/* 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 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>

#include <openssl/e_os2.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"

  /* 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 *)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(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_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_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 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);

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 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);

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);