include/openssl/pem.h

   1 /*
   2  * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   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
   8  */
   9
  10 #ifndef OPENSSL_PEM_H
  11 # define OPENSSL_PEM_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_PEM_H
  17 # endif
  18
  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>
  25 # ifndef OPENSSL_NO_STDIO
  26 #  include <stdio.h>
  27 # endif
  28
  29 #ifdef  __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 # define PEM_BUFSIZE             1024
  34
  35 # define PEM_STRING_X509_OLD     "X509 CERTIFICATE"
  36 # define PEM_STRING_X509         "CERTIFICATE"
  37 # define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE"
  38 # define PEM_STRING_X509_REQ_OLD "NEW CERTIFICATE REQUEST"
  39 # define PEM_STRING_X509_REQ     "CERTIFICATE REQUEST"
  40 # define PEM_STRING_X509_CRL     "X509 CRL"
  41 # define PEM_STRING_EVP_PKEY     "ANY PRIVATE KEY"
  42 # define PEM_STRING_PUBLIC       "PUBLIC KEY"
  43 # define PEM_STRING_RSA          "RSA PRIVATE KEY"
  44 # define PEM_STRING_RSA_PUBLIC   "RSA PUBLIC KEY"
  45 # define PEM_STRING_DSA          "DSA PRIVATE KEY"
  46 # define PEM_STRING_DSA_PUBLIC   "DSA PUBLIC KEY"
  47 # define PEM_STRING_PKCS7        "PKCS7"
  48 # define PEM_STRING_PKCS7_SIGNED "PKCS #7 SIGNED DATA"
  49 # define PEM_STRING_PKCS8        "ENCRYPTED PRIVATE KEY"
  50 # define PEM_STRING_PKCS8INF     "PRIVATE KEY"
  51 # define PEM_STRING_DHPARAMS     "DH PARAMETERS"
  52 # define PEM_STRING_DHXPARAMS    "X9.42 DH PARAMETERS"
  53 # define PEM_STRING_SSL_SESSION  "SSL SESSION PARAMETERS"
  54 # define PEM_STRING_DSAPARAMS    "DSA PARAMETERS"
  55 # define PEM_STRING_ECDSA_PUBLIC "ECDSA PUBLIC KEY"
  56 # define PEM_STRING_ECPARAMETERS "EC PARAMETERS"
  57 # define PEM_STRING_ECPRIVATEKEY "EC PRIVATE KEY"
  58 # define PEM_STRING_PARAMETERS   "PARAMETERS"
  59 # define PEM_STRING_CMS          "CMS"
  60 # define PEM_STRING_SM2PARAMETERS "SM2 PARAMETERS"
  61
  62 # define PEM_TYPE_ENCRYPTED      10
  63 # define PEM_TYPE_MIC_ONLY       20
  64 # define PEM_TYPE_MIC_CLEAR      30
  65 # define PEM_TYPE_CLEAR          40
  66
  67 /*
  68  * These macros make the PEM_read/PEM_write functions easier to maintain and
  69  * write. Now they are all implemented with either: IMPLEMENT_PEM_rw(...) or
  70  * IMPLEMENT_PEM_rw_cb(...)
  71  */
  72
  73 # define PEM_read_cb_fnsig(name, type, INTYPE, readname)                \
  74     type *PEM_##readname##_##name(INTYPE *out, type **x,                \
  75                                  pem_password_cb *cb, void *u)
  76 # define PEM_read_cb_ex_fnsig(name, type, INTYPE, readname)             \
  77     type *PEM_##readname##_##name##_ex(INTYPE *out, type **x,           \
  78                                        pem_password_cb *cb, void *u,    \
  79                                        OSSL_LIB_CTX *libctx,            \
  80                                        const char *propq)
  81
  82 # define PEM_write_fnsig(name, type, OUTTYPE, writename)                \
  83     int PEM_##writename##_##name(OUTTYPE *out, const type *x)
  84 # define PEM_write_cb_fnsig(name, type, OUTTYPE, writename)             \
  85     int PEM_##writename##_##name(OUTTYPE *out, const type *x,           \
  86                                  const EVP_CIPHER *enc,                 \
  87                                  const unsigned char *kstr, int klen,   \
  88                                  pem_password_cb *cb, void *u)
  89 # define PEM_write_ex_fnsig(name, type, OUTTYPE, writename)             \
  90     int PEM_##writename##_##name##_ex(OUTTYPE *out, const type *x,      \
  91                                       OSSL_LIB_CTX *libctx,             \
  92                                       const char *propq)
  93 # define PEM_write_cb_ex_fnsig(name, type, OUTTYPE, writename)          \
  94     int PEM_##writename##_##name##_ex(OUTTYPE *out, const type *x,      \
  95                                       const EVP_CIPHER *enc,            \
  96                                       const unsigned char *kstr, int klen, \
  97                                       pem_password_cb *cb, void *u,     \
  98                                       OSSL_LIB_CTX *libctx,             \
  99                                       const char *propq)
 100
 101 # ifdef OPENSSL_NO_STDIO
 102
 103 #  define IMPLEMENT_PEM_read_fp(name, type, str, asn1) /**/
 104 #  define IMPLEMENT_PEM_write_fp(name, type, str, asn1) /**/
 105 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 106 #   define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) /**/
 107 #  endif
 108 #  define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) /**/
 109 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 110 #   define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) /**/
 111 #  endif
 112 # else
 113
 114 #  define IMPLEMENT_PEM_read_fp(name, type, str, asn1)                  \
 115     type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u) \
 116     {                                                                   \
 117         return PEM_ASN1_read((d2i_of_void *)d2i_##asn1, str, fp,        \
 118                              (void **)x, cb, u);                        \
 119     }
 120
 121 #  define IMPLEMENT_PEM_write_fp(name, type, str, asn1)                 \
 122     PEM_write_fnsig(name, type, FILE, write)                            \
 123     {                                                                   \
 124         return PEM_ASN1_write((i2d_of_void *)i2d_##asn1, str, out,      \
 125                               x, NULL, NULL, 0, NULL, NULL);            \
 126     }
 127
 128 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 129 #   define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)  \
 130     IMPLEMENT_PEM_write_fp(name, type, str, asn1)
 131 #  endif
 132
 133 #  define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)              \
 134     PEM_write_cb_fnsig(name, type, FILE, write)                         \
 135     {                                                                   \
 136         return PEM_ASN1_write((i2d_of_void *)i2d_##asn1, str, out,      \
 137                               x, enc, kstr, klen, cb, u);               \
 138     }
 139
 140 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 141 #   define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)       \
 142     IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)
 143 #  endif
 144 # endif
 145
 146 # define IMPLEMENT_PEM_read_bio(name, type, str, asn1)                  \
 147     type *PEM_read_bio_##name(BIO *bp, type **x,                        \
 148                               pem_password_cb *cb, void *u)             \
 149     {                                                                   \
 150         return PEM_ASN1_read_bio((d2i_of_void *)d2i_##asn1, str, bp,    \
 151                                  (void **)x, cb, u);                    \
 152     }
 153
 154 # define IMPLEMENT_PEM_write_bio(name, type, str, asn1)                 \
 155     PEM_write_fnsig(name, type, BIO, write_bio)                         \
 156     {                                                                   \
 157         return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1, str, out,  \
 158                                   x, NULL,NULL,0,NULL,NULL);            \
 159     }
 160
 161 # ifndef OPENSSL_NO_DEPRECATED_3_0
 162 #  define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1)   \
 163     IMPLEMENT_PEM_write_bio(name, type, str, asn1)
 164 # endif
 165
 166 # define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1)              \
 167     PEM_write_cb_fnsig(name, type, BIO, write_bio)                      \
 168     {                                                                   \
 169         return PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1, str, out,  \
 170                                   x, enc, kstr, klen, cb, u);           \
 171     }
 172
 173 # ifndef OPENSSL_NO_DEPRECATED_3_0
 174 #  define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1)  \
 175     IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1)
 176 # endif
 177
 178 # define IMPLEMENT_PEM_write(name, type, str, asn1) \
 179         IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
 180         IMPLEMENT_PEM_write_fp(name, type, str, asn1)
 181
 182 # ifndef OPENSSL_NO_DEPRECATED_3_0
 183 #  define IMPLEMENT_PEM_write_const(name, type, str, asn1) \
 184         IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
 185         IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)
 186 # endif
 187
 188 # define IMPLEMENT_PEM_write_cb(name, type, str, asn1) \
 189         IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
 190         IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)
 191
 192 # ifndef OPENSSL_NO_DEPRECATED_3_0
 193 #  define IMPLEMENT_PEM_write_cb_const(name, type, str, asn1) \
 194         IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
 195         IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)
 196 # endif
 197
 198 # define IMPLEMENT_PEM_read(name, type, str, asn1) \
 199         IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
 200         IMPLEMENT_PEM_read_fp(name, type, str, asn1)
 201
 202 # define IMPLEMENT_PEM_rw(name, type, str, asn1) \
 203         IMPLEMENT_PEM_read(name, type, str, asn1) \
 204         IMPLEMENT_PEM_write(name, type, str, asn1)
 205
 206 # ifndef OPENSSL_NO_DEPRECATED_3_0
 207 #  define IMPLEMENT_PEM_rw_const(name, type, str, asn1) \
 208         IMPLEMENT_PEM_read(name, type, str, asn1) \
 209         IMPLEMENT_PEM_write_const(name, type, str, asn1)
 210 # endif
 211
 212 # define IMPLEMENT_PEM_rw_cb(name, type, str, asn1) \
 213         IMPLEMENT_PEM_read(name, type, str, asn1) \
 214         IMPLEMENT_PEM_write_cb(name, type, str, asn1)
 215
 216 /* These are the same except they are for the declarations */
 217
 218 /*
 219  * The mysterious 'extern' that's passed to some macros is innocuous,
 220  * and is there to quiet pre-C99 compilers that may complain about empty
 221  * arguments in macro calls.
 222  */
 223 # if defined(OPENSSL_NO_STDIO)
 224
 225 #  define DECLARE_PEM_read_fp_attr(attr, name, type) /**/
 226 #  define DECLARE_PEM_read_fp_ex_attr(attr, name, type) /**/
 227 #  define DECLARE_PEM_write_fp_attr(attr, name, type) /**/
 228 #  define DECLARE_PEM_write_fp_ex_attr(attr, name, type) /**/
 229 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 230 #   define DECLARE_PEM_write_fp_const_attr(attr, name, type) /**/
 231 #  endif
 232 #  define DECLARE_PEM_write_cb_fp_attr(attr, name, type) /**/
 233 #  define DECLARE_PEM_write_cb_fp_ex_attr(attr, name, type) /**/
 234
 235 # else
 236
 237 #  define DECLARE_PEM_read_fp_attr(attr, name, type)                        \
 238     attr PEM_read_cb_fnsig(name, type, FILE, read);
 239 #  define DECLARE_PEM_read_fp_ex_attr(attr, name, type)                     \
 240     attr PEM_read_cb_fnsig(name, type, FILE, read);                         \
 241     attr PEM_read_cb_ex_fnsig(name, type, FILE, read);
 242
 243 #  define DECLARE_PEM_write_fp_attr(attr, name, type)                       \
 244     attr PEM_write_fnsig(name, type, FILE, write);
 245 #  define DECLARE_PEM_write_fp_ex_attr(attr, name, type)                    \
 246     attr PEM_write_fnsig(name, type, FILE, write);                          \
 247     attr PEM_write_ex_fnsig(name, type, FILE, write);
 248 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 249 #   define DECLARE_PEM_write_fp_const_attr(attr, name, type)                \
 250     attr PEM_write_fnsig(name, type, FILE, write);
 251 #  endif
 252 #  define DECLARE_PEM_write_cb_fp_attr(attr, name, type)                    \
 253     attr PEM_write_cb_fnsig(name, type, FILE, write);
 254 #  define DECLARE_PEM_write_cb_fp_ex_attr(attr, name, type)                 \
 255     attr PEM_write_cb_fnsig(name, type, FILE, write);                       \
 256     attr PEM_write_cb_ex_fnsig(name, type, FILE, write);
 257
 258 # endif
 259
 260 # define DECLARE_PEM_read_fp(name, type)                                    \
 261     DECLARE_PEM_read_fp_attr(extern, name, type)
 262 # define DECLARE_PEM_write_fp(name, type)                                   \
 263     DECLARE_PEM_write_fp_attr(extern, name, type)
 264 # ifndef OPENSSL_NO_DEPRECATED_3_0
 265 #   define DECLARE_PEM_write_fp_const(name, type)                           \
 266     DECLARE_PEM_write_fp_const_attr(extern, name, type)
 267 # endif
 268 # define DECLARE_PEM_write_cb_fp(name, type)                                \
 269     DECLARE_PEM_write_cb_fp_attr(extern, name, type)
 270
 271 #  define DECLARE_PEM_read_bio_attr(attr, name, type)                       \
 272     attr PEM_read_cb_fnsig(name, type, BIO, read_bio);
 273 #  define DECLARE_PEM_read_bio_ex_attr(attr, name, type)                    \
 274     attr PEM_read_cb_fnsig(name, type, BIO, read_bio);                      \
 275     attr PEM_read_cb_ex_fnsig(name, type, BIO, read_bio);
 276 # define DECLARE_PEM_read_bio(name, type)                                   \
 277     DECLARE_PEM_read_bio_attr(extern, name, type)
 278 # define DECLARE_PEM_read_bio_ex(name, type)                                \
 279     DECLARE_PEM_read_bio_ex_attr(extern, name, type)
 280
 281 # define DECLARE_PEM_write_bio_attr(attr, name, type)                       \
 282     attr PEM_write_fnsig(name, type, BIO, write_bio);
 283 # define DECLARE_PEM_write_bio_ex_attr(attr, name, type)                    \
 284     attr PEM_write_fnsig(name, type, BIO, write_bio);                       \
 285     attr PEM_write_ex_fnsig(name, type, BIO, write_bio);
 286 # define DECLARE_PEM_write_bio(name, type)                                  \
 287     DECLARE_PEM_write_bio_attr(extern, name, type)
 288 # define DECLARE_PEM_write_bio_ex(name, type)                               \
 289     DECLARE_PEM_write_bio_ex_attr(extern, name, type)
 290
 291 # ifndef OPENSSL_NO_DEPRECATED_3_0
 292 #  define DECLARE_PEM_write_bio_const_attr(attr, name, type)                \
 293     attr PEM_write_fnsig(name, type, BIO, write_bio);
 294 #  define DECLARE_PEM_write_bio_const(name, type)      \
 295     DECLARE_PEM_write_bio_const_attr(extern, name, type)
 296 # endif
 297
 298 # define DECLARE_PEM_write_cb_bio_attr(attr, name, type)                    \
 299     attr PEM_write_cb_fnsig(name, type, BIO, write_bio);
 300 # define DECLARE_PEM_write_cb_bio_ex_attr(attr, name, type)                 \
 301     attr PEM_write_cb_fnsig(name, type, BIO, write_bio);                    \
 302     attr PEM_write_cb_ex_fnsig(name, type, BIO, write_bio);
 303 # define DECLARE_PEM_write_cb_bio(name, type)                               \
 304     DECLARE_PEM_write_cb_bio_attr(extern, name, type)
 305 # define DECLARE_PEM_write_cb_ex_bio(name, type)                            \
 306     DECLARE_PEM_write_cb_bio_ex_attr(extern, name, type)
 307
 308 # define DECLARE_PEM_write_attr(attr, name, type)                           \
 309     DECLARE_PEM_write_bio_attr(attr, name, type)                            \
 310     DECLARE_PEM_write_fp_attr(attr, name, type)
 311 # define DECLARE_PEM_write_ex_attr(attr, name, type)                        \
 312     DECLARE_PEM_write_bio_ex_attr(attr, name, type)                         \
 313     DECLARE_PEM_write_fp_ex_attr(attr, name, type)
 314 # define DECLARE_PEM_write(name, type) \
 315     DECLARE_PEM_write_attr(extern, name, type)
 316 # define DECLARE_PEM_write_ex(name, type) \
 317     DECLARE_PEM_write_ex_attr(extern, name, type)
 318 # ifndef OPENSSL_NO_DEPRECATED_3_0
 319 #  define DECLARE_PEM_write_const_attr(attr, name, type)                    \
 320     DECLARE_PEM_write_bio_const_attr(attr, name, type)                      \
 321     DECLARE_PEM_write_fp_const_attr(attr, name, type)
 322 #  define DECLARE_PEM_write_const(name, type)                               \
 323     DECLARE_PEM_write_const_attr(extern, name, type)
 324 # endif
 325 # define DECLARE_PEM_write_cb_attr(attr, name, type)                        \
 326     DECLARE_PEM_write_cb_bio_attr(attr, name, type)                         \
 327     DECLARE_PEM_write_cb_fp_attr(attr, name, type)
 328 # define DECLARE_PEM_write_cb_ex_attr(attr, name, type)                     \
 329     DECLARE_PEM_write_cb_bio_ex_attr(attr, name, type)                      \
 330     DECLARE_PEM_write_cb_fp_ex_attr(attr, name, type)
 331 # define DECLARE_PEM_write_cb(name, type)                                   \
 332     DECLARE_PEM_write_cb_attr(extern, name, type)
 333 # define DECLARE_PEM_write_cb_ex(name, type)                                \
 334     DECLARE_PEM_write_cb_ex_attr(extern, name, type)
 335 # define DECLARE_PEM_read_attr(attr, name, type)                            \
 336     DECLARE_PEM_read_bio_attr(attr, name, type)                             \
 337     DECLARE_PEM_read_fp_attr(attr, name, type)
 338 # define DECLARE_PEM_read_ex_attr(attr, name, type)                         \
 339     DECLARE_PEM_read_bio_ex_attr(attr, name, type)                          \
 340     DECLARE_PEM_read_fp_ex_attr(attr, name, type)
 341 # define DECLARE_PEM_read(name, type)                                       \
 342     DECLARE_PEM_read_attr(extern, name, type)
 343 # define DECLARE_PEM_read_ex(name, type)                                    \
 344     DECLARE_PEM_read_ex_attr(extern, name, type)
 345 # define DECLARE_PEM_rw_attr(attr, name, type)                              \
 346     DECLARE_PEM_read_attr(attr, name, type)                                 \
 347     DECLARE_PEM_write_attr(attr, name, type)
 348 # define DECLARE_PEM_rw_ex_attr(attr, name, type)                           \
 349     DECLARE_PEM_read_ex_attr(attr, name, type)                              \
 350     DECLARE_PEM_write_ex_attr(attr, name, type)
 351 # define DECLARE_PEM_rw(name, type) \
 352     DECLARE_PEM_rw_attr(extern, name, type)
 353 # define DECLARE_PEM_rw_ex(name, type) \
 354     DECLARE_PEM_rw_ex_attr(extern, name, type)
 355 # ifndef OPENSSL_NO_DEPRECATED_3_0
 356 #  define DECLARE_PEM_rw_const_attr(attr, name, type)                       \
 357     DECLARE_PEM_read_attr(attr, name, type)                                 \
 358     DECLARE_PEM_write_const_attr(attr, name, type)
 359 #  define DECLARE_PEM_rw_const(name, type) \
 360     DECLARE_PEM_rw_const_attr(extern, name, type)
 361 # endif
 362 # define DECLARE_PEM_rw_cb_attr(attr, name, type)                           \
 363     DECLARE_PEM_read_attr(attr, name, type)                                 \
 364     DECLARE_PEM_write_cb_attr(attr, name, type)
 365 # define DECLARE_PEM_rw_cb_ex_attr(attr, name, type)                        \
 366     DECLARE_PEM_read_ex_attr(attr, name, type)                              \
 367     DECLARE_PEM_write_cb_ex_attr(attr, name, type)
 368 # define DECLARE_PEM_rw_cb(name, type) \
 369     DECLARE_PEM_rw_cb_attr(extern, name, type)
 370 # define DECLARE_PEM_rw_cb_ex(name, type) \
 371     DECLARE_PEM_rw_cb_ex_attr(extern, name, type)
 372
 373 int PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher);
 374 int PEM_do_header(EVP_CIPHER_INFO *cipher, unsigned char *data, long *len,
 375                   pem_password_cb *callback, void *u);
 376
 377 int PEM_read_bio(BIO *bp, char **name, char **header,
 378                  unsigned char **data, long *len);
 379 #   define PEM_FLAG_SECURE             0x1
 380 #   define PEM_FLAG_EAY_COMPATIBLE     0x2
 381 #   define PEM_FLAG_ONLY_B64           0x4
 382 int PEM_read_bio_ex(BIO *bp, char **name, char **header,
 383                     unsigned char **data, long *len, unsigned int flags);
 384 int PEM_bytes_read_bio_secmem(unsigned char **pdata, long *plen, char **pnm,
 385                               const char *name, BIO *bp, pem_password_cb *cb,
 386                               void *u);
 387 int PEM_write_bio(BIO *bp, const char *name, const char *hdr,
 388                   const unsigned char *data, long len);
 389 int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm,
 390                        const char *name, BIO *bp, pem_password_cb *cb,
 391                        void *u);
 392 void *PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp, void **x,
 393                         pem_password_cb *cb, void *u);
 394 int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp,
 395                        const void *x, const EVP_CIPHER *enc,
 396                        const unsigned char *kstr, int klen,
 397                        pem_password_cb *cb, void *u);
 398
 399 STACK_OF(X509_INFO) *PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk,
 400                                             pem_password_cb *cb, void *u);
 401 STACK_OF(X509_INFO)
 402 *PEM_X509_INFO_read_bio_ex(BIO *bp, STACK_OF(X509_INFO) *sk,
 403                            pem_password_cb *cb, void *u, OSSL_LIB_CTX *libctx,
 404                            const char *propq);
 405
 406 int PEM_X509_INFO_write_bio(BIO *bp, const X509_INFO *xi, EVP_CIPHER *enc,
 407                             const unsigned char *kstr, int klen,
 408                             pem_password_cb *cd, void *u);
 409
 410 #ifndef OPENSSL_NO_STDIO
 411 int PEM_read(FILE *fp, char **name, char **header,
 412              unsigned char **data, long *len);
 413 int PEM_write(FILE *fp, const char *name, const char *hdr,
 414               const unsigned char *data, long len);
 415 void *PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
 416                     pem_password_cb *cb, void *u);
 417 int PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp,
 418                    const void *x, const EVP_CIPHER *enc,
 419                    const unsigned char *kstr, int klen,
 420                    pem_password_cb *callback, void *u);
 421 STACK_OF(X509_INFO) *PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
 422                                         pem_password_cb *cb, void *u);
 423 STACK_OF(X509_INFO)
 424 *PEM_X509_INFO_read_ex(FILE *fp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb,
 425                        void *u, OSSL_LIB_CTX *libctx, const char *propq);
 426 #endif
 427
 428 int PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type);
 429 int PEM_SignUpdate(EVP_MD_CTX *ctx, const unsigned char *d, unsigned int cnt);
 430 int PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
 431                   unsigned int *siglen, EVP_PKEY *pkey);
 432
 433 /* The default pem_password_cb that's used internally */
 434 int PEM_def_callback(char *buf, int num, int rwflag, void *userdata);
 435 void PEM_proc_type(char *buf, int type);
 436 void PEM_dek_info(char *buf, const char *type, int len, const char *str);
 437
 438 # include <openssl/symhacks.h>
 439
 440 DECLARE_PEM_rw(X509, X509)
 441 DECLARE_PEM_rw(X509_AUX, X509)
 442 DECLARE_PEM_rw(X509_REQ, X509_REQ)
 443 DECLARE_PEM_write(X509_REQ_NEW, X509_REQ)
 444 DECLARE_PEM_rw(X509_CRL, X509_CRL)
 445 DECLARE_PEM_rw(X509_PUBKEY, X509_PUBKEY)
 446 DECLARE_PEM_rw(PKCS7, PKCS7)
 447 DECLARE_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE)
 448 DECLARE_PEM_rw(PKCS8, X509_SIG)
 449 DECLARE_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
 450 # ifndef OPENSSL_NO_DEPRECATED_3_0
 451 DECLARE_PEM_rw_cb_attr(OSSL_DEPRECATEDIN_3_0, RSAPrivateKey, RSA)
 452 DECLARE_PEM_rw_attr(OSSL_DEPRECATEDIN_3_0, RSAPublicKey, RSA)
 453 DECLARE_PEM_rw_attr(OSSL_DEPRECATEDIN_3_0, RSA_PUBKEY, RSA)
 454 # endif
 455 # ifndef OPENSSL_NO_DEPRECATED_3_0
 456 #  ifndef OPENSSL_NO_DSA
 457 DECLARE_PEM_rw_cb_attr(OSSL_DEPRECATEDIN_3_0, DSAPrivateKey, DSA)
 458 DECLARE_PEM_rw_attr(OSSL_DEPRECATEDIN_3_0, DSA_PUBKEY, DSA)
 459 DECLARE_PEM_rw_attr(OSSL_DEPRECATEDIN_3_0, DSAparams, DSA)
 460 #  endif
 461 # endif
 462
 463 # ifndef OPENSSL_NO_DEPRECATED_3_0
 464 #  ifndef OPENSSL_NO_EC
 465 DECLARE_PEM_rw_attr(OSSL_DEPRECATEDIN_3_0, ECPKParameters, EC_GROUP)
 466 DECLARE_PEM_rw_cb_attr(OSSL_DEPRECATEDIN_3_0, ECPrivateKey, EC_KEY)
 467 DECLARE_PEM_rw_attr(OSSL_DEPRECATEDIN_3_0, EC_PUBKEY, EC_KEY)
 468 #  endif
 469 # endif
 470
 471 # ifndef OPENSSL_NO_DH
 472 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 473 DECLARE_PEM_rw_attr(OSSL_DEPRECATEDIN_3_0, DHparams, DH)
 474 DECLARE_PEM_write_attr(OSSL_DEPRECATEDIN_3_0, DHxparams, DH)
 475 #  endif
 476 # endif
 477 DECLARE_PEM_rw_cb_ex(PrivateKey, EVP_PKEY)
 478 DECLARE_PEM_rw_ex(PUBKEY, EVP_PKEY)
 479
 480 int PEM_write_bio_PrivateKey_traditional(BIO *bp, const EVP_PKEY *x,
 481                                          const EVP_CIPHER *enc,
 482                                          const unsigned char *kstr, int klen,
 483                                          pem_password_cb *cb, void *u);
 484
 485 /* Why do these take a signed char *kstr? */
 486 int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, const EVP_PKEY *x, int nid,
 487                                       const char *kstr, int klen,
 488                                       pem_password_cb *cb, void *u);
 489 int PEM_write_bio_PKCS8PrivateKey(BIO *, const EVP_PKEY *, const EVP_CIPHER *,
 490                                   const char *kstr, int klen,
 491                                   pem_password_cb *cb, void *u);
 492 int i2d_PKCS8PrivateKey_bio(BIO *bp, const EVP_PKEY *x, const EVP_CIPHER *enc,
 493                             const char *kstr, int klen,
 494                             pem_password_cb *cb, void *u);
 495 int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, const EVP_PKEY *x, int nid,
 496                                 const char *kstr, int klen,
 497                                 pem_password_cb *cb, void *u);
 498 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
 499                                   void *u);
 500
 501 # ifndef OPENSSL_NO_STDIO
 502 int i2d_PKCS8PrivateKey_fp(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
 503                            const char *kstr, int klen,
 504                            pem_password_cb *cb, void *u);
 505 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, const EVP_PKEY *x, int nid,
 506                                const char *kstr, int klen,
 507                                pem_password_cb *cb, void *u);
 508 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, const EVP_PKEY *x, int nid,
 509                                   const char *kstr, int klen,
 510                                   pem_password_cb *cb, void *u);
 511
 512 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
 513                                  void *u);
 514
 515 int PEM_write_PKCS8PrivateKey(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
 516                               const char *kstr, int klen,
 517                               pem_password_cb *cd, void *u);
 518 # endif
 519 EVP_PKEY *PEM_read_bio_Parameters_ex(BIO *bp, EVP_PKEY **x,
 520                                      OSSL_LIB_CTX *libctx, const char *propq);
 521 EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x);
 522 int PEM_write_bio_Parameters(BIO *bp, const EVP_PKEY *x);
 523
 524 EVP_PKEY *b2i_PrivateKey(const unsigned char **in, long length);
 525 EVP_PKEY *b2i_PublicKey(const unsigned char **in, long length);
 526 EVP_PKEY *b2i_PrivateKey_bio(BIO *in);
 527 EVP_PKEY *b2i_PublicKey_bio(BIO *in);
 528 int i2b_PrivateKey_bio(BIO *out, const EVP_PKEY *pk);
 529 int i2b_PublicKey_bio(BIO *out, const EVP_PKEY *pk);
 530 EVP_PKEY *b2i_PVK_bio(BIO *in, pem_password_cb *cb, void *u);
 531 EVP_PKEY *b2i_PVK_bio_ex(BIO *in, pem_password_cb *cb, void *u,
 532                          OSSL_LIB_CTX *libctx, const char *propq);
 533 int i2b_PVK_bio(BIO *out, const EVP_PKEY *pk, int enclevel,
 534                 pem_password_cb *cb, void *u);
 535 int i2b_PVK_bio_ex(BIO *out, const EVP_PKEY *pk, int enclevel,
 536                    pem_password_cb *cb, void *u,
 537                    OSSL_LIB_CTX *libctx, const char *propq);
 538
 539 # ifdef  __cplusplus
 540 }
 541 # endif
 542 #endif