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/*
* Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GNUTLS-EXTRA.
*
* 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 3 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 GNUTLS-EXTRA; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, 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>
#ifdef __cplusplus
extern "C"
{
#endif
#define GNUTLS_EXTRA_VERSION GNUTLS_VERSION
/* TLS/IA stuff
*/
typedef enum
{
GNUTLS_IA_APPLICATION_PAYLOAD = 0,
GNUTLS_IA_INTERMEDIATE_PHASE_FINISHED = 1,
GNUTLS_IA_FINAL_PHASE_FINISHED = 2
} gnutls_ia_apptype_t;
/* TLS/IA credential
*/
typedef int (*gnutls_ia_avp_func) (gnutls_session_t session, void *ptr,
const char *last, size_t lastlen,
char **next, size_t * nextlen);
typedef struct gnutls_ia_server_credentials_st
*gnutls_ia_server_credentials_t;
typedef struct gnutls_ia_client_credentials_st
*gnutls_ia_client_credentials_t;
/* Allocate and free TLS/IA credentials. */
extern void
gnutls_ia_free_client_credentials (gnutls_ia_client_credentials_t sc);
extern int
gnutls_ia_allocate_client_credentials (gnutls_ia_client_credentials_t *
sc);
extern void
gnutls_ia_free_server_credentials (gnutls_ia_server_credentials_t sc);
extern int
gnutls_ia_allocate_server_credentials (gnutls_ia_server_credentials_t *
sc);
/* Client TLS/IA credential functions. */
extern void
gnutls_ia_set_client_avp_function (gnutls_ia_client_credentials_t cred,
gnutls_ia_avp_func avp_func);
extern void
gnutls_ia_set_client_avp_ptr (gnutls_ia_client_credentials_t cred,
void *ptr);
extern void *
gnutls_ia_get_client_avp_ptr (gnutls_ia_client_credentials_t cred);
/* Server TLS/IA credential functions. */
extern void
gnutls_ia_set_server_avp_function (gnutls_ia_server_credentials_t cred,
gnutls_ia_avp_func avp_func);
extern void
gnutls_ia_set_server_avp_ptr (gnutls_ia_server_credentials_t cred,
void *ptr);
extern void *
gnutls_ia_get_server_avp_ptr (gnutls_ia_server_credentials_t cred);
/* TLS/IA handshake. */
extern int gnutls_ia_handshake_p (gnutls_session_t session);
extern int gnutls_ia_handshake (gnutls_session_t session);
/* TLS/IA low level interface. */
extern int
gnutls_ia_permute_inner_secret (gnutls_session_t session,
size_t session_keys_size,
const char *session_keys);
extern int gnutls_ia_endphase_send (gnutls_session_t session,
int final_p);
extern int gnutls_ia_verify_endphase (gnutls_session_t session,
const char *checksum);
extern ssize_t gnutls_ia_send (gnutls_session_t session,
const char *data, size_t sizeofdata);
extern ssize_t gnutls_ia_recv (gnutls_session_t session,
char *data, size_t sizeofdata);
/* Utility stuff. */
extern int gnutls_ia_generate_challenge (gnutls_session_t session,
size_t buffer_size,
char *buffer);
extern void gnutls_ia_extract_inner_secret (gnutls_session_t session,
char *buffer);
/* Define whether inner phases are wanted. */
extern void gnutls_ia_enable (gnutls_session_t session,
int allow_skip_on_resume);
int gnutls_global_init_extra (void);
/* Use internal (HMAC-)MD5 code, typically for use if libgcrypt is
in FIPS mode. */
int gnutls_register_md5_handler (void);
/* returns libgnutls-extra version (call it with a NULL argument)
*/
const char *gnutls_extra_check_version (const char *req_version);
#ifdef __cplusplus
}
#endif
#endif
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