2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 # define OPENSSL_PEM_H
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
19 # include <openssl/e_os2.h>
20 # include <openssl/bio.h>
21 # include <openssl/safestack.h>
22 # include <openssl/evp.h>
23 # include <openssl/x509.h>
24 # include <openssl/pemerr.h>
30 # define PEM_BUFSIZE 1024
32 # define PEM_STRING_X509_OLD "X509 CERTIFICATE"
33 # define PEM_STRING_X509 "CERTIFICATE"
34 # define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE"
35 # define PEM_STRING_X509_REQ_OLD "NEW CERTIFICATE REQUEST"
36 # define PEM_STRING_X509_REQ "CERTIFICATE REQUEST"
37 # define PEM_STRING_X509_CRL "X509 CRL"
38 # define PEM_STRING_EVP_PKEY "ANY PRIVATE KEY"
39 # define PEM_STRING_PUBLIC "PUBLIC KEY"
40 # define PEM_STRING_RSA "RSA PRIVATE KEY"
41 # define PEM_STRING_RSA_PUBLIC "RSA PUBLIC KEY"
42 # define PEM_STRING_DSA "DSA PRIVATE KEY"
43 # define PEM_STRING_DSA_PUBLIC "DSA PUBLIC KEY"
44 # define PEM_STRING_PKCS7 "PKCS7"
45 # define PEM_STRING_PKCS7_SIGNED "PKCS #7 SIGNED DATA"
46 # define PEM_STRING_PKCS8 "ENCRYPTED PRIVATE KEY"
47 # define PEM_STRING_PKCS8INF "PRIVATE KEY"
48 # define PEM_STRING_DHPARAMS "DH PARAMETERS"
49 # define PEM_STRING_DHXPARAMS "X9.42 DH PARAMETERS"
50 # define PEM_STRING_SSL_SESSION "SSL SESSION PARAMETERS"
51 # define PEM_STRING_DSAPARAMS "DSA PARAMETERS"
52 # define PEM_STRING_ECDSA_PUBLIC "ECDSA PUBLIC KEY"
53 # define PEM_STRING_ECPARAMETERS "EC PARAMETERS"
54 # define PEM_STRING_ECPRIVATEKEY "EC PRIVATE KEY"
55 # define PEM_STRING_PARAMETERS "PARAMETERS"
56 # define PEM_STRING_CMS "CMS"
58 # define PEM_TYPE_ENCRYPTED 10
59 # define PEM_TYPE_MIC_ONLY 20
60 # define PEM_TYPE_MIC_CLEAR 30
61 # define PEM_TYPE_CLEAR 40
64 * These macros make the PEM_read/PEM_write functions easier to maintain and
65 * write. Now they are all implemented with either: IMPLEMENT_PEM_rw(...) or
66 * IMPLEMENT_PEM_rw_cb(...)
69 # ifdef OPENSSL_NO_STDIO
71 # define IMPLEMENT_PEM_read_fp(name, type, str, asn1) /**/
72 # define IMPLEMENT_PEM_write_fp(name, type, str, asn1) /**/
73 # define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) /**/
74 # define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) /**/
75 # define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) /**/
78 # define IMPLEMENT_PEM_read_fp(name, type, str, asn1) \
79 type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u)\
81 return PEM_ASN1_read((d2i_of_void *)d2i_##asn1, str,fp,(void **)x,cb,u); \
84 # define IMPLEMENT_PEM_write_fp(name, type, str, asn1) \
85 int PEM_write_##name(FILE *fp, type *x) \
87 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL); \
90 # define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) \
91 int PEM_write_##name(FILE *fp, const type *x) \
93 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,(void *)x,NULL,NULL,0,NULL,NULL); \
96 # define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) \
97 int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
98 unsigned char *kstr, int klen, pem_password_cb *cb, \
101 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u); \
104 # define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) \
105 int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
106 unsigned char *kstr, int klen, pem_password_cb *cb, \
109 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u); \
114 # define IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
115 type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u)\
117 return PEM_ASN1_read_bio((d2i_of_void *)d2i_##asn1, str,bp,(void **)x,cb,u); \
120 # define IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
121 int PEM_write_bio_##name(BIO *bp, type *x) \
123 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL); \
126 # define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
127 int PEM_write_bio_##name(BIO *bp, const type *x) \
129 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)x,NULL,NULL,0,NULL,NULL); \
132 # define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
133 int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
134 unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
136 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u); \
139 # define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
140 int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
141 unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
143 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)x,enc,kstr,klen,cb,u); \
146 # define IMPLEMENT_PEM_write(name, type, str, asn1) \
147 IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
148 IMPLEMENT_PEM_write_fp(name, type, str, asn1)
150 # define IMPLEMENT_PEM_write_const(name, type, str, asn1) \
151 IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
152 IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)
154 # define IMPLEMENT_PEM_write_cb(name, type, str, asn1) \
155 IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
156 IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)
158 # define IMPLEMENT_PEM_write_cb_const(name, type, str, asn1) \
159 IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
160 IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)
162 # define IMPLEMENT_PEM_read(name, type, str, asn1) \
163 IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
164 IMPLEMENT_PEM_read_fp(name, type, str, asn1)
166 # define IMPLEMENT_PEM_rw(name, type, str, asn1) \
167 IMPLEMENT_PEM_read(name, type, str, asn1) \
168 IMPLEMENT_PEM_write(name, type, str, asn1)
170 # define IMPLEMENT_PEM_rw_const(name, type, str, asn1) \
171 IMPLEMENT_PEM_read(name, type, str, asn1) \
172 IMPLEMENT_PEM_write_const(name, type, str, asn1)
174 # define IMPLEMENT_PEM_rw_cb(name, type, str, asn1) \
175 IMPLEMENT_PEM_read(name, type, str, asn1) \
176 IMPLEMENT_PEM_write_cb(name, type, str, asn1)
178 /* These are the same except they are for the declarations */
180 # if defined(OPENSSL_NO_STDIO)
182 # define DECLARE_PEM_read_fp(name, type) /**/
183 # define DECLARE_PEM_write_fp(name, type) /**/
184 # define DECLARE_PEM_write_fp_const(name, type) /**/
185 # define DECLARE_PEM_write_cb_fp(name, type) /**/
188 # define DECLARE_PEM_read_fp(name, type) \
189 type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u);
191 # define DECLARE_PEM_write_fp(name, type) \
192 int PEM_write_##name(FILE *fp, type *x);
194 # define DECLARE_PEM_write_fp_const(name, type) \
195 int PEM_write_##name(FILE *fp, const type *x);
197 # define DECLARE_PEM_write_cb_fp(name, type) \
198 int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
199 unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
203 # define DECLARE_PEM_read_bio(name, type) \
204 type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u);
206 # define DECLARE_PEM_write_bio(name, type) \
207 int PEM_write_bio_##name(BIO *bp, type *x);
209 # define DECLARE_PEM_write_bio_const(name, type) \
210 int PEM_write_bio_##name(BIO *bp, const type *x);
212 # define DECLARE_PEM_write_cb_bio(name, type) \
213 int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
214 unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
216 # define DECLARE_PEM_write(name, type) \
217 DECLARE_PEM_write_bio(name, type) \
218 DECLARE_PEM_write_fp(name, type)
219 # define DECLARE_PEM_write_const(name, type) \
220 DECLARE_PEM_write_bio_const(name, type) \
221 DECLARE_PEM_write_fp_const(name, type)
222 # define DECLARE_PEM_write_cb(name, type) \
223 DECLARE_PEM_write_cb_bio(name, type) \
224 DECLARE_PEM_write_cb_fp(name, type)
225 # define DECLARE_PEM_read(name, type) \
226 DECLARE_PEM_read_bio(name, type) \
227 DECLARE_PEM_read_fp(name, type)
228 # define DECLARE_PEM_rw(name, type) \
229 DECLARE_PEM_read(name, type) \
230 DECLARE_PEM_write(name, type)
231 # define DECLARE_PEM_rw_const(name, type) \
232 DECLARE_PEM_read(name, type) \
233 DECLARE_PEM_write_const(name, type)
234 # define DECLARE_PEM_rw_cb(name, type) \
235 DECLARE_PEM_read(name, type) \
236 DECLARE_PEM_write_cb(name, type)
237 typedef int pem_password_cb (char *buf, int size, int rwflag, void *userdata);
239 int PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher);
240 int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *len,
241 pem_password_cb *callback, void *u);
243 int PEM_read_bio(BIO *bp, char **name, char **header,
244 unsigned char **data, long *len);
245 # define PEM_FLAG_SECURE 0x1
246 # define PEM_FLAG_EAY_COMPATIBLE 0x2
247 # define PEM_FLAG_ONLY_B64 0x4
248 int PEM_read_bio_ex(BIO *bp, char **name, char **header,
249 unsigned char **data, long *len, unsigned int flags);
250 int PEM_bytes_read_bio_secmem(unsigned char **pdata, long *plen, char **pnm,
251 const char *name, BIO *bp, pem_password_cb *cb,
253 int PEM_write_bio(BIO *bp, const char *name, const char *hdr,
254 const unsigned char *data, long len);
255 int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm,
256 const char *name, BIO *bp, pem_password_cb *cb,
258 void *PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp, void **x,
259 pem_password_cb *cb, void *u);
260 int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp, void *x,
261 const EVP_CIPHER *enc, unsigned char *kstr, int klen,
262 pem_password_cb *cb, void *u);
264 STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk,
265 pem_password_cb *cb, void *u);
266 int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
267 unsigned char *kstr, int klen,
268 pem_password_cb *cd, void *u);
270 #ifndef OPENSSL_NO_STDIO
271 int PEM_read(FILE *fp, char **name, char **header,
272 unsigned char **data, long *len);
273 int PEM_write(FILE *fp, const char *name, const char *hdr,
274 const unsigned char *data, long len);
275 void *PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
276 pem_password_cb *cb, void *u);
277 int PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp,
278 void *x, const EVP_CIPHER *enc, unsigned char *kstr,
279 int klen, pem_password_cb *callback, void *u);
280 STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
281 pem_password_cb *cb, void *u);
284 int PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type);
285 int PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *d, unsigned int cnt);
286 int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
287 unsigned int *siglen, EVP_PKEY *pkey);
289 /* The default pem_password_cb that's used internally */
290 int PEM_def_callback(char *buf, int num, int rwflag, void *userdata);
291 void PEM_proc_type(char *buf, int type);
292 void PEM_dek_info(char *buf, const char *type, int len, char *str);
294 # include <openssl/symhacks.h>
296 DECLARE_PEM_rw(X509, X509)
297 DECLARE_PEM_rw(X509_AUX, X509)
298 DECLARE_PEM_rw(X509_REQ, X509_REQ)
299 DECLARE_PEM_write(X509_REQ_NEW, X509_REQ)
300 DECLARE_PEM_rw(X509_CRL, X509_CRL)
301 DECLARE_PEM_rw(PKCS7, PKCS7)
302 DECLARE_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE)
303 DECLARE_PEM_rw(PKCS8, X509_SIG)
304 DECLARE_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
305 # ifndef OPENSSL_NO_RSA
306 DECLARE_PEM_rw_cb(RSAPrivateKey, RSA)
307 DECLARE_PEM_rw_const(RSAPublicKey, RSA)
308 DECLARE_PEM_rw(RSA_PUBKEY, RSA)
310 # ifndef OPENSSL_NO_DSA
311 DECLARE_PEM_rw_cb(DSAPrivateKey, DSA)
312 DECLARE_PEM_rw(DSA_PUBKEY, DSA)
313 DECLARE_PEM_rw_const(DSAparams, DSA)
315 # ifndef OPENSSL_NO_EC
316 DECLARE_PEM_rw_const(ECPKParameters, EC_GROUP)
317 DECLARE_PEM_rw_cb(ECPrivateKey, EC_KEY)
318 DECLARE_PEM_rw(EC_PUBKEY, EC_KEY)
320 # ifndef OPENSSL_NO_DH
321 DECLARE_PEM_rw_const(DHparams, DH)
322 DECLARE_PEM_write_const(DHxparams, DH)
324 DECLARE_PEM_rw_cb(PrivateKey, EVP_PKEY)
325 DECLARE_PEM_rw(PUBKEY, EVP_PKEY)
327 int PEM_write_bio_PrivateKey_traditional(BIO *bp, EVP_PKEY *x,
328 const EVP_CIPHER *enc,
329 unsigned char *kstr, int klen,
330 pem_password_cb *cb, void *u);
332 int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, const EVP_PKEY *x, int nid,
333 char *kstr, int klen,
334 pem_password_cb *cb, void *u);
335 int PEM_write_bio_PKCS8PrivateKey(BIO *, const EVP_PKEY *, const EVP_CIPHER *,
336 char *, int, pem_password_cb *, void *);
337 int i2d_PKCS8PrivateKey_bio(BIO *bp, const EVP_PKEY *x, const EVP_CIPHER *enc,
338 char *kstr, int klen,
339 pem_password_cb *cb, void *u);
340 int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, const EVP_PKEY *x, int nid,
341 char *kstr, int klen,
342 pem_password_cb *cb, void *u);
343 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
346 # ifndef OPENSSL_NO_STDIO
347 int i2d_PKCS8PrivateKey_fp(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
348 char *kstr, int klen,
349 pem_password_cb *cb, void *u);
350 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, const EVP_PKEY *x, int nid,
351 char *kstr, int klen,
352 pem_password_cb *cb, void *u);
353 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, const EVP_PKEY *x, int nid,
354 char *kstr, int klen,
355 pem_password_cb *cb, void *u);
357 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
360 int PEM_write_PKCS8PrivateKey(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
361 char *kstr, int klen, pem_password_cb *cd,
364 EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x);
365 int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x);
367 # ifndef OPENSSL_NO_DSA
368 EVP_PKEY *b2i_PrivateKey(const unsigned char **in, long length);
369 EVP_PKEY *b2i_PublicKey(const unsigned char **in, long length);
370 EVP_PKEY *b2i_PrivateKey_bio(BIO *in);
371 EVP_PKEY *b2i_PublicKey_bio(BIO *in);
372 int i2b_PrivateKey_bio(BIO *out, EVP_PKEY *pk);
373 int i2b_PublicKey_bio(BIO *out, EVP_PKEY *pk);
374 # ifndef OPENSSL_NO_RC4
375 EVP_PKEY *b2i_PVK_bio(BIO *in, pem_password_cb *cb, void *u);
376 int i2b_PVK_bio(BIO *out, EVP_PKEY *pk, int enclevel,
377 pem_password_cb *cb, void *u);