cb,u); \
216 	}
217 
218 #define IMPLEMENT_PEM_write(name, type, str, asn1) \
219 	IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
220 	IMPLEMENT_PEM_write_fp(name, type, str, asn1)
221 
222 #define IMPLEMENT_PEM_write_const(name, type, str, asn1) \
223 	IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
224 	IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)
225 
226 #define IMPLEMENT_PEM_write_cb(name, type, str, asn1) \
227 	IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
228 	IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)
229 
230 #define IMPLEMENT_PEM_write_cb_const(name, type, str, asn1) \
231 	IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
232 	IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)
233 
234 #define IMPLEMENT_PEM_read(name, type, str, asn1) \
235 	IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
236 	IMPLEMENT_PEM_read_fp(name, type, str, asn1)
237 
238 #define IMPLEMENT_PEM_rw(name, type, str, asn1) \
239 	IMPLEMENT_PEM_read(name, type, str, asn1) \
240 	IMPLEMENT_PEM_write(name, type, str, asn1)
241 
242 #define IMPLEMENT_PEM_rw_const(name, type, str, asn1) \
243 	IMPLEMENT_PEM_read(name, type, str, asn1) \
244 	IMPLEMENT_PEM_write_const(name, type, str, asn1)
245 
246 #define IMPLEMENT_PEM_rw_cb(name, type, str, asn1) \
247 	IMPLEMENT_PEM_read(name, type, str, asn1) \
248 	IMPLEMENT_PEM_write_cb(name, type, str, asn1)
249 
250 #endif
251 
252 /* These are the same except they are for the declarations */
253 
254 
255 #define DECLARE_PEM_read_fp(name, type) \
256 	type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u);
257 
258 #define DECLARE_PEM_write_fp(name, type) \
259 	int PEM_write_##name(FILE *fp, type *x);
260 
261 #define DECLARE_PEM_write_fp_const(name, type) \
262 	int PEM_write_##name(FILE *fp, const type *x);
263 
264 #define DECLARE_PEM_write_cb_fp(name, type) \
265 	int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
266 	     unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
267 
268 
269 #ifndef OPENSSL_NO_BIO
270 #define DECLARE_PEM_read_bio(name, type) \
271 	type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u);
272 
273 #define DECLARE_PEM_write_bio(name, type) \
274 	int PEM_write_bio_##name(BIO *bp, type *x);
275 
276 #define DECLARE_PEM_write_bio_const(name, type) \
277 	int PEM_write_bio_##name(BIO *bp, const type *x);
278 
279 #define DECLARE_PEM_write_cb_bio(name, type) \
280 	int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
281 	     unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
282 
283 #else
284 
285 #define DECLARE_PEM_read_bio(name, type) /**/
286 #define DECLARE_PEM_write_bio(name, type) /**/
287 #define DECLARE_PEM_write_bio_const(name, type) /**/
288 #define DECLARE_PEM_write_cb_bio(name, type) /**/
289 
290 #endif
291 
292 #define DECLARE_PEM_write(name, type) \
293 	DECLARE_PEM_write_bio(name, type) \
294 	DECLARE_PEM_write_fp(name, type)
295 
296 #define DECLARE_PEM_write_const(name, type) \
297 	DECLARE_PEM_write_bio_const(name, type) \
298 	DECLARE_PEM_write_fp_const(name, type)
299 
300 #define DECLARE_PEM_write_cb(name, type) \
301 	DECLARE_PEM_write_cb_bio(name, type) \
302 	DECLARE_PEM_write_cb_fp(name, type)
303 
304 #define DECLARE_PEM_read(name, type) \
305 	DECLARE_PEM_read_bio(name, type) \
306 	DECLARE_PEM_read_fp(name, type)
307 
308 #define DECLARE_PEM_rw(name, type) \
309 	DECLARE_PEM_read(name, type) \
310 	DECLARE_PEM_write(name, type)
311 
312 #define DECLARE_PEM_rw_const(name, type) \
313 	DECLARE_PEM_read(name, type) \
314 	DECLARE_PEM_write_const(name, type)
315 
316 #define DECLARE_PEM_rw_cb(name, type) \
317 	DECLARE_PEM_read(name, type) \
318 	DECLARE_PEM_write_cb(name, type)
319 
320 typedef int pem_password_cb(char *buf, int size, int rwflag, void *userdata);
321 
322 int	PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher);
323 int	PEM_do_header (EVP_CIPHER_INFO *cipher, unsigned char *data, long *len,
324 	    pem_password_cb *callback, void *u);
325 
326 #ifndef OPENSSL_NO_BIO
327 int	PEM_read_bio(BIO *bp, char **name, char **header,
328 	    unsigned char **data, long *len);
329 int	PEM_write_bio(BIO *bp, const char *name, const char *hdr,
330 	    const unsigned char *data, long len);
331 int	PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm,
332 	    const char *name, BIO *bp, pem_password_cb *cb, void *u);
333 void *	PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp,
334 	    void **x, pem_password_cb *cb, void *u);
335 int	PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp, void *x,
336 	    const EVP_CIPHER *enc, unsigned char *kstr, int klen,
337 	    pem_password_cb *cb, void *u);
338 
339 STACK_OF(X509_INFO) *	PEM_X509_INFO_read_bio(BIO *bp,
340 	    STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u);
341 int	PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
342 	    unsigned char *kstr, int klen, pem_password_cb *cd, void *u);
343 #endif
344 
345 int	PEM_read(FILE *fp, char **name, char **header,
346 	    unsigned char **data, long *len);
347 int	PEM_write(FILE *fp, const char *name, const char *hdr,
348 	    const unsigned char *data, long len);
349 void *  PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
350 	    pem_password_cb *cb, void *u);
351 int	PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp,
352 	    void *x, const EVP_CIPHER *enc, unsigned char *kstr,
353 	    int klen, pem_password_cb *callback, void *u);
354 STACK_OF(X509_INFO) *	PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
355 	    pem_password_cb *cb, void *u);
356 
357 int    PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type);
358 int    PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *d, unsigned int cnt);
359 int	PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
360 	    unsigned int *siglen, EVP_PKEY *pkey);
361 
362 int	PEM_def_callback(char *buf, int num, int w, void *key);
363 void	PEM_proc_type(char *buf, int type);
364 void	PEM_dek_info(char *buf, const char *type, int len, char *str);
365 
366 
367 DECLARE_PEM_rw(X509, X509)
368 
369 DECLARE_PEM_rw(X509_AUX, X509)
370 
371 DECLARE_PEM_rw(X509_REQ, X509_REQ)
372 DECLARE_PEM_write(X509_REQ_NEW, X509_REQ)
373 
374 DECLARE_PEM_rw(X509_CRL, X509_CRL)
375 
376 DECLARE_PEM_rw(PKCS7, PKCS7)
377 
378 DECLARE_PEM_rw(PKCS8, X509_SIG)
379 
380 DECLARE_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
381 
382 #ifndef OPENSSL_NO_RSA
383 
384 DECLARE_PEM_rw_cb(RSAPrivateKey, RSA)
385 
386 DECLARE_PEM_rw_const(RSAPublicKey, RSA)
387 DECLARE_PEM_rw(RSA_PUBKEY, RSA)
388 
389 #endif
390 
391 #ifndef OPENSSL_NO_DSA
392 
393 DECLARE_PEM_rw_cb(DSAPrivateKey, DSA)
394 
395 DECLARE_PEM_rw(DSA_PUBKEY, DSA)
396 
397 DECLARE_PEM_rw_const(DSAparams, DSA)
398 
399 #endif
400 
401 #ifndef OPENSSL_NO_EC
402 DECLARE_PEM_rw_const(ECPKParameters, EC_GROUP)
403 DECLARE_PEM_rw_cb(ECPrivateKey, EC_KEY)
404 DECLARE_PEM_rw(EC_PUBKEY, EC_KEY)
405 #endif
406 
407 #ifndef OPENSSL_NO_DH
408 
409 DECLARE_PEM_rw_const(DHparams, DH)
410 
411 #endif
412 
413 DECLARE_PEM_rw_cb(PrivateKey, EVP_PKEY)
414 
415 DECLARE_PEM_rw(PUBKEY, EVP_PKEY)
416 
417 int PEM_write_bio_PrivateKey_traditional(BIO *bp, EVP_PKEY *x,
418     const EVP_CIPHER *enc, unsigned char *kstr, int klen, pem_password_cb *cb,
419     void *u);
420 int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
421     char *kstr, int klen,
422     pem_password_cb *cb, void *u);
423 int PEM_write_bio_PKCS8PrivateKey(BIO *, EVP_PKEY *, const EVP_CIPHER *,
424     char *, int, pem_password_cb *, void *);
425 int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
426     char *kstr, int klen,
427     pem_password_cb *cb, void *u);
428 int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
429     char *kstr, int klen,
430     pem_password_cb *cb, void *u);
431 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
432     void *u);
433 
434 int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
435     char *kstr, int klen,
436     pem_password_cb *cb, void *u);
437 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
438     char *kstr, int klen,
439     pem_password_cb *cb, void *u);
440 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
441     char *kstr, int klen,
442     pem_password_cb *cb, void *u);
443 
444 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
445     void *u);
446 
447 int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
448     char *kstr, int klen, pem_password_cb *cd, void *u);
449 
450 EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x);
451 int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x);
452 
453 
454 EVP_PKEY *b2i_PrivateKey(const unsigned char **in, long length);
455 EVP_PKEY *b2i_PublicKey(const unsigned char **in, long length);
456 EVP_PKEY *b2i_PrivateKey_bio(BIO *in);
457 EVP_PKEY *b2i_PublicKey_bio(BIO *in);
458 int i2b_PrivateKey_bio(BIO *out, EVP_PKEY *pk);
459 int i2b_PublicKey_bio(BIO *out, EVP_PKEY *pk);
460 #ifndef OPENSSL_NO_RC4
461 EVP_PKEY *b2i_PVK_bio(BIO *in, pem_password_cb *cb, void *u);
462 int i2b_PVK_bio(BIO *out, EVP_PKEY *pk, int enclevel, pem_password_cb *cb,
463     void *u);
464 #endif
465 
466 
467 void ERR_load_PEM_strings(void);
468 
469 /* Error codes for the PEM functions. */
470 
471 /* Function codes. */
472 #define PEM_F_B2I_DSS					 127
473 #define PEM_F_B2I_PVK_BIO				 128
474 #define PEM_F_B2I_RSA					 129
475 #define PEM_F_CHECK_BITLEN_DSA				 130
476 #define PEM_F_CHECK_BITLEN_RSA				 131
477 #define PEM_F_D2I_PKCS8PRIVATEKEY_BIO			 120
478 #define PEM_F_D2I_PKCS8PRIVATEKEY_FP			 121
479 #define PEM_F_DO_B2I					 132
480 #define PEM_F_DO_B2I_BIO				 133
481 #define PEM_F_DO_BLOB_HEADER				 134
482 #define PEM_F_DO_PK8PKEY				 126
483 #define PEM_F_DO_PK8PKEY_FP				 125
484 #define PEM_F_DO_PVK_BODY				 135
485 #define PEM_F_DO_PVK_HEADER				 136
486 #define PEM_F_I2B_PVK					 137
487 #define PEM_F_I2B_PVK_BIO				 138
488 #define PEM_F_LOAD_IV					 101
489 #define PEM_F_PEM_ASN1_READ				 102
490 #define PEM_F_PEM_ASN1_READ_BIO				 103
491 #define PEM_F_PEM_ASN1_WRITE				 104
492 #define PEM_F_PEM_ASN1_WRITE_BIO			 105
493 #define PEM_F_PEM_DEF_CALLBACK				 100
494 #define PEM_F_PEM_DO_HEADER				 106
495 #define PEM_F_PEM_F_PEM_WRITE_PKCS8PRIVATEKEY		 118
496 #define PEM_F_PEM_GET_EVP_CIPHER_INFO			 107
497 #define PEM_F_PEM_PK8PKEY				 119
498 #define PEM_F_PEM_READ					 108
499 #define PEM_F_PEM_READ_BIO				 109
500 #define PEM_F_PEM_READ_BIO_PARAMETERS			 140
501 #define PEM_F_PEM_READ_BIO_PRIVATEKEY			 123
502 #define PEM_F_PEM_READ_PRIVATEKEY			 124
503 #define PEM_F_PEM_SEALFINAL				 110
504 #define PEM_F_PEM_SEALINIT				 111
505 #define PEM_F_PEM_SIGNFINAL				 112
506 #define PEM_F_PEM_WRITE					 113
507 #define PEM_F_PEM_WRITE_BIO				 114
508 #define PEM_F_PEM_WRITE_PRIVATEKEY			 139
509 #define PEM_F_PEM_X509_INFO_READ			 115
510 #define PEM_F_PEM_X509_INFO_READ_BIO			 116
511 #define PEM_F_PEM_X509_INFO_WRITE_BIO			 117
512 
513 /* Reason codes. */
514 #define PEM_R_BAD_BASE64_DECODE				 100
515 #define PEM_R_BAD_DECRYPT				 101
516 #define PEM_R_BAD_END_LINE				 102
517 #define PEM_R_BAD_IV_CHARS				 103
518 #define PEM_R_BAD_MAGIC_NUMBER				 116
519 #define PEM_R_BAD_PASSWORD_READ				 104
520 #define PEM_R_BAD_VERSION_NUMBER			 117
521 #define PEM_R_BIO_WRITE_FAILURE				 118
522 #define PEM_R_CIPHER_IS_NULL				 127
523 #define PEM_R_ERROR_CONVERTING_PRIVATE_KEY		 115
524 #define PEM_R_EXPECTING_PRIVATE_KEY_BLOB		 119
525 #define PEM_R_EXPECTING_PUBLIC_KEY_BLOB			 120
526 #define PEM_R_INCONSISTENT_HEADER			 121
527 #define PEM_R_KEYBLOB_HEADER_PARSE_ERROR		 122
528 #define PEM_R_KEYBLOB_TOO_SHORT				 123
529 #define PEM_R_NOT_DEK_INFO				 105
530 #define PEM_R_NOT_ENCRYPTED				 106
531 #define PEM_R_NOT_PROC_TYPE				 107
532 #define PEM_R_NO_START_LINE				 108
533 #define PEM_R_PROBLEMS_GETTING_PASSWORD			 109
534 #define PEM_R_PUBLIC_KEY_NO_RSA				 110
535 #define PEM_R_PVK_DATA_TOO_SHORT			 124
536 #define PEM_R_PVK_TOO_SHORT				 125
537 #define PEM_R_READ_KEY					 111
538 #define PEM_R_SHORT_HEADER				 112
539 #define PEM_R_UNSUPPORTED_CIPHER			 113
540 #define PEM_R_UNSUPPORTED_ENCRYPTION			 114
541 #define PEM_R_UNSUPPORTED_KEY_COMPONENTS		 126
542 
543 #ifdef  __cplusplus
544 }
545 #endif
546 #endif
547