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gnutls.h
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gnutls.h
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/*
* OpenConnect (SSL + DTLS) VPN client
*
* Copyright © 2008-2015 Intel Corporation.
*
* Author: David Woodhouse <dwmw2@infradead.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1, as published by the Free Software Foundation.
*
* This program 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
* Lesser General Public License for more details.
*/
#ifndef __OPENCONNECT_GNUTLS_H__
#define __OPENCONNECT_GNUTLS_H__
#include <gnutls/gnutls.h>
#include <gnutls/pkcs12.h>
#include <gnutls/abstract.h>
#include "openconnect-internal.h"
int load_tpm1_key(struct openconnect_info *vpninfo, gnutls_datum_t *fdata,
gnutls_privkey_t *pkey, gnutls_datum_t *pkey_sig);
void release_tpm1_ctx(struct openconnect_info *info);
int load_tpm2_key(struct openconnect_info *vpninfo, gnutls_datum_t *fdata,
gnutls_privkey_t *pkey, gnutls_datum_t *pkey_sig);
void release_tpm2_ctx(struct openconnect_info *info);
int install_tpm2_key(struct openconnect_info *vpninfo, gnutls_privkey_t *pkey, gnutls_datum_t *pkey_sig,
unsigned int parent, int emptyauth, gnutls_datum_t *privdata, gnutls_datum_t *pubdata);
/* GnuTLS 3.6.0+ provides this. We have our own for older GnuTLS. There is
* also _gnutls_encode_ber_rs_raw() in some older versions, but there were
* zero-padding bugs in that, and some of the... less diligently maintained
* distributions (like Ubuntu even in 18.04) don't have the fix yet, two
* years later. */
#if GNUTLS_VERSION_NUMBER < 0x030600
#define gnutls_encode_rs_value oc_gnutls_encode_rs_value
int oc_gnutls_encode_rs_value(gnutls_datum_t *sig_value, const gnutls_datum_t *r, const gnutls_datum_t *s);
#endif
char *get_gnutls_cipher(gnutls_session_t session);
#endif /* __OPENCONNECT_GNUTLS_H__ */