text: /* 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
  
  #ifndef NO_BIO
  #include <openssl/bio.h>
  #endif
  #ifndef 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_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_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"
  
  
  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];
  	} 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;
  		unsigned char iv[8];
  		} DEK_info;
  		
  	PEM_USER *originator;
  
  	int num_recipient;
  	PEM_USER **recipient;
  
  #ifndef 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 */
  	unsigned char iv[8];	/* the iv */
  
  	
  	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 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 *)PEM_ASN1_read((char *(*)())d2i_##asn1, str,fp,(char **)x,\
  	cb,u)); \
  } \
  
  #define IMPLEMENT_PEM_write_fp(name, type, str, asn1) \
  int PEM_write_##name(FILE *fp, type *x) \
  { \
  return(PEM_ASN1_write((int (*)())i2d_##asn1,str,fp, (char *)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(PEM_ASN1_write((int (*)())i2d_##asn1,str,fp, \
  		(char *)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 *)PEM_ASN1_read_bio((char *(*)())d2i_##asn1, str,bp,\
  							(char **)x,cb,u)); \
  }
  
  #define IMPLEMENT_PEM_write_bio(name, type, str, asn1) \
  int PEM_write_bio_##name(BIO *bp, type *x) \
  { \
  return(PEM_ASN1_write_bio((int (*)())i2d_##asn1,str,bp, (char *)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(PEM_ASN1_write_bio((int (*)())i2d_##asn1,str,bp, \
  		(char *)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_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_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_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(WIN16) || defined(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_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 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_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_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_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_SSL_SESSION(bp,x) \
  		PEM_ASN1_write_bio((int (*)())i2d_SSL_SESSION, \
  			PEM_STRING_SSL_SESSION,bp, (char *)x, NULL,NULL,0,NULL,NULL)
  #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_SSL_SESSION(bp,x,cb,u) (SSL_SESSION *)PEM_ASN1_read_bio( \
  	(char *(*)())d2i_SSL_SESSION,PEM_STRING_SSL_SESSION,bp,(char **)x,cb,u)
  #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 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);
  char *	PEM_ASN1_read_bio(char *(*d2i)(),const char *name,BIO *bp,char **x,
  		pem_password_cb *cb, void *u);
  int	PEM_ASN1_write_bio(int (*i2d)(),const char *name,BIO *bp,char *x,
  			   const EVP_CIPHER *enc,unsigned char *kstr,int klen,
  			   pem_password_cb *cb, void *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 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);
  char *	PEM_ASN1_read(char *(*d2i)(),const char *name,FILE *fp,char **x,
  	pem_password_cb *cb, void *u);
  int	PEM_ASN1_write(int (*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);
  
  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_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 NO_RSA
  
  DECLARE_PEM_rw_cb(RSAPrivateKey, RSA)
  
  DECLARE_PEM_rw(RSAPublicKey, RSA)
  DECLARE_PEM_rw(RSA_PUBKEY, RSA)
  
  #endif
  
  #ifndef NO_DSA
  
  DECLARE_PEM_rw_cb(DSAPrivateKey, DSA)
  
  DECLARE_PEM_rw(DSA_PUBKEY, DSA)
  
  DECLARE_PEM_rw(DSAparams, DSA)
  
  #endif
  
  #ifndef NO_DH
  
  DECLARE_PEM_rw(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_DEF_CALLBACK				 100
  #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_DO_HEADER				 106
  #define PEM_F_PEM_F_DO_PK8KEY_FP			 122
  #define PEM_F_PEM_F_PEM_WRITE_PKCS8PRIVATEKEY		 118
  #define PEM_F_PEM_GET_EVP_CIPHER_INFO			 107
  #define PEM_F_PEM_READ					 108
  #define PEM_F_PEM_READ_BIO				 109
  #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_WRITE_BIO_PKCS8PRIVATEKEY		 119
  #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
  