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/*
* Copyright (C) 2002 Nikos Mavroyanopoulos
*
* GNUTLS-EXTRA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNUTLS-EXTRA is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
/* Note the libgnutls-extra is not a standalone library. It requires
* to link also against libgnutls.
*/
#ifndef GNUTLS_EXTRA_H
# define GNUTLS_EXTRA_H
#include <gnutls/gnutls.h>
#define LIBGNUTLS_EXTRA_VERSION LIBGNUTLS_VERSION
/* SRP */
typedef struct DSTRUCT* gnutls_srp_server_credentials;
typedef struct DSTRUCT* gnutls_srp_client_credentials;
void gnutls_srp_free_client_credentials( gnutls_srp_client_credentials sc);
int gnutls_srp_allocate_client_credentials( gnutls_srp_client_credentials *sc);
int gnutls_srp_set_client_credentials( gnutls_srp_client_credentials res, char *username, char* password);
void gnutls_srp_free_server_credentials( gnutls_srp_server_credentials sc);
int gnutls_srp_allocate_server_credentials( gnutls_srp_server_credentials *sc);
int gnutls_srp_set_server_credentials_file( gnutls_srp_server_credentials res, char *password_file, char* password_conf_file);
const char* gnutls_srp_server_get_username( gnutls_session state);
typedef int gnutls_srp_server_select_function(gnutls_session, char **, char**, int);
void gnutls_srp_server_set_select_function( gnutls_session, gnutls_srp_server_select_function *);
int gnutls_srp_verifier( char* username, char* password, const gnutls_datum *salt,
const gnutls_datum* g, const gnutls_datum* n,
gnutls_datum * res);
typedef int gnutls_srp_server_credentials_function(
gnutls_session,
char* username, gnutls_datum* salt,
gnutls_datum* verifier, gnutls_datum* generator,
gnutls_datum* prime
);
void gnutls_srp_set_server_credentials_function(
gnutls_srp_server_credentials,
gnutls_srp_server_credentials_function *);
/* Openpgp certificate stuff */
int gnutls_openpgp_fingerprint( const gnutls_datum* data, char* result, size_t* result_size);
int gnutls_openpgp_key_to_xml( const gnutls_datum *cert, gnutls_datum *xmlkey,
int ext);
int gnutls_openpgp_extract_key_name( const gnutls_datum *cert,
int idx,
gnutls_openpgp_name *dn );
int gnutls_openpgp_extract_key_pk_algorithm(const gnutls_datum *cert,
int *r_bits);
int gnutls_openpgp_extract_key_version( const gnutls_datum *cert );
time_t gnutls_openpgp_extract_key_creation_time( const gnutls_datum *cert );
time_t gnutls_openpgp_extract_key_expiration_time( const gnutls_datum *cert );
int gnutls_openpgp_extract_key_id( const gnutls_datum *cert, unsigned char keyid[8]);
typedef int (*gnutls_openpgp_recv_key_func)(gnutls_session, const unsigned char *keyfpr,
unsigned int keyfpr_length, gnutls_datum *key);
void gnutls_openpgp_set_recv_key_function( gnutls_session, gnutls_openpgp_recv_key_func);
int gnutls_openpgp_verify_key( const gnutls_datum* keyring,
const gnutls_datum* key_list,
int key_list_length);
int gnutls_certificate_set_openpgp_key_file( gnutls_certificate_credentials res, char *CERTFILE, char* KEYFILE);
int gnutls_certificate_set_openpgp_key_mem( gnutls_certificate_credentials res,
const gnutls_datum* CERT, const gnutls_datum* KEY);
int gnutls_certificate_set_openpgp_keyserver(gnutls_certificate_credentials res,
char* keyserver, int port);
int gnutls_certificate_set_openpgp_trustdb(gnutls_certificate_credentials res,
char* trustdb);
int gnutls_certificate_set_openpgp_keyring_mem(
gnutls_certificate_credentials c,
const unsigned char *data, size_t dlen );
int gnutls_certificate_set_openpgp_keyring_file( gnutls_certificate_credentials res, const char *name);
int gnutls_global_init_extra(void);
/* returns libgnutls-extra version (call it with a NULL argument)
*/
const char* gnutls_extra_check_version( const char*);
/* base64 */
int gnutls_srp_base64_encode( const gnutls_datum *data, char* result, int* result_size);
int gnutls_srp_base64_encode_alloc( const gnutls_datum *data, gnutls_datum* result);
int gnutls_srp_base64_decode( const gnutls_datum *b64_data, char* result, int* result_size);
int gnutls_srp_base64_decode_alloc( const gnutls_datum *b64_data,
gnutls_datum* result);
#endif
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