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/*
* Copyright (C) 2000-2016 Free Software Foundation, Inc.
* Copyright (C) 2015-2018 Red Hat, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>
*
*/
#ifndef GNUTLS_LIB_TPM2_H
# define GNUTLS_LIB_TPM2_H
#include "pin.h"
/* Functions used outside tpm2.c */
void _gnutls_tpm2_deinit(void);
int _gnutls_load_tpm2_key(gnutls_privkey_t pkey, const gnutls_datum_t *fdata);
/* Functions only used in tpm2.c */
struct tpm2_info_st;
struct tpm2_info_st *tpm2_info_init(struct pin_info_st *pin);
void tpm2_tcti_deinit(void);
void release_tpm2_ctx(struct tpm2_info_st *info);
int install_tpm2_key(struct tpm2_info_st *info, gnutls_privkey_t pkey,
unsigned int parent, bool emptyauth,
gnutls_datum_t *privdata, gnutls_datum_t *pubdata);
void tpm2_deinit_fn(gnutls_privkey_t key, void *priv);
int tpm2_rsa_sign_hash_fn(gnutls_privkey_t key, gnutls_sign_algorithm_t algo,
void *_info, unsigned int flags,
const gnutls_datum_t *data, gnutls_datum_t *sig);
int tpm2_ec_sign_hash_fn(gnutls_privkey_t key, gnutls_sign_algorithm_t algo,
void *_info, unsigned int flags,
const gnutls_datum_t *data, gnutls_datum_t *sig);
uint16_t tpm2_key_curve(struct tpm2_info_st *info);
int tpm2_rsa_key_bits(struct tpm2_info_st *info);
int tpm2_convert_public(gnutls_privkey_t key,
void *userdata,
gnutls_pk_params_st *params);
#endif /* GNUTLS_LIB_TPM2_H */
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