pem.h

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/* crypto/pem/pem.h */
/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#ifndef HEADER_PEM_H
#define HEADER_PEM_H

#include <openssl/e_os2.h>
#ifndef OPENSSL_NO_BIO
#include <openssl/bio.h>
#endif
#ifndef OPENSSL_NO_STACK
#include <openssl/stack.h>
#endif
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem2.h>

#ifdef  __cplusplus
extern "C" {
#endif

#define PEM_BUFSIZE     1024

#define PEM_OBJ_UNDEF      0
#define PEM_OBJ_X509    1
#define PEM_OBJ_X509_REQ   2
#define PEM_OBJ_CRL     3
#define PEM_OBJ_SSL_SESSION   4
#define PEM_OBJ_PRIV_KEY   10
#define PEM_OBJ_PRIV_RSA   11
#define PEM_OBJ_PRIV_DSA   12
#define PEM_OBJ_PRIV_DH    13
#define PEM_OBJ_PUB_RSA    14
#define PEM_OBJ_PUB_DSA    15
#define PEM_OBJ_PUB_DH     16
#define PEM_OBJ_DHPARAMS   17
#define PEM_OBJ_DSAPARAMS  18
#define PEM_OBJ_PRIV_RSA_PUBLIC  19
#define PEM_OBJ_PRIV_ECDSA 20
#define PEM_OBJ_PUB_ECDSA  21
#define PEM_OBJ_ECPARAMETERS  22

#define PEM_ERROR    30
#define PEM_DEK_DES_CBC         40
#define PEM_DEK_IDEA_CBC        45
#define PEM_DEK_DES_EDE         50
#define PEM_DEK_DES_ECB         60
#define PEM_DEK_RSA             70
#define PEM_DEK_RSA_MD2         80
#define PEM_DEK_RSA_MD5         90

#define PEM_MD_MD2      NID_md2
#define PEM_MD_MD5      NID_md5
#define PEM_MD_SHA      NID_sha
#define PEM_MD_MD2_RSA     NID_md2WithRSAEncryption
#define PEM_MD_MD5_RSA     NID_md5WithRSAEncryption
#define PEM_MD_SHA_RSA     NID_sha1WithRSAEncryption

#define PEM_STRING_X509_OLD   "X509 CERTIFICATE"
#define PEM_STRING_X509    "CERTIFICATE"
#define PEM_STRING_X509_PAIR  "CERTIFICATE PAIR"
#define PEM_STRING_X509_TRUSTED  "TRUSTED CERTIFICATE"
#define PEM_STRING_X509_REQ_OLD  "NEW CERTIFICATE REQUEST"
#define PEM_STRING_X509_REQ   "CERTIFICATE REQUEST"
#define PEM_STRING_X509_CRL   "X509 CRL"
#define PEM_STRING_EVP_PKEY   "ANY PRIVATE KEY"
#define PEM_STRING_PUBLIC  "PUBLIC KEY"
#define PEM_STRING_RSA     "RSA PRIVATE KEY"
#define PEM_STRING_RSA_PUBLIC "RSA PUBLIC KEY"
#define PEM_STRING_DSA     "DSA PRIVATE KEY"
#define PEM_STRING_DSA_PUBLIC "DSA PUBLIC KEY"
#define PEM_STRING_PKCS7   "PKCS7"
#define PEM_STRING_PKCS8   "ENCRYPTED PRIVATE KEY"
#define PEM_STRING_PKCS8INF   "PRIVATE KEY"
#define PEM_STRING_DHPARAMS   "DH PARAMETERS"
#define PEM_STRING_SSL_SESSION   "SSL SESSION PARAMETERS"
#define PEM_STRING_DSAPARAMS  "DSA PARAMETERS"
#define PEM_STRING_ECDSA_PUBLIC "ECDSA PUBLIC KEY"
#define PEM_STRING_ECPARAMETERS "EC PARAMETERS"
#define PEM_STRING_ECPRIVATEKEY  "EC PRIVATE KEY"

  /* Note that this structure is initialised by PEM_SealInit and cleaned up
     by PEM_SealFinal (at least for now) */
typedef struct PEM_Encode_Seal_st
   {
   EVP_ENCODE_CTX encode;
   EVP_MD_CTX md;
   EVP_CIPHER_CTX cipher;
   } PEM_ENCODE_SEAL_CTX;

/* enc_type is one off */
#define PEM_TYPE_ENCRYPTED      10
#define PEM_TYPE_MIC_ONLY       20
#define PEM_TYPE_MIC_CLEAR      30
#define PEM_TYPE_CLEAR     40

typedef struct pem_recip_st
   {
   char *name;
   X509_NAME *dn;

   int cipher;
   int key_enc;
   /* char iv[8]; unused and wrong size */
   } PEM_USER;

typedef struct pem_ctx_st
   {
   int type;      /* what type of object */

   struct   {
      int version;
      int mode;
      } proc_type;

   char *domain;

   struct   {
      int cipher;
   /* unused, and wrong size
      unsigned char iv[8]; */
      } DEK_info;

   PEM_USER *originator;

   int num_recipient;
   PEM_USER **recipient;

#ifndef OPENSSL_NO_STACK
   STACK *x509_chain;   /* certificate chain */
#else
   char *x509_chain; /* certificate chain */
#endif
   EVP_MD *md;    /* signature type */

   int md_enc;    /* is the md encrypted or not? */
   int md_len;    /* length of md_data */
   char *md_data;    /* message digest, could be pkey encrypted */

   EVP_CIPHER *dec;  /* date encryption cipher */
   int key_len;      /* key length */
   unsigned char *key;  /* key */
   /* unused, and wrong size
      unsigned char iv[8]; */


   int  data_enc;    /* is the data encrypted */
   int data_len;
   unsigned char *data;
   } PEM_CTX;

/* These macros make the PEM_read/PEM_write functions easier to maintain and
 * write. Now they are all implemented with either:
 * IMPLEMENT_PEM_rw(...) or IMPLEMENT_PEM_rw_cb(...)
 */

#ifdef OPENSSL_NO_FP_API

#define IMPLEMENT_PEM_read_fp(name, type, str, asn1) 
#define IMPLEMENT_PEM_write_fp(name, type, str, asn1) 
#define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) 

#else

#define IMPLEMENT_PEM_read_fp(name, type, str, asn1) \
type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u)\
{ \
return(((type *(*)(D2I_OF(type),char *,FILE *,type **,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_read))(d2i_##asn1, str,fp,x,cb,u)); \
}

#define IMPLEMENT_PEM_write_fp(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, type *x) \
{ \
return(((int (*)(I2D_OF(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
}

#define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, const type *x) \
{ \
return(((int (*)(I2D_OF_const(type),const char *,FILE *, const type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,NULL,NULL,0,NULL,NULL)); \
}

#define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
        unsigned char *kstr, int klen, pem_password_cb *cb, \
        void *u) \
   { \
   return(((int (*)(I2D_OF(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u)); \
   }

#define IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1) \
int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
        unsigned char *kstr, int klen, pem_password_cb *cb, \
        void *u) \
   { \
   return(((int (*)(I2D_OF_const(type),const char *,FILE *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write))(i2d_##asn1,str,fp,x,enc,kstr,klen,cb,u)); \
   }

#endif

#define IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u)\
{ \
return(((type *(*)(D2I_OF(type),const char *,BIO *,type **,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_read_bio))(d2i_##asn1, str,bp,x,cb,u)); \
}

#define IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, type *x) \
{ \
return(((int (*)(I2D_OF(type),const char *,BIO *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
}

#define IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, const type *x) \
{ \
return(((int (*)(I2D_OF_const(type),const char *,BIO *,const type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,NULL,NULL,0,NULL,NULL)); \
}

#define IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
        unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
   { \
   return(((int (*)(I2D_OF(type),const char *,BIO *,type *,const EVP_CIPHER *,unsigned char *,int,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u)); \
   }

#define IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
        unsigned char *kstr, int klen, pem_password_cb *cb, void *u) \
   { \
   return(((int (*)(I2D_OF_const(type),const char *,BIO *,type *,const EVP_CIPHER *,unsigned char *,int,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d_##asn1,str,bp,x,enc,kstr,klen,cb,u)); \
   }

#define IMPLEMENT_PEM_write(name, type, str, asn1) \
   IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
   IMPLEMENT_PEM_write_fp(name, type, str, asn1)

#define IMPLEMENT_PEM_write_const(name, type, str, asn1) \
   IMPLEMENT_PEM_write_bio_const(name, type, str, asn1) \
   IMPLEMENT_PEM_write_fp_const(name, type, str, asn1)

#define IMPLEMENT_PEM_write_cb(name, type, str, asn1) \
   IMPLEMENT_PEM_write_cb_bio(name, type, str, asn1) \
   IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1)

#define IMPLEMENT_PEM_write_cb_const(name, type, str, asn1) \
   IMPLEMENT_PEM_write_cb_bio_const(name, type, str, asn1) \
   IMPLEMENT_PEM_write_cb_fp_const(name, type, str, asn1)

#define IMPLEMENT_PEM_read(name, type, str, asn1) \
   IMPLEMENT_PEM_read_bio(name, type, str, asn1) \
   IMPLEMENT_PEM_read_fp(name, type, str, asn1)

#define IMPLEMENT_PEM_rw(name, type, str, asn1) \
   IMPLEMENT_PEM_read(name, type, str, asn1) \
   IMPLEMENT_PEM_write(name, type, str, asn1)

#define IMPLEMENT_PEM_rw_const(name, type, str, asn1) \
   IMPLEMENT_PEM_read(name, type, str, asn1) \
   IMPLEMENT_PEM_write_const(name, type, str, asn1)

#define IMPLEMENT_PEM_rw_cb(name, type, str, asn1) \
   IMPLEMENT_PEM_read(name, type, str, asn1) \
   IMPLEMENT_PEM_write_cb(name, type, str, asn1)

/* These are the same except they are for the declarations */

#if defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_NO_FP_API)

#define DECLARE_PEM_read_fp(name, type) 
#define DECLARE_PEM_write_fp(name, type) 
#define DECLARE_PEM_write_cb_fp(name, type) 

#else

#define DECLARE_PEM_read_fp(name, type) \
   type *PEM_read_##name(FILE *fp, type **x, pem_password_cb *cb, void *u);

#define DECLARE_PEM_write_fp(name, type) \
   int PEM_write_##name(FILE *fp, type *x);

#define DECLARE_PEM_write_fp_const(name, type) \
   int PEM_write_##name(FILE *fp, const type *x);

#define DECLARE_PEM_write_cb_fp(name, type) \
   int PEM_write_##name(FILE *fp, type *x, const EVP_CIPHER *enc, \
        unsigned char *kstr, int klen, pem_password_cb *cb, void *u);

#endif

#ifndef OPENSSL_NO_BIO
#define DECLARE_PEM_read_bio(name, type) \
   type *PEM_read_bio_##name(BIO *bp, type **x, pem_password_cb *cb, void *u);

#define DECLARE_PEM_write_bio(name, type) \
   int PEM_write_bio_##name(BIO *bp, type *x);

#define DECLARE_PEM_write_bio_const(name, type) \
   int PEM_write_bio_##name(BIO *bp, const type *x);

#define DECLARE_PEM_write_cb_bio(name, type) \
   int PEM_write_bio_##name(BIO *bp, type *x, const EVP_CIPHER *enc, \
        unsigned char *kstr, int klen, pem_password_cb *cb, void *u);

#else

#define DECLARE_PEM_read_bio(name, type) 
#define DECLARE_PEM_write_bio(name, type) 
#define DECLARE_PEM_write_cb_bio(name, type) 

#endif

#define DECLARE_PEM_write(name, type) \
   DECLARE_PEM_write_bio(name, type) \
   DECLARE_PEM_write_fp(name, type)

#define DECLARE_PEM_write_const(name, type) \
   DECLARE_PEM_write_bio_const(name, type) \
   DECLARE_PEM_write_fp_const(name, type)

#define DECLARE_PEM_write_cb(name, type) \
   DECLARE_PEM_write_cb_bio(name, type) \
   DECLARE_PEM_write_cb_fp(name, type)

#define DECLARE_PEM_read(name, type) \
   DECLARE_PEM_read_bio(name, type) \
   DECLARE_PEM_read_fp(name, type)

#define DECLARE_PEM_rw(name, type) \
   DECLARE_PEM_read(name, type) \
   DECLARE_PEM_write(name, type)

#define DECLARE_PEM_rw_const(name, type) \
   DECLARE_PEM_read(name, type) \
   DECLARE_PEM_write_const(name, type)

#define DECLARE_PEM_rw_cb(name, type) \
   DECLARE_PEM_read(name, type) \
   DECLARE_PEM_write_cb(name, type)

#ifdef SSLEAY_MACROS

#define PEM_write_SSL_SESSION(fp,x) \
      PEM_ASN1_write((int (*)())i2d_SSL_SESSION, \
         PEM_STRING_SSL_SESSION,fp, (char *)x, NULL,NULL,0,NULL,NULL)
#define PEM_write_X509(fp,x) \
      PEM_ASN1_write((int (*)())i2d_X509,PEM_STRING_X509,fp, \
         (char *)x, NULL,NULL,0,NULL,NULL)
#define PEM_write_X509_REQ(fp,x) PEM_ASN1_write( \
      (int (*)())i2d_X509_REQ,PEM_STRING_X509_REQ,fp,(char *)x, \
         NULL,NULL,0,NULL,NULL)
#define PEM_write_X509_CRL(fp,x) \
      PEM_ASN1_write((int (*)())i2d_X509_CRL,PEM_STRING_X509_CRL, \
         fp,(char *)x, NULL,NULL,0,NULL,NULL)
#define  PEM_write_RSAPrivateKey(fp,x,enc,kstr,klen,cb,u) \
      PEM_ASN1_write((int (*)())i2d_RSAPrivateKey,PEM_STRING_RSA,fp,\
         (char *)x,enc,kstr,klen,cb,u)
#define  PEM_write_RSAPublicKey(fp,x) \
      PEM_ASN1_write((int (*)())i2d_RSAPublicKey,\
         PEM_STRING_RSA_PUBLIC,fp,(char *)x,NULL,NULL,0,NULL,NULL)
#define  PEM_write_DSAPrivateKey(fp,x,enc,kstr,klen,cb,u) \
      PEM_ASN1_write((int (*)())i2d_DSAPrivateKey,PEM_STRING_DSA,fp,\
         (char *)x,enc,kstr,klen,cb,u)
#define  PEM_write_PrivateKey(bp,x,enc,kstr,klen,cb,u) \
      PEM_ASN1_write((int (*)())i2d_PrivateKey,\
      (((x)->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA),\
         bp,(char *)x,enc,kstr,klen,cb,u)
#define PEM_write_PKCS7(fp,x) \
      PEM_ASN1_write((int (*)())i2d_PKCS7,PEM_STRING_PKCS7,fp, \
         (char *)x, NULL,NULL,0,NULL,NULL)
#define PEM_write_DHparams(fp,x) \
      PEM_ASN1_write((int (*)())i2d_DHparams,PEM_STRING_DHPARAMS,fp,\
         (char *)x,NULL,NULL,0,NULL,NULL)

#define PEM_write_NETSCAPE_CERT_SEQUENCE(fp,x) \
                PEM_ASN1_write((int (*)())i2d_NETSCAPE_CERT_SEQUENCE, \
         PEM_STRING_X509,fp, \
                        (char *)x, NULL,NULL,0,NULL,NULL)

#define  PEM_read_SSL_SESSION(fp,x,cb,u) (SSL_SESSION *)PEM_ASN1_read( \
   (char *(*)())d2i_SSL_SESSION,PEM_STRING_SSL_SESSION,fp,(char **)x,cb,u)
#define  PEM_read_X509(fp,x,cb,u) (X509 *)PEM_ASN1_read( \
   (char *(*)())d2i_X509,PEM_STRING_X509,fp,(char **)x,cb,u)
#define  PEM_read_X509_REQ(fp,x,cb,u) (X509_REQ *)PEM_ASN1_read( \
   (char *(*)())d2i_X509_REQ,PEM_STRING_X509_REQ,fp,(char **)x,cb,u)
#define  PEM_read_X509_CRL(fp,x,cb,u) (X509_CRL *)PEM_ASN1_read( \
   (char *(*)())d2i_X509_CRL,PEM_STRING_X509_CRL,fp,(char **)x,cb,u)
#define  PEM_read_RSAPrivateKey(fp,x,cb,u) (RSA *)PEM_ASN1_read( \
   (char *(*)())d2i_RSAPrivateKey,PEM_STRING_RSA,fp,(char **)x,cb,u)
#define  PEM_read_RSAPublicKey(fp,x,cb,u) (RSA *)PEM_ASN1_read( \
   (char *(*)())d2i_RSAPublicKey,PEM_STRING_RSA_PUBLIC,fp,(char **)x,cb,u)
#define  PEM_read_DSAPrivateKey(fp,x,cb,u) (DSA *)PEM_ASN1_read( \
   (char *(*)())d2i_DSAPrivateKey,PEM_STRING_DSA,fp,(char **)x,cb,u)
#define  PEM_read_PrivateKey(fp,x,cb,u) (EVP_PKEY *)PEM_ASN1_read( \
   (char *(*)())d2i_PrivateKey,PEM_STRING_EVP_PKEY,fp,(char **)x,cb,u)
#define  PEM_read_PKCS7(fp,x,cb,u) (PKCS7 *)PEM_ASN1_read( \
   (char *(*)())d2i_PKCS7,PEM_STRING_PKCS7,fp,(char **)x,cb,u)
#define  PEM_read_DHparams(fp,x,cb,u) (DH *)PEM_ASN1_read( \
   (char *(*)())d2i_DHparams,PEM_STRING_DHPARAMS,fp,(char **)x,cb,u)

#define PEM_read_NETSCAPE_CERT_SEQUENCE(fp,x,cb,u) \
      (NETSCAPE_CERT_SEQUENCE *)PEM_ASN1_read( \
        (char *(*)())d2i_NETSCAPE_CERT_SEQUENCE,PEM_STRING_X509,fp,\
                     (char **)x,cb,u)

#define PEM_write_bio_X509(bp,x) \
      PEM_ASN1_write_bio((int (*)())i2d_X509,PEM_STRING_X509,bp, \
         (char *)x, NULL,NULL,0,NULL,NULL)
#define PEM_write_bio_X509_REQ(bp,x) PEM_ASN1_write_bio( \
      (int (*)())i2d_X509_REQ,PEM_STRING_X509_REQ,bp,(char *)x, \
         NULL,NULL,0,NULL,NULL)
#define PEM_write_bio_X509_CRL(bp,x) \
      PEM_ASN1_write_bio((int (*)())i2d_X509_CRL,PEM_STRING_X509_CRL,\
         bp,(char *)x, NULL,NULL,0,NULL,NULL)
#define  PEM_write_bio_RSAPrivateKey(bp,x,enc,kstr,klen,cb,u) \
      PEM_ASN1_write_bio((int (*)())i2d_RSAPrivateKey,PEM_STRING_RSA,\
         bp,(char *)x,enc,kstr,klen,cb,u)
#define  PEM_write_bio_RSAPublicKey(bp,x) \
      PEM_ASN1_write_bio((int (*)())i2d_RSAPublicKey, \
         PEM_STRING_RSA_PUBLIC,\
         bp,(char *)x,NULL,NULL,0,NULL,NULL)
#define  PEM_write_bio_DSAPrivateKey(bp,x,enc,kstr,klen,cb,u) \
      PEM_ASN1_write_bio((int (*)())i2d_DSAPrivateKey,PEM_STRING_DSA,\
         bp,(char *)x,enc,kstr,klen,cb,u)
#define  PEM_write_bio_PrivateKey(bp,x,enc,kstr,klen,cb,u) \
      PEM_ASN1_write_bio((int (*)())i2d_PrivateKey,\
      (((x)->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA),\
         bp,(char *)x,enc,kstr,klen,cb,u)
#define PEM_write_bio_PKCS7(bp,x) \
      PEM_ASN1_write_bio((int (*)())i2d_PKCS7,PEM_STRING_PKCS7,bp, \
         (char *)x, NULL,NULL,0,NULL,NULL)
#define PEM_write_bio_DHparams(bp,x) \
      PEM_ASN1_write_bio((int (*)())i2d_DHparams,PEM_STRING_DHPARAMS,\
         bp,(char *)x,NULL,NULL,0,NULL,NULL)
#define PEM_write_bio_DSAparams(bp,x) \
      PEM_ASN1_write_bio((int (*)())i2d_DSAparams, \
         PEM_STRING_DSAPARAMS,bp,(char *)x,NULL,NULL,0,NULL,NULL)

#define PEM_write_bio_NETSCAPE_CERT_SEQUENCE(bp,x) \
                PEM_ASN1_write_bio((int (*)())i2d_NETSCAPE_CERT_SEQUENCE, \
         PEM_STRING_X509,bp, \
                        (char *)x, NULL,NULL,0,NULL,NULL)

#define  PEM_read_bio_X509(bp,x,cb,u) (X509 *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_X509,PEM_STRING_X509,bp,(char **)x,cb,u)
#define  PEM_read_bio_X509_REQ(bp,x,cb,u) (X509_REQ *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_X509_REQ,PEM_STRING_X509_REQ,bp,(char **)x,cb,u)
#define  PEM_read_bio_X509_CRL(bp,x,cb,u) (X509_CRL *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_X509_CRL,PEM_STRING_X509_CRL,bp,(char **)x,cb,u)
#define  PEM_read_bio_RSAPrivateKey(bp,x,cb,u) (RSA *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_RSAPrivateKey,PEM_STRING_RSA,bp,(char **)x,cb,u)
#define  PEM_read_bio_RSAPublicKey(bp,x,cb,u) (RSA *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_RSAPublicKey,PEM_STRING_RSA_PUBLIC,bp,(char **)x,cb,u)
#define  PEM_read_bio_DSAPrivateKey(bp,x,cb,u) (DSA *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_DSAPrivateKey,PEM_STRING_DSA,bp,(char **)x,cb,u)
#define  PEM_read_bio_PrivateKey(bp,x,cb,u) (EVP_PKEY *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_PrivateKey,PEM_STRING_EVP_PKEY,bp,(char **)x,cb,u)

#define  PEM_read_bio_PKCS7(bp,x,cb,u) (PKCS7 *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_PKCS7,PEM_STRING_PKCS7,bp,(char **)x,cb,u)
#define  PEM_read_bio_DHparams(bp,x,cb,u) (DH *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_DHparams,PEM_STRING_DHPARAMS,bp,(char **)x,cb,u)
#define  PEM_read_bio_DSAparams(bp,x,cb,u) (DSA *)PEM_ASN1_read_bio( \
   (char *(*)())d2i_DSAparams,PEM_STRING_DSAPARAMS,bp,(char **)x,cb,u)

#define PEM_read_bio_NETSCAPE_CERT_SEQUENCE(bp,x,cb,u) \
      (NETSCAPE_CERT_SEQUENCE *)PEM_ASN1_read_bio( \
        (char *(*)())d2i_NETSCAPE_CERT_SEQUENCE,PEM_STRING_X509,bp,\
                     (char **)x,cb,u)

#endif

#if 1
/* "userdata": new with OpenSSL 0.9.4 */
typedef int pem_password_cb(char *buf, int size, int rwflag, void *userdata);
#else
/* OpenSSL 0.9.3, 0.9.3a */
typedef int pem_password_cb(char *buf, int size, int rwflag);
#endif

int   PEM_get_EVP_CIPHER_INFO(char *header, EVP_CIPHER_INFO *cipher);
int   PEM_do_header (EVP_CIPHER_INFO *cipher, unsigned char *data,long *len,
   pem_password_cb *callback,void *u);

#ifndef OPENSSL_NO_BIO
int   PEM_read_bio(BIO *bp, char **name, char **header,
      unsigned char **data,long *len);
int   PEM_write_bio(BIO *bp,const char *name,char *hdr,unsigned char *data,
      long len);
int PEM_bytes_read_bio(unsigned char **pdata, long *plen, char **pnm, const char *name, BIO *bp,
        pem_password_cb *cb, void *u);
void *   PEM_ASN1_read_bio(d2i_of_void *d2i, const char *name, BIO *bp,
           void **x, pem_password_cb *cb, void *u);
#define PEM_ASN1_read_bio_of(type,d2i,name,bp,x,cb,u) \
((type *(*)(D2I_OF(type),const char *,BIO *,type **,pem_password_cb *,void *))openssl_fcast(PEM_ASN1_read_bio))(d2i,name,bp,x,cb,u)
int   PEM_ASN1_write_bio(i2d_of_void *i2d,const char *name,BIO *bp,char *x,
            const EVP_CIPHER *enc,unsigned char *kstr,int klen,
            pem_password_cb *cb, void *u);
#define PEM_ASN1_write_bio_of(type,i2d,name,bp,x,enc,kstr,klen,cb,u) \
   ((int (*)(I2D_OF(type),const char *,BIO *,type *, const EVP_CIPHER *,unsigned char *,int, pem_password_cb *,void *))openssl_fcast(PEM_ASN1_write_bio))(i2d,name,bp,x,enc,kstr,klen,cb,u)

STACK_OF(X509_INFO) *   PEM_X509_INFO_read_bio(BIO *bp, STACK_OF(X509_INFO) *sk, pem_password_cb *cb, void *u);
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);
#endif

#ifndef OPENSSL_SYS_WIN16
int   PEM_read(FILE *fp, char **name, char **header,
      unsigned char **data,long *len);
int   PEM_write(FILE *fp,char *name,char *hdr,unsigned char *data,long len);
void *  PEM_ASN1_read(d2i_of_void *d2i, const char *name, FILE *fp, void **x,
            pem_password_cb *cb, void *u);
int   PEM_ASN1_write(i2d_of_void *i2d,const char *name,FILE *fp,
             char *x,const EVP_CIPHER *enc,unsigned char *kstr,
             int klen,pem_password_cb *callback, void *u);
STACK_OF(X509_INFO) *   PEM_X509_INFO_read(FILE *fp, STACK_OF(X509_INFO) *sk,
   pem_password_cb *cb, void *u);
#endif

int   PEM_SealInit(PEM_ENCODE_SEAL_CTX *ctx, EVP_CIPHER *type,
      EVP_MD *md_type, unsigned char **ek, int *ekl,
      unsigned char *iv, EVP_PKEY **pubk, int npubk);
void  PEM_SealUpdate(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *out, int *outl,
      unsigned char *in, int inl);
int   PEM_SealFinal(PEM_ENCODE_SEAL_CTX *ctx, unsigned char *sig,int *sigl,
      unsigned char *out, int *outl, EVP_PKEY *priv);

void    PEM_SignInit(EVP_MD_CTX *ctx, EVP_MD *type);
void    PEM_SignUpdate(EVP_MD_CTX *ctx,unsigned char *d,unsigned int cnt);
int   PEM_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
      unsigned int *siglen, EVP_PKEY *pkey);

int   PEM_def_callback(char *buf, int num, int w, void *key);
void  PEM_proc_type(char *buf, int type);
void  PEM_dek_info(char *buf, const char *type, int len, char *str);

#ifndef SSLEAY_MACROS

#include <openssl/symhacks.h>

DECLARE_PEM_rw(X509, X509)

DECLARE_PEM_rw(X509_AUX, X509)

DECLARE_PEM_rw(X509_CERT_PAIR, X509_CERT_PAIR)

DECLARE_PEM_rw(X509_REQ, X509_REQ)
DECLARE_PEM_write(X509_REQ_NEW, X509_REQ)

DECLARE_PEM_rw(X509_CRL, X509_CRL)

DECLARE_PEM_rw(PKCS7, PKCS7)

DECLARE_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE)

DECLARE_PEM_rw(PKCS8, X509_SIG)

DECLARE_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)

#ifndef OPENSSL_NO_RSA

DECLARE_PEM_rw_cb(RSAPrivateKey, RSA)

DECLARE_PEM_rw_const(RSAPublicKey, RSA)
DECLARE_PEM_rw(RSA_PUBKEY, RSA)

#endif

#ifndef OPENSSL_NO_DSA

DECLARE_PEM_rw_cb(DSAPrivateKey, DSA)

DECLARE_PEM_rw(DSA_PUBKEY, DSA)

DECLARE_PEM_rw_const(DSAparams, DSA)

#endif

#ifndef OPENSSL_NO_EC
DECLARE_PEM_rw_const(ECPKParameters, EC_GROUP)
DECLARE_PEM_rw_cb(ECPrivateKey, EC_KEY)
DECLARE_PEM_rw(EC_PUBKEY, EC_KEY)
#endif

#ifndef OPENSSL_NO_DH

DECLARE_PEM_rw_const(DHparams, DH)

#endif

DECLARE_PEM_rw_cb(PrivateKey, EVP_PKEY)

DECLARE_PEM_rw(PUBKEY, EVP_PKEY)

int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
              char *kstr, int klen,
              pem_password_cb *cb, void *u);
int PEM_write_bio_PKCS8PrivateKey(BIO *, EVP_PKEY *, const EVP_CIPHER *,
                                  char *, int, pem_password_cb *, void *);
int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
              char *kstr, int klen,
              pem_password_cb *cb, void *u);
int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
              char *kstr, int klen,
              pem_password_cb *cb, void *u);
EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u);

int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
              char *kstr, int klen,
              pem_password_cb *cb, void *u);
int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
              char *kstr, int klen,
              pem_password_cb *cb, void *u);
int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
              char *kstr, int klen,
              pem_password_cb *cb, void *u);

EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u);

int PEM_write_PKCS8PrivateKey(FILE *fp,EVP_PKEY *x,const EVP_CIPHER *enc,
               char *kstr,int klen, pem_password_cb *cd, void *u);

#endif /* SSLEAY_MACROS */


/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_PEM_strings(void);

/* Error codes for the PEM functions. */

/* Function codes. */
#define PEM_F_D2I_PKCS8PRIVATEKEY_BIO         120
#define PEM_F_D2I_PKCS8PRIVATEKEY_FP          121
#define PEM_F_DO_PK8PKEY             126
#define PEM_F_DO_PK8PKEY_FP             125
#define PEM_F_LOAD_IV                101
#define PEM_F_PEM_ASN1_READ             102
#define PEM_F_PEM_ASN1_READ_BIO            103
#define PEM_F_PEM_ASN1_WRITE            104
#define PEM_F_PEM_ASN1_WRITE_BIO        105
#define PEM_F_PEM_DEF_CALLBACK             100
#define PEM_F_PEM_DO_HEADER             106
#define PEM_F_PEM_F_PEM_WRITE_PKCS8PRIVATEKEY       118
#define PEM_F_PEM_GET_EVP_CIPHER_INFO         107
#define PEM_F_PEM_PK8PKEY            119
#define PEM_F_PEM_READ               108
#define PEM_F_PEM_READ_BIO           109
#define PEM_F_PEM_READ_BIO_PRIVATEKEY         123
#define PEM_F_PEM_READ_PRIVATEKEY          124
#define PEM_F_PEM_SEALFINAL             110
#define PEM_F_PEM_SEALINIT           111
#define PEM_F_PEM_SIGNFINAL             112
#define PEM_F_PEM_WRITE              113
#define PEM_F_PEM_WRITE_BIO             114
#define PEM_F_PEM_X509_INFO_READ        115
#define PEM_F_PEM_X509_INFO_READ_BIO          116
#define PEM_F_PEM_X509_INFO_WRITE_BIO         117

/* Reason codes. */
#define PEM_R_BAD_BASE64_DECODE            100
#define PEM_R_BAD_DECRYPT            101
#define PEM_R_BAD_END_LINE           102
#define PEM_R_BAD_IV_CHARS           103
#define PEM_R_BAD_PASSWORD_READ            104
#define PEM_R_ERROR_CONVERTING_PRIVATE_KEY       115
#define PEM_R_NOT_DEK_INFO           105
#define PEM_R_NOT_ENCRYPTED             106
#define PEM_R_NOT_PROC_TYPE             107
#define PEM_R_NO_START_LINE             108
#define PEM_R_PROBLEMS_GETTING_PASSWORD          109
#define PEM_R_PUBLIC_KEY_NO_RSA            110
#define PEM_R_READ_KEY               111
#define PEM_R_SHORT_HEADER           112
#define PEM_R_UNSUPPORTED_CIPHER        113
#define PEM_R_UNSUPPORTED_ENCRYPTION          114

#ifdef  __cplusplus
}
#endif
#endif