ta.h

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/*
 * Copyright (c) 2010-2012 Frank Morgner and Dominik Oepen
 *
 * This file is part of OpenPACE.
 *
 * OpenPACE 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.
 *
 * OpenPACE 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
 * OpenPACE.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Additional permission under GNU GPL version 3 section 7
 *
 * If you modify this Program, or any covered work, by linking or combining it
 * with OpenSSL (or a modified version of that library), containing
 * parts covered by the terms of OpenSSL's license, the licensors of
 * this Program grant you additional permission to convey the resulting work.
 * Corresponding Source for a non-source form of such a combination shall include
 * the source code for the parts of OpenSSL used as well as that of the
 * covered work.
 *
 * If you modify this Program, or any covered work, by linking or combining it
 * with OpenSC (or a modified version of that library), containing
 * parts covered by the terms of OpenSC's license, the licensors of
 * this Program grant you additional permission to convey the resulting work. 
 * Corresponding Source for a non-source form of such a combination shall include
 * the source code for the parts of OpenSC used as well as that of the
 * covered work.
 */
 
#ifndef TA_H_
#define TA_H_
 
#include <eac/eac.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define TA_FLAG_SKIP_TIMECHECK 1
 
void
TA_disable_checks(EAC_CTX *ctx);
 
int
TA_STEP2_import_certificate(const EAC_CTX *ctx,
           const unsigned char *cert, size_t cert_len);
BUF_MEM *
TA_STEP3_generate_ephemeral_key(const EAC_CTX *ctx);
BUF_MEM *
TA_STEP4_get_nonce(const EAC_CTX *ctx);
int
TA_STEP4_set_nonce(const EAC_CTX *ctx, const BUF_MEM *nonce);
BUF_MEM *
TA_STEP5_sign(const EAC_CTX *ctx, const BUF_MEM *my_ta_eph_pubkey,
           const BUF_MEM *opp_pace_eph_pubkey, const BUF_MEM *auxdata);
int
TA_STEP6_verify(const EAC_CTX *ctx, const BUF_MEM *opp_ta_comp_eph_pubkey,
           const BUF_MEM *my_pace_comp_eph_pubkey, const BUF_MEM *auxdata,
           const BUF_MEM *signature);
 
#ifdef  __cplusplus
}
#endif
#endif