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/* tpm2.h - Definitions for supporting TPM routines for the IBM TSS
* Copyright (C) 2021 James Bottomley <James.Bottomley@HansenPartnership.com>
*
* This file is part of GnuPG.
*
* GnuPG 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.
*
* GnuPG 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, see <https://www.gnu.org/licenses/>.
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#ifndef _GNUPG_TPM2_H
#define _GNUPG_TPM2_H
#include "../common/util.h"
#ifdef HAVE_INTEL_TSS
#include "intel-tss.h"
#else
#include "ibm-tss.h"
#endif
int tpm2_start (TSS_CONTEXT **tssc);
void tpm2_end (TSS_CONTEXT *tssc);
void tpm2_flush_handle (TSS_CONTEXT *tssc, TPM_HANDLE h);
int tpm2_load_key (TSS_CONTEXT *tssc, const unsigned char *shadow_info,
TPM_HANDLE *key, TPMI_ALG_PUBLIC *type);
int tpm2_sign (ctrl_t ctrl, TSS_CONTEXT *tssc, TPM_HANDLE key,
gpg_error_t (*pin_cb)(ctrl_t ctrl, const char *info,
char **retstr),
TPMI_ALG_PUBLIC type,
const unsigned char *digest, size_t digestlen,
unsigned char **r_sig, size_t *r_siglen);
int tpm2_import_key (ctrl_t ctrl, TSS_CONTEXT *tssc,
gpg_error_t (*pin_cb)(ctrl_t ctrl, const char *info,
char **retstr),
unsigned char **shadow_info, size_t *shadow_len,
gcry_sexp_t s_skey, unsigned long parent);
int tpm2_rsa_decrypt (ctrl_t ctrl, TSS_CONTEXT *tssc, TPM_HANDLE key,
gpg_error_t (*pin_cb)(ctrl_t ctrl, const char *info,
char **retstr),
const char *ciphertext, int ciphertext_len,
char **decrypt, size_t *decrypt_len);
int tpm2_ecc_decrypt (ctrl_t ctrl, TSS_CONTEXT *tssc, TPM_HANDLE key,
gpg_error_t (*pin_cb)(ctrl_t ctrl, const char *info,
char **retstr),
const char *ciphertext, int ciphertext_len,
char **decrypt, size_t *decrypt_len);
#endif
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