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/*############################################################################
# Copyright 2016 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
############################################################################*/
#ifndef EPID_COMMON_1_1_SRC_GROUPPUBKEY_H_
#define EPID_COMMON_1_1_SRC_GROUPPUBKEY_H_
/*!
* \file
* \brief Intel(R) EPID 1.1 group public key interface.
* \addtogroup EpidCommon
* @{
*/
#include "epid/common/errors.h"
#include "epid/common/math/ecgroup.h"
#include "epid/common/1.1/types.h"
/// Internal representation of Epid11GroupPubKey
typedef struct Epid11GroupPubKey_ {
Epid11GroupId gid; ///< group ID
EcPoint* h1; ///< an element in G1
EcPoint* h2; ///< an element in G1
EcPoint* w; ///< an element in G2
} Epid11GroupPubKey_;
/// Constructs internal representation of Intel(R) EPID 1.1 group public key
/*!
Allocates memory and initializes gid, h1, h2, w parameters. Use
DeleteEpid11GroupPubKey() to deallocate memory
\param[in] pub_key_str
Oct string representation of group public key
\param[in] G1
EcGroup containing elements h1 and h2
\param[in] G2
EcGroup containing element w
\param[out] pub_key
Group public key: (gid, h1, h2, w)
\returns ::EpidStatus
\see DeleteEpid11GroupPubKey
*/
EpidStatus CreateEpid11GroupPubKey(Epid11GroupPubKey const* pub_key_str,
EcGroup* G1, EcGroup* G2,
Epid11GroupPubKey_** pub_key);
/// Deallocates storage for internal representation Intel(R) EPID 1.1 group
/// public key
/*!
Frees memory pointed to by Epid11GroupPubKey. Nulls the pointer.
\param[in] pub_key
Epid11GroupPubKey to be freed
\see CreateEpid11GroupPubKey
*/
void DeleteEpid11GroupPubKey(Epid11GroupPubKey_** pub_key);
/*! @} */
#endif // EPID_COMMON_1_1_SRC_GROUPPUBKEY_H_
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