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/*
* Copyright (C) 2002,2003 Nikos Mavroyanopoulos
* Copyright (C) 2004 Free Software Foundation
*
* 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_t;
typedef struct DSTRUCT* gnutls_srp_client_credentials_t;
void gnutls_srp_free_client_credentials( gnutls_srp_client_credentials_t sc);
int gnutls_srp_allocate_client_credentials( gnutls_srp_client_credentials_t *sc);
int gnutls_srp_set_client_credentials( gnutls_srp_client_credentials_t res, char *username, char* password);
void gnutls_srp_free_server_credentials( gnutls_srp_server_credentials_t sc);
int gnutls_srp_allocate_server_credentials( gnutls_srp_server_credentials_t *sc);
int gnutls_srp_set_server_credentials_file( gnutls_srp_server_credentials_t res,
const char *password_file, const char* password_conf_file);
const char* gnutls_srp_server_get_username( gnutls_session_t state);
int gnutls_srp_verifier( const char* username, const char* password, const gnutls_datum_t *salt,
const gnutls_datum_t* g, const gnutls_datum_t* n,
gnutls_datum_t * res);
/* The static parameters defined in draft-ietf-tls-srp-05
* Those should be used as input to gnutls_srp_verifier().
*/
extern const gnutls_datum_t gnutls_srp_2048_group_prime;
extern const gnutls_datum_t gnutls_srp_2048_group_generator;
extern const gnutls_datum_t gnutls_srp_1536_group_prime;
extern const gnutls_datum_t gnutls_srp_1536_group_generator;
extern const gnutls_datum_t gnutls_srp_1024_group_prime;
extern const gnutls_datum_t gnutls_srp_1024_group_generator;
typedef int gnutls_srp_server_credentials_function(
gnutls_session_t,
const char* username, gnutls_datum_t* salt,
gnutls_datum_t* verifier, gnutls_datum_t* generator,
gnutls_datum_t* prime
);
void gnutls_srp_set_server_credentials_function(
gnutls_srp_server_credentials_t,
gnutls_srp_server_credentials_function *);
typedef int gnutls_srp_client_credentials_function(gnutls_session_t, unsigned int,
char **, char**);
void gnutls_srp_set_client_credentials_function( gnutls_srp_client_credentials_t,
gnutls_srp_client_credentials_function *);
/* Openpgp certificate stuff
*/
typedef int (*gnutls_openpgp_recv_key_func)(gnutls_session_t, const unsigned char *keyfpr,
unsigned int keyfpr_length, gnutls_datum_t *key);
void gnutls_openpgp_set_recv_key_function( gnutls_session_t, gnutls_openpgp_recv_key_func);
int gnutls_certificate_set_openpgp_key_file( gnutls_certificate_credentials_t res,
const char *CERTFILE, const char* KEYFILE);
int gnutls_certificate_set_openpgp_key_mem( gnutls_certificate_credentials_t res,
const gnutls_datum_t* CERT, const gnutls_datum_t* KEY);
int gnutls_certificate_set_openpgp_keyserver(gnutls_certificate_credentials_t res,
const char* keyserver, int port);
int gnutls_certificate_set_openpgp_trustdb(gnutls_certificate_credentials_t res,
const char* trustdb);
int gnutls_certificate_set_openpgp_keyring_mem(
gnutls_certificate_credentials_t c,
const unsigned char *data, size_t dlen );
int gnutls_certificate_set_openpgp_keyring_file( gnutls_certificate_credentials_t 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_t *data, char* result, int* result_size);
int gnutls_srp_base64_encode_alloc( const gnutls_datum_t *data, gnutls_datum_t* result);
int gnutls_srp_base64_decode( const gnutls_datum_t *b64_data, char* result, int* result_size);
int gnutls_srp_base64_decode_alloc( const gnutls_datum_t *b64_data,
gnutls_datum_t* result);
#endif
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