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1 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
2  * All rights reserved.
3  *
4  * This package is an SSL implementation written
5  * by Eric Young (eay@cryptsoft.com).
6  * The implementation was written so as to conform with Netscapes SSL.
7  *
8  * This library is free for commercial and non-commercial use as long as
9  * the following conditions are aheared to.  The following conditions
10  * apply to all code found in this distribution, be it the RC4, RSA,
11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
12  * included with this distribution is covered by the same copyright terms
13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14  *
15  * Copyright remains Eric Young's, and as such any Copyright notices in
16  * the code are not to be removed.
17  * If this package is used in a product, Eric Young should be given attribution
18  * as the author of the parts of the library used.
19  * This can be in the form of a textual message at program startup or
20  * in documentation (online or textual) provided with the package.
21  *
22  * Redistribution and use in source and binary forms, with or without
23  * modification, are permitted provided that the following conditions
24  * are met:
25  * 1. Redistributions of source code must retain the copyright
26  *    notice, this list of conditions and the following disclaimer.
27  * 2. Redistributions in binary form must reproduce the above copyright
28  *    notice, this list of conditions and the following disclaimer in the
29  *    documentation and/or other materials provided with the distribution.
30  * 3. All advertising materials mentioning features or use of this software
31  *    must display the following acknowledgement:
32  *    "This product includes cryptographic software written by
33  *     Eric Young (eay@cryptsoft.com)"
34  *    The word 'cryptographic' can be left out if the rouines from the library
35  *    being used are not cryptographic related :-).
36  * 4. If you include any Windows specific code (or a derivative thereof) from
37  *    the apps directory (application code) you must include an acknowledgement:
38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39  *
40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50  * SUCH DAMAGE.
51  *
52  * The licence and distribution terms for any publically available version or
53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
54  * copied and put under another distribution licence
55  * [including the GNU Public Licence.] */
56 
57 #ifndef OPENSSL_HEADER_PEM_H
58 #define OPENSSL_HEADER_PEM_H
59 
60 #include <openssl/base64.h>
61 #include <openssl/bio.h>
62 #include <openssl/cipher.h>
63 #include <openssl/digest.h>
64 #include <openssl/evp.h>
65 #include <openssl/stack.h>
66 #include <openssl/pkcs7.h>
67 #include <openssl/x509.h>
68 
69 /* For compatibility with open-iscsi, which assumes that it can get
70  * |OPENSSL_malloc| from pem.h or err.h */
71 #include <openssl/crypto.h>
72 
73 #ifdef  __cplusplus
74 extern "C" {
75 #endif
76 
77 
78 #define PEM_BUFSIZE		1024
79 
80 #define PEM_STRING_X509_OLD	"X509 CERTIFICATE"
81 #define PEM_STRING_X509		"CERTIFICATE"
82 #define PEM_STRING_X509_PAIR	"CERTIFICATE PAIR"
83 #define PEM_STRING_X509_TRUSTED	"TRUSTED CERTIFICATE"
84 #define PEM_STRING_X509_REQ_OLD	"NEW CERTIFICATE REQUEST"
85 #define PEM_STRING_X509_REQ	"CERTIFICATE REQUEST"
86 #define PEM_STRING_X509_CRL	"X509 CRL"
87 #define PEM_STRING_EVP_PKEY	"ANY PRIVATE KEY"
88 #define PEM_STRING_PUBLIC	"PUBLIC KEY"
89 #define PEM_STRING_RSA		"RSA PRIVATE KEY"
90 #define PEM_STRING_RSA_PUBLIC	"RSA PUBLIC KEY"
91 #define PEM_STRING_DSA		"DSA PRIVATE KEY"
92 #define PEM_STRING_DSA_PUBLIC	"DSA PUBLIC KEY"
93 #define PEM_STRING_EC "EC PRIVATE KEY"
94 #define PEM_STRING_PKCS7	"PKCS7"
95 #define PEM_STRING_PKCS7_SIGNED	"PKCS #7 SIGNED DATA"
96 #define PEM_STRING_PKCS8	"ENCRYPTED PRIVATE KEY"
97 #define PEM_STRING_PKCS8INF	"PRIVATE KEY"
98 #define PEM_STRING_DHPARAMS	"DH PARAMETERS"
99 #define PEM_STRING_SSL_SESSION	"SSL SESSION PARAMETERS"
100 #define PEM_STRING_DSAPARAMS	"DSA PARAMETERS"
101 #define PEM_STRING_ECDSA_PUBLIC "ECDSA PUBLIC KEY"
102 #define PEM_STRING_ECPRIVATEKEY	"EC PRIVATE KEY"
103 #define PEM_STRING_CMS		"CMS"
104 
105 /* enc_type is one off */
106 #define PEM_TYPE_ENCRYPTED      10
107 #define PEM_TYPE_MIC_ONLY       20
108 #define PEM_TYPE_MIC_CLEAR      30
109 #define PEM_TYPE_CLEAR		40
110 
111 /* These macros make the PEM_read/PEM_write functions easier to maintain and
112  * write. Now they are all implemented with either:
113  * IMPLEMENT_PEM_rw(...) or IMPLEMENT_PEM_rw_cb(...)
114  */
115 
116 #ifdef OPENSSL_NO_FP_API
117 
118 #define IMPLEMENT_PEM_read_fp(name, type, str, asn1) /**/
119 #define IMPLEMENT_PEM_write_fp(name, type, str, asn1) /**/
120 #define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) /**/
121 #define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) /**/
122 #define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) /**/
123 
124 #else
125 
126 #define IMPLEMENT_PEM_read_fp(name, type, str, asn1)                         \
127   static void *pem_read_##name##_d2i(void **x, const unsigned char **inp,    \
128                                      long len) {                             \
129     return d2i_##asn1((type **)x, inp, len);                                 \
130   }                                                                          \
131   OPENSSL_EXPORT type *PEM_read_##name(FILE *fp, type **x,                   \
132                                        pem_password_cb *cb, void *u) {       \
133     return (type *)PEM_ASN1_read(pem_read_##name##_d2i, str, fp, (void **)x, \
134                                  cb, u);                                     \
135   }
136 
137 #define IMPLEMENT_PEM_write_fp(name, type, str, asn1)                        \
138   static int pem_write_##name##_i2d(const void *x, unsigned char **outp) {   \
139     return i2d_##asn1((type *)x, outp);                                      \
140   }                                                                          \
141   OPENSSL_EXPORT int PEM_write_##name(FILE *fp, type *x) {                   \
142     return PEM_ASN1_write(pem_write_##name##_i2d, str, fp, x, NULL, NULL, 0, \
143                           NULL, NULL);                                       \
144   }
145 
146 #define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)                 \
147   static int pem_write_##name##_i2d(const void *x, unsigned char **outp) {  \
148     return i2d_##asn1((const type *)x, outp);                               \
149   }                                                                         \
150   OPENSSL_EXPORT int PEM_write_##name(FILE *fp, const type *x) {            \
151     return PEM_ASN1_write(pem_write_##name##_i2d, str, fp, (void *)x, NULL, \
152                           NULL, 0, NULL, NULL);                             \
153   }
154 
155 #define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)                       \
156   static int pem_write_##name##_i2d(const void *x, unsigned char **outp) {     \
157     return i2d_##asn1((type *)x, outp);                                        \
158   }                                                                            \
159   OPENSSL_EXPORT int PEM_write_##name(                                         \
160       FILE *fp, type *x, const EVP_CIPHER *enc, unsigned char *kstr, int klen, \
161       pem_password_cb *cb, void *u) {                                          \
162     return PEM_ASN1_write(pem_write_##name##_i2d, str, fp, x, enc, kstr, klen, \
163                           cb, u);                                              \
164   }
165 
166 #define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)                 \
167   static int pem_write_##name##_i2d(const void *x, unsigned char **outp) {     \
168     return i2d_##asn1((const type *)x, outp);                                  \
169   }                                                                            \
170   OPENSSL_EXPORT int PEM_write_##name(                                         \
171       FILE *fp, type *x, const EVP_CIPHER *enc, unsigned char *kstr, int klen, \
172       pem_password_cb *cb, void *u) {                                          \
173     return PEM_ASN1_write(pem_write_##name##_i2d, str, fp, x, enc, kstr, klen, \
174                           cb, u);                                              \
175   }
176 
177 #endif
178 
179 #define IMPLEMENT_PEM_read_bio(name, type, str, asn1)                         \
180   static void *pem_read_bio_##name##_d2i(void **x, const unsigned char **inp, \
181                                          long len) {                          \
182     return d2i_##asn1((type **)x, inp, len);                                  \
183   }                                                                           \
184   OPENSSL_EXPORT type *PEM_read_bio_##name(BIO *bp, type **x,                 \
185                                            pem_password_cb *cb, void *u) {    \
186     return (type *)PEM_ASN1_read_bio(pem_read_bio_##name##_d2i, str, bp,      \
187                                      (void **)x, cb, u);                      \
188   }
189 
190 #define IMPLEMENT_PEM_write_bio(name, type, str, asn1)                         \
191   static int pem_write_bio_##name##_i2d(const void *x, unsigned char **outp) { \
192     return i2d_##asn1((type *)x, outp);                                        \
193   }                                                                            \
194   OPENSSL_EXPORT int PEM_write_bio_##name(BIO *bp, type *x) {                  \
195     return PEM_ASN1_write_bio(pem_write_bio_##name##_i2d, str, bp, x, NULL,    \
196                               NULL, 0, NULL, NULL);                            \
197   }
198 
199 #define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1)                   \
200   static int pem_write_bio_##name##_i2d(const void *x, unsigned char **outp) { \
201     return i2d_##asn1((const type *)x, outp);                                  \
202   }                                                                            \
203   OPENSSL_EXPORT int PEM_write_bio_##name(BIO *bp, const type *x) {            \
204     return PEM_ASN1_write_bio(pem_write_bio_##name##_i2d, str, bp, (void *)x,  \
205                               NULL, NULL, 0, NULL, NULL);                      \
206   }
207 
208 #define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1)                      \
209   static int pem_write_bio_##name##_i2d(const void *x, unsigned char **outp) { \
210     return i2d_##asn1((type *)x, outp);                                        \
211   }                                                                            \
212   OPENSSL_EXPORT int PEM_write_bio_##name(                                     \
213       BIO *bp, type *x, const EVP_CIPHER *enc, unsigned char *kstr, int klen,  \
214       pem_password_cb *cb, void *u) {                                          \
215     return PEM_ASN1_write_bio(pem_write_bio_##name##_i2d, str, bp, x, enc,     \
216                               kstr, klen, cb, u);                              \
217   }
218 
219 #define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1)                \
220   static int pem_write_bio_##name##_i2d(const void *x, unsigned char **outp) { \
221     return i2d_##asn1((const type *)x, outp);                                  \
222   }                                                                            \
223   OPENSSL_EXPORT int PEM_write_bio_##name(                                     \
224       BIO *bp, type *x, const EVP_CIPHER *enc, unsigned char *kstr, int klen,  \
225       pem_password_cb *cb, void *u) {                                          \
226     return PEM_ASN1_write_bio(pem_write_bio_##name##_i2d, str, bp, (void *)x,  \
227                               enc, kstr, klen, cb, u);                         \
228   }
229 
230 #define IMPLEMENT_PEM_write(name, type, str, asn1) \
231 	IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
232 	IMPLEMENT_PEM_write_fp(name, type, str, asn1)
233 
234 #define IMPLEMENT_PEM_write_const(name, type, str, asn1) \
235 	IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
236 	IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)
237 
238 #define IMPLEMENT_PEM_write_cb(name, type, str, asn1) \
239 	IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
240 	IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)
241 
242 #define IMPLEMENT_PEM_write_cb_const(name, type, str, asn1) \
243 	IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
244 	IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)
245 
246 #define IMPLEMENT_PEM_read(name, type, str, asn1) \
247 	IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
248 	IMPLEMENT_PEM_read_fp(name, type, str, asn1)
249 
250 #define IMPLEMENT_PEM_rw(name, type, str, asn1) \
251 	IMPLEMENT_PEM_read(name, type, str, asn1) \
252 	IMPLEMENT_PEM_write(name, type, str, asn1)
253 
254 #define IMPLEMENT_PEM_rw_const(name, type, str, asn1) \
255 	IMPLEMENT_PEM_read(name, type, str, asn1) \
256 	IMPLEMENT_PEM_write_const(name, type, str, asn1)
257 
258 #define IMPLEMENT_PEM_rw_cb(name, type, str, asn1) \
259 	IMPLEMENT_PEM_read(name, type, str, asn1) \
260 	IMPLEMENT_PEM_write_cb(name, type, str, asn1)
261 
262 /* These are the same except they are for the declarations */
263 
264 #if defined(OPENSSL_NO_FP_API)
265 
266 #define DECLARE_PEM_read_fp(name, type) /**/
267 #define DECLARE_PEM_write_fp(name, type) /**/
268 #define DECLARE_PEM_write_cb_fp(name, type) /**/
269 
270 #else
271 
272 #define DECLARE_PEM_read_fp(name, type) \
273 	OPENSSL_EXPORT type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u);
274 
275 #define DECLARE_PEM_write_fp(name, type) \
276 	OPENSSL_EXPORT int PEM_write_##name(FILE *fp, type *x);
277 
278 #define DECLARE_PEM_write_fp_const(name, type) \
279 	OPENSSL_EXPORT int PEM_write_##name(FILE *fp, const type *x);
280 
281 #define DECLARE_PEM_write_cb_fp(name, type) \
282 	OPENSSL_EXPORT int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
283 	     unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
284 
285 #endif
286 
287 #define DECLARE_PEM_read_bio(name, type) \
288 	OPENSSL_EXPORT type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u);
289 
290 #define DECLARE_PEM_write_bio(name, type) \
291 	OPENSSL_EXPORT int PEM_write_bio_##name(BIO *bp, type *x);
292 
293 #define DECLARE_PEM_write_bio_const(name, type) \
294 	OPENSSL_EXPORT int PEM_write_bio_##name(BIO *bp, const type *x);
295 
296 #define DECLARE_PEM_write_cb_bio(name, type) \
297 	OPENSSL_EXPORT int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
298 	     unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
299 
300 
301 #define DECLARE_PEM_write(name, type) \
302 	DECLARE_PEM_write_bio(name, type) \
303 	DECLARE_PEM_write_fp(name, type)
304 
305 #define DECLARE_PEM_write_const(name, type) \
306 	DECLARE_PEM_write_bio_const(name, type) \
307 	DECLARE_PEM_write_fp_const(name, type)
308 
309 #define DECLARE_PEM_write_cb(name, type) \
310 	DECLARE_PEM_write_cb_bio(name, type) \
311 	DECLARE_PEM_write_cb_fp(name, type)
312 
313 #define DECLARE_PEM_read(name, type) \
314 	DECLARE_PEM_read_bio(name, type) \
315 	DECLARE_PEM_read_fp(name, type)
316 
317 #define DECLARE_PEM_rw(name, type) \
318 	DECLARE_PEM_read(name, type) \
319 	DECLARE_PEM_write(name, type)
320 
321 #define DECLARE_PEM_rw_const(name, type) \
322 	DECLARE_PEM_read(name, type) \
323 	DECLARE_PEM_write_const(name, type)
324 
325 #define DECLARE_PEM_rw_cb(name, type) \
326 	DECLARE_PEM_read(name, type) \
327 	DECLARE_PEM_write_cb(name, type)
328 
329 /* "userdata": new with OpenSSL 0.9.4 */
330 typedef int pem_password_cb(char *buf, int size, int rwflag, void *userdata);
331 
332 OPENSSL_EXPORT int	PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher);
333 OPENSSL_EXPORT int	PEM_do_header (EVP_CIPHER_INFO *cipher, unsigned char *data,long *len, pem_password_cb *callback,void *u);
334 
335 OPENSSL_EXPORT int	PEM_read_bio(BIO *bp, char **name, char **header, unsigned char **data,long *len);
336 OPENSSL_EXPORT int	PEM_write_bio(BIO *bp,const char *name, const char *hdr, const unsigned char *data, long len);
337 OPENSSL_EXPORT int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char *name, BIO *bp, pem_password_cb *cb, void *u);
338 OPENSSL_EXPORT void *	PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp, void **x, pem_password_cb *cb, void *u);
339 OPENSSL_EXPORT int	PEM_ASN1_write_bio(i2d_of_void *i2d,const char *name,BIO *bp, void *x, const EVP_CIPHER *enc,unsigned char *kstr,int klen, pem_password_cb *cb, void *u);
340 
341 OPENSSL_EXPORT STACK_OF(X509_INFO) *	PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u);
342 OPENSSL_EXPORT int	PEM_X509_INFO_write_bio(BIO *bp,X509_INFO *xi, EVP_CIPHER *enc, unsigned char *kstr, int klen, pem_password_cb *cd, void *u);
343 
344 OPENSSL_EXPORT int	PEM_read(FILE *fp, char **name, char **header, unsigned char **data,long *len);
345 OPENSSL_EXPORT int	PEM_write(FILE *fp, const char *name, const char *hdr, const unsigned char *data, long len);
346 OPENSSL_EXPORT void *  PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x, pem_password_cb *cb, void *u);
347 OPENSSL_EXPORT int	PEM_ASN1_write(i2d_of_void *i2d,const char *name,FILE *fp, void *x,const EVP_CIPHER *enc,unsigned char *kstr, int klen,pem_password_cb *callback, void *u);
348 OPENSSL_EXPORT STACK_OF(X509_INFO) *	PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u);
349 
350 /* PEM_def_callback treats |userdata| as a string and copies it into |buf|,
351  * assuming its |size| is sufficient. Returns the length of the string, or 0
352  * if there is not enough room. If either |buf| or |userdata| is NULL, 0 is
353  * returned. Note that this is different from OpenSSL, which prompts for a
354  * password. */
355 OPENSSL_EXPORT int	PEM_def_callback(char *buf, int size, int rwflag, void *userdata);
356 OPENSSL_EXPORT void	PEM_proc_type(char *buf, int type);
357 OPENSSL_EXPORT void	PEM_dek_info(char *buf, const char *type, int len, char *str);
358 
359 
360 DECLARE_PEM_rw(X509, X509)
361 
362 DECLARE_PEM_rw(X509_AUX, X509)
363 
364 DECLARE_PEM_rw(X509_REQ, X509_REQ)
365 DECLARE_PEM_write(X509_REQ_NEW, X509_REQ)
366 
367 DECLARE_PEM_rw(X509_CRL, X509_CRL)
368 
369 DECLARE_PEM_rw(PKCS7, PKCS7)
370 DECLARE_PEM_rw(PKCS8, X509_SIG)
371 
372 DECLARE_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
373 
374 DECLARE_PEM_rw_cb(RSAPrivateKey, RSA)
375 
376 DECLARE_PEM_rw_const(RSAPublicKey, RSA)
377 DECLARE_PEM_rw(RSA_PUBKEY, RSA)
378 
379 #ifndef OPENSSL_NO_DSA
380 
381 DECLARE_PEM_rw_cb(DSAPrivateKey, DSA)
382 
383 DECLARE_PEM_rw(DSA_PUBKEY, DSA)
384 
385 DECLARE_PEM_rw_const(DSAparams, DSA)
386 
387 #endif
388 
389 DECLARE_PEM_rw_cb(ECPrivateKey, EC_KEY)
390 DECLARE_PEM_rw(EC_PUBKEY, EC_KEY)
391 
392 
393 DECLARE_PEM_rw_const(DHparams, DH)
394 
395 
396 DECLARE_PEM_rw_cb(PrivateKey, EVP_PKEY)
397 
398 DECLARE_PEM_rw(PUBKEY, EVP_PKEY)
399 
400 OPENSSL_EXPORT int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid, char *kstr, int klen, pem_password_cb *cb, void *u);
401 OPENSSL_EXPORT int PEM_write_bio_PKCS8PrivateKey(BIO *, EVP_PKEY *, const EVP_CIPHER *, char *, int, pem_password_cb *, void *);
402 OPENSSL_EXPORT int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, char *kstr, int klen, pem_password_cb *cb, void *u);
403 OPENSSL_EXPORT int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid, char *kstr, int klen, pem_password_cb *cb, void *u);
404 OPENSSL_EXPORT EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u);
405 
406 OPENSSL_EXPORT int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, char *kstr, int klen, pem_password_cb *cb, void *u);
407 OPENSSL_EXPORT int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid, char *kstr, int klen, pem_password_cb *cb, void *u);
408 OPENSSL_EXPORT int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid, char *kstr, int klen, pem_password_cb *cb, void *u);
409 
410 OPENSSL_EXPORT EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u);
411 
412 OPENSSL_EXPORT int PEM_write_PKCS8PrivateKey(FILE *fp,EVP_PKEY *x,const EVP_CIPHER *enc, char *kstr,int klen, pem_password_cb *cd, void *u);
413 
414 
415 #ifdef  __cplusplus
416 }
417 #endif
418 
419 #define PEM_R_BAD_BASE64_DECODE 100
420 #define PEM_R_BAD_DECRYPT 101
421 #define PEM_R_BAD_END_LINE 102
422 #define PEM_R_BAD_IV_CHARS 103
423 #define PEM_R_BAD_PASSWORD_READ 104
424 #define PEM_R_CIPHER_IS_NULL 105
425 #define PEM_R_ERROR_CONVERTING_PRIVATE_KEY 106
426 #define PEM_R_NOT_DEK_INFO 107
427 #define PEM_R_NOT_ENCRYPTED 108
428 #define PEM_R_NOT_PROC_TYPE 109
429 #define PEM_R_NO_START_LINE 110
430 #define PEM_R_READ_KEY 111
431 #define PEM_R_SHORT_HEADER 112
432 #define PEM_R_UNSUPPORTED_CIPHER 113
433 #define PEM_R_UNSUPPORTED_ENCRYPTION 114
434 
435 #endif  /* OPENSSL_HEADER_PEM_H */
436