/*

 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#ifndef HEADER_PEM_H

# define HEADER_PEM_H

# include <openssl/e_os2.h>

# include <openssl/bio.h>

# include <openssl/safestack.h>

# include <openssl/evp.h>

# include <openssl/x509.h>

# include <openssl/pemerr.h>

#ifdef  __cplusplus

extern "C" {

#endif

# define PEM_BUFSIZE             1024

# 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_PKCS7_SIGNED "PKCS #7 SIGNED DATA"

# define PEM_STRING_PKCS8        "ENCRYPTED PRIVATE KEY"

# define PEM_STRING_PKCS8INF     "PRIVATE KEY"

# define PEM_STRING_DHPARAMS     "DH PARAMETERS"

# define PEM_STRING_DHXPARAMS    "X9.42 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"

# define PEM_STRING_PARAMETERS   "PARAMETERS"

# define PEM_STRING_CMS          "CMS"

# define PEM_TYPE_ENCRYPTED      10

# define PEM_TYPE_MIC_ONLY       20

# define PEM_TYPE_MIC_CLEAR      30

# define PEM_TYPE_CLEAR          40

/*

 * 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_STDIO

#  define IMPLEMENT_PEM_read_fp(name, type, str, asn1) /**/

#  define IMPLEMENT_PEM_write_fp(name, type, str, asn1) /**/

#  define IMPLEMENT_PEM_write_fp_const(name, type, str, asn1) /**/

#  define IMPLEMENT_PEM_write_cb_fp(name, type, str, asn1) /**/

#  define IMPLEMENT_PEM_write_cb_fp_const(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 PEM_ASN1_read((d2i_of_void *)d2i_##asn1, str,fp,(void **)x,cb,u); \

}

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

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

{ \

return PEM_ASN1_write((i2d_of_void *)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 PEM_ASN1_write((i2d_of_void *)i2d_##asn1,str,fp,(void *)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((i2d_of_void *)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 PEM_ASN1_write((i2d_of_void *)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 PEM_ASN1_read_bio((d2i_of_void *)d2i_##asn1, str,bp,(void **)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((i2d_of_void *)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 PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)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((i2d_of_void *)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 PEM_ASN1_write_bio((i2d_of_void *)i2d_##asn1,str,bp,(void *)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_NO_STDIO)

#  define DECLARE_PEM_read_fp(name, type) /**/

#  define DECLARE_PEM_write_fp(name, type) /**/

#  define DECLARE_PEM_write_fp_const(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

#  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);

# 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)

typedef int pem_password_cb (char *buf, int size, int rwflag, void *userdata);

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);

int PEM_read_bio(BIO *bp, char **name, char **header,

                 unsigned char **data, long *len);

#   define PEM_FLAG_SECURE             0x1

#   define PEM_FLAG_EAY_COMPATIBLE     0x2

#   define PEM_FLAG_ONLY_B64           0x4

int PEM_read_bio_ex(BIO *bp, char **name, char **header,

                    unsigned char **data, long *len, unsigned int flags);

int PEM_bytes_read_bio_secmem(unsigned char **pdata, long *plen, char **pnm,

                              const char *name, BIO *bp, pem_password_cb *cb,

                              void *u);

int PEM_write_bio(BIO *bp, const char *name, const char *hdr,

                  const 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);

int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp, void *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);

#ifndef OPENSSL_NO_STDIO

int PEM_read(FILE *fp, char **name, char **header,

             unsigned char **data, long *len);

int PEM_write(FILE *fp, const char *name, const char *hdr,

              const 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,

                   void *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_SignInit(EVP_MD_CTX *ctx, EVP_MD *type);

int 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);

/* The default pem_password_cb that's used internally */

int PEM_def_callback(char *buf, int num, int rwflag, void *userdata);

void PEM_proc_type(char *buf, int type);

void PEM_dek_info(char *buf, const char *type, int len, char *str);

# 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 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)

DECLARE_PEM_write_const(DHxparams, DH)

# endif

DECLARE_PEM_rw_cb(PrivateKey, EVP_PKEY)

DECLARE_PEM_rw(PUBKEY, EVP_PKEY)

int PEM_write_bio_PrivateKey_traditional(BIO *bp, EVP_PKEY *x,

                                         const EVP_CIPHER *enc,

                                         unsigned char *kstr, int klen,

                                         pem_password_cb *cb, void *u);

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);

# ifndef OPENSSL_NO_STDIO

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

EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x);

int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x);

# ifndef OPENSSL_NO_DSA

EVP_PKEY *b2i_PrivateKey(const unsigned char **in, long length);

EVP_PKEY *b2i_PublicKey(const unsigned char **in, long length);

EVP_PKEY *b2i_PrivateKey_bio(BIO *in);

EVP_PKEY *b2i_PublicKey_bio(BIO *in);

int i2b_PrivateKey_bio(BIO *out, EVP_PKEY *pk);

int i2b_PublicKey_bio(BIO *out, EVP_PKEY *pk);

#  ifndef OPENSSL_NO_RC4

EVP_PKEY *b2i_PVK_bio(BIO *in, pem_password_cb *cb, void *u);

int i2b_PVK_bio(BIO *out, EVP_PKEY *pk, int enclevel,

                pem_password_cb *cb, void *u);

#  endif

# endif

# ifdef  __cplusplus

}

# endif

#endif