2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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
13 # include <openssl/e_os2.h>
14 # include <openssl/bio.h>
15 # include <openssl/safestack.h>
16 # include <openssl/evp.h>
17 # include <openssl/x509.h>
18 # include <openssl/pemerr.h>
24 # define PEM_BUFSIZE 1024
26 # define PEM_STRING_X509_OLD "X509 CERTIFICATE"
27 # define PEM_STRING_X509 "CERTIFICATE"
28 # define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE"
29 # define PEM_STRING_X509_REQ_OLD "NEW CERTIFICATE REQUEST"
30 # define PEM_STRING_X509_REQ "CERTIFICATE REQUEST"
31 # define PEM_STRING_X509_CRL "X509 CRL"
32 # define PEM_STRING_EVP_PKEY "ANY PRIVATE KEY"
33 # define PEM_STRING_PUBLIC "PUBLIC KEY"
34 # define PEM_STRING_RSA "RSA PRIVATE KEY"
35 # define PEM_STRING_RSA_PUBLIC "RSA PUBLIC KEY"
36 # define PEM_STRING_DSA "DSA PRIVATE KEY"
37 # define PEM_STRING_DSA_PUBLIC "DSA PUBLIC KEY"
38 # define PEM_STRING_PKCS7 "PKCS7"
39 # define PEM_STRING_PKCS7_SIGNED "PKCS #7 SIGNED DATA"
40 # define PEM_STRING_PKCS8 "ENCRYPTED PRIVATE KEY"
41 # define PEM_STRING_PKCS8INF "PRIVATE KEY"
42 # define PEM_STRING_DHPARAMS "DH PARAMETERS"
43 # define PEM_STRING_DHXPARAMS "X9.42 DH PARAMETERS"
44 # define PEM_STRING_SSL_SESSION "SSL SESSION PARAMETERS"
45 # define PEM_STRING_DSAPARAMS "DSA PARAMETERS"
46 # define PEM_STRING_ECDSA_PUBLIC "ECDSA PUBLIC KEY"
47 # define PEM_STRING_ECPARAMETERS "EC PARAMETERS"
48 # define PEM_STRING_ECPRIVATEKEY "EC PRIVATE KEY"
49 # define PEM_STRING_PARAMETERS "PARAMETERS"
50 # define PEM_STRING_CMS "CMS"
52 # define PEM_TYPE_ENCRYPTED 10
53 # define PEM_TYPE_MIC_ONLY 20
54 # define PEM_TYPE_MIC_CLEAR 30
55 # define PEM_TYPE_CLEAR 40
58 * These macros make the PEM_read/PEM_write functions easier to maintain and
59 * write. Now they are all implemented with either: IMPLEMENT_PEM_rw(...) or
60 * IMPLEMENT_PEM_rw_cb(...)
63 # ifdef OPENSSL_NO_STDIO
65 # define IMPLEMENT_PEM_read_fp(name, type, str, asn1) /**/
66 # define IMPLEMENT_PEM_write_fp(name, type, str, asn1) /**/
67 # define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) /**/
68 # define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) /**/
69 # define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) /**/
72 # define IMPLEMENT_PEM_read_fp(name, type, str, asn1) \
73 type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u)\
75 return PEM_ASN1_read((d2i_of_void *)d2i_##asn1, str,fp,(void **)x,cb,u); \
78 # define IMPLEMENT_PEM_write_fp(name, type, str, asn1) \
79 int PEM_write_##name(FILE *fp, type *x) \
81 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL); \
84 # define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) \
85 int PEM_write_##name(FILE *fp, const type *x) \
87 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,(void *)x,NULL,NULL,0,NULL,NULL); \
90 # define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) \
91 int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
92 unsigned char *kstr, int klen, pem_password_cb *cb, \
95 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u); \
98 # define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) \
99 int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
100 unsigned char *kstr, int klen, pem_password_cb *cb, \
103 return PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u); \
108 # define IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
109 type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u)\
111 return PEM_ASN1_read_bio((d2i_of_void *)d2i_##asn1, str,bp,(void **)x,cb,u); \
114 # define IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
115 int PEM_write_bio_##name(BIO *bp, type *x) \
117 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL); \
120 # define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
121 int PEM_write_bio_##name(BIO *bp, const type *x) \
123 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)x,NULL,NULL,0,NULL,NULL); \
126 # define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
127 int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
128 unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
130 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u); \
133 # define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
134 int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
135 unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
137 return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)x,enc,kstr,klen,cb,u); \
140 # define IMPLEMENT_PEM_write(name, type, str, asn1) \
141 IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
142 IMPLEMENT_PEM_write_fp(name, type, str, asn1)
144 # define IMPLEMENT_PEM_write_const(name, type, str, asn1) \
145 IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
146 IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)
148 # define IMPLEMENT_PEM_write_cb(name, type, str, asn1) \
149 IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
150 IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)
152 # define IMPLEMENT_PEM_write_cb_const(name, type, str, asn1) \
153 IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
154 IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)
156 # define IMPLEMENT_PEM_read(name, type, str, asn1) \
157 IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
158 IMPLEMENT_PEM_read_fp(name, type, str, asn1)
160 # define IMPLEMENT_PEM_rw(name, type, str, asn1) \
161 IMPLEMENT_PEM_read(name, type, str, asn1) \
162 IMPLEMENT_PEM_write(name, type, str, asn1)
164 # define IMPLEMENT_PEM_rw_const(name, type, str, asn1) \
165 IMPLEMENT_PEM_read(name, type, str, asn1) \
166 IMPLEMENT_PEM_write_const(name, type, str, asn1)
168 # define IMPLEMENT_PEM_rw_cb(name, type, str, asn1) \
169 IMPLEMENT_PEM_read(name, type, str, asn1) \
170 IMPLEMENT_PEM_write_cb(name, type, str, asn1)
172 /* These are the same except they are for the declarations */
174 # if defined(OPENSSL_NO_STDIO)
176 # define DECLARE_PEM_read_fp(name, type) /**/
177 # define DECLARE_PEM_write_fp(name, type) /**/
178 # define DECLARE_PEM_write_fp_const(name, type) /**/
179 # define DECLARE_PEM_write_cb_fp(name, type) /**/
182 # define DECLARE_PEM_read_fp(name, type) \
183 type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u);
185 # define DECLARE_PEM_write_fp(name, type) \
186 int PEM_write_##name(FILE *fp, type *x);
188 # define DECLARE_PEM_write_fp_const(name, type) \
189 int PEM_write_##name(FILE *fp, const type *x);
191 # define DECLARE_PEM_write_cb_fp(name, type) \
192 int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
193 unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
197 # define DECLARE_PEM_read_bio(name, type) \
198 type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u);
200 # define DECLARE_PEM_write_bio(name, type) \
201 int PEM_write_bio_##name(BIO *bp, type *x);
203 # define DECLARE_PEM_write_bio_const(name, type) \
204 int PEM_write_bio_##name(BIO *bp, const type *x);
206 # define DECLARE_PEM_write_cb_bio(name, type) \
207 int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
208 unsigned char *kstr, int klen, pem_password_cb *cb, void *u);
210 # define DECLARE_PEM_write(name, type) \
211 DECLARE_PEM_write_bio(name, type) \
212 DECLARE_PEM_write_fp(name, type)
213 # define DECLARE_PEM_write_const(name, type) \
214 DECLARE_PEM_write_bio_const(name, type) \
215 DECLARE_PEM_write_fp_const(name, type)
216 # define DECLARE_PEM_write_cb(name, type) \
217 DECLARE_PEM_write_cb_bio(name, type) \
218 DECLARE_PEM_write_cb_fp(name, type)
219 # define DECLARE_PEM_read(name, type) \
220 DECLARE_PEM_read_bio(name, type) \
221 DECLARE_PEM_read_fp(name, type)
222 # define DECLARE_PEM_rw(name, type) \
223 DECLARE_PEM_read(name, type) \
224 DECLARE_PEM_write(name, type)
225 # define DECLARE_PEM_rw_const(name, type) \
226 DECLARE_PEM_read(name, type) \
227 DECLARE_PEM_write_const(name, type)
228 # define DECLARE_PEM_rw_cb(name, type) \
229 DECLARE_PEM_read(name, type) \
230 DECLARE_PEM_write_cb(name, type)
231 typedef int pem_password_cb (char *buf, int size, int rwflag, void *userdata);
233 int PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher);
234 int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *len,
235 pem_password_cb *callback, void *u);
237 int PEM_read_bio(BIO *bp, char **name, char **header,
238 unsigned char **data, long *len);
239 # define PEM_FLAG_SECURE 0x1
240 # define PEM_FLAG_EAY_COMPATIBLE 0x2
241 # define PEM_FLAG_ONLY_B64 0x4
242 int PEM_read_bio_ex(BIO *bp, char **name, char **header,
243 unsigned char **data, long *len, unsigned int flags);
244 int PEM_bytes_read_bio_secmem(unsigned char **pdata, long *plen, char **pnm,
245 const char *name, BIO *bp, pem_password_cb *cb,
247 int PEM_write_bio(BIO *bp, const char *name, const char *hdr,
248 const unsigned char *data, long len);
249 int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm,
250 const char *name, BIO *bp, pem_password_cb *cb,
252 void *PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp, void **x,
253 pem_password_cb *cb, void *u);
254 int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp, void *x,
255 const EVP_CIPHER *enc, unsigned char *kstr, int klen,
256 pem_password_cb *cb, void *u);
258 STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk,
259 pem_password_cb *cb, void *u);
260 int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
261 unsigned char *kstr, int klen,
262 pem_password_cb *cd, void *u);
264 #ifndef OPENSSL_NO_STDIO
265 int PEM_read(FILE *fp, char **name, char **header,
266 unsigned char **data, long *len);
267 int PEM_write(FILE *fp, const char *name, const char *hdr,
268 const unsigned char *data, long len);
269 void *PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
270 pem_password_cb *cb, void *u);
271 int PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp,
272 void *x, const EVP_CIPHER *enc, unsigned char *kstr,
273 int klen, pem_password_cb *callback, void *u);
274 STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
275 pem_password_cb *cb, void *u);
278 int PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type);
279 int PEM_SignUpdate(EVP_MD_CTX *ctx, unsigned char *d, unsigned int cnt);
280 int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
281 unsigned int *siglen, EVP_PKEY *pkey);
283 /* The default pem_password_cb that's used internally */
284 int PEM_def_callback(char *buf, int num, int rwflag, void *userdata);
285 void PEM_proc_type(char *buf, int type);
286 void PEM_dek_info(char *buf, const char *type, int len, char *str);
288 # include <openssl/symhacks.h>
290 DECLARE_PEM_rw(X509, X509)
291 DECLARE_PEM_rw(X509_AUX, X509)
292 DECLARE_PEM_rw(X509_REQ, X509_REQ)
293 DECLARE_PEM_write(X509_REQ_NEW, X509_REQ)
294 DECLARE_PEM_rw(X509_CRL, X509_CRL)
295 DECLARE_PEM_rw(PKCS7, PKCS7)
296 DECLARE_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE)
297 DECLARE_PEM_rw(PKCS8, X509_SIG)
298 DECLARE_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
299 # ifndef OPENSSL_NO_RSA
300 DECLARE_PEM_rw_cb(RSAPrivateKey, RSA)
301 DECLARE_PEM_rw_const(RSAPublicKey, RSA)
302 DECLARE_PEM_rw(RSA_PUBKEY, RSA)
304 # ifndef OPENSSL_NO_DSA
305 DECLARE_PEM_rw_cb(DSAPrivateKey, DSA)
306 DECLARE_PEM_rw(DSA_PUBKEY, DSA)
307 DECLARE_PEM_rw_const(DSAparams, DSA)
309 # ifndef OPENSSL_NO_EC
310 DECLARE_PEM_rw_const(ECPKParameters, EC_GROUP)
311 DECLARE_PEM_rw_cb(ECPrivateKey, EC_KEY)
312 DECLARE_PEM_rw(EC_PUBKEY, EC_KEY)
314 # ifndef OPENSSL_NO_DH
315 DECLARE_PEM_rw_const(DHparams, DH)
316 DECLARE_PEM_write_const(DHxparams, DH)
318 DECLARE_PEM_rw_cb(PrivateKey, EVP_PKEY)
319 DECLARE_PEM_rw(PUBKEY, EVP_PKEY)
321 int PEM_write_bio_PrivateKey_traditional(BIO *bp, EVP_PKEY *x,
322 const EVP_CIPHER *enc,
323 unsigned char *kstr, int klen,
324 pem_password_cb *cb, void *u);
326 int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
327 char *kstr, int klen,
328 pem_password_cb *cb, void *u);
329 int PEM_write_bio_PKCS8PrivateKey(BIO *, EVP_PKEY *, const EVP_CIPHER *,
330 char *, int, pem_password_cb *, void *);
331 int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
332 char *kstr, int klen,
333 pem_password_cb *cb, void *u);
334 int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
335 char *kstr, int klen,
336 pem_password_cb *cb, void *u);
337 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
340 # ifndef OPENSSL_NO_STDIO
341 int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
342 char *kstr, int klen,
343 pem_password_cb *cb, void *u);
344 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
345 char *kstr, int klen,
346 pem_password_cb *cb, void *u);
347 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
348 char *kstr, int klen,
349 pem_password_cb *cb, void *u);
351 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
354 int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
355 char *kstr, int klen, pem_password_cb *cd,
358 EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x);
359 int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x);
361 # ifndef OPENSSL_NO_DSA
362 EVP_PKEY *b2i_PrivateKey(const unsigned char **in, long length);
363 EVP_PKEY *b2i_PublicKey(const unsigned char **in, long length);
364 EVP_PKEY *b2i_PrivateKey_bio(BIO *in);
365 EVP_PKEY *b2i_PublicKey_bio(BIO *in);
366 int i2b_PrivateKey_bio(BIO *out, EVP_PKEY *pk);
367 int i2b_PublicKey_bio(BIO *out, EVP_PKEY *pk);
368 # ifndef OPENSSL_NO_RC4
369 EVP_PKEY *b2i_PVK_bio(BIO *in, pem_password_cb *cb, void *u);
370 int i2b_PVK_bio(BIO *out, EVP_PKEY *pk, int enclevel,
371 pem_password_cb *cb, void *u);