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- /*############################################################################
- # Copyright 2017 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.
- ############################################################################*/
- /// Member pre-computation API
- /*! \file */
- #ifndef EPID_MEMBER_SRC_PRECOMP_H_
- #define EPID_MEMBER_SRC_PRECOMP_H_
- #include "epid/common/errors.h"
- /// \cond
- typedef struct Epid2Params_ Epid2Params_;
- typedef struct GroupPubKey GroupPubKey;
- typedef struct G1ElemStr G1ElemStr;
- typedef struct MemberPrecomp MemberPrecomp;
- /// \endcond
- /// Precomputes pairing values for member
- /*!
- The the result of the expensive pairing operations can be
- pre-computed. The pre-computation result can be saved for future
- sign operations using the same group and private key.
- \param[in] epid2_params
- The field and group parameters.
- \param[in] pub_key
- The public key of the group.
- \param[in] A_str
- The A value of the member private key.
- \param[out] precomp
- The member pre-computed data.
- \returns ::EpidStatus
- \see CreateEpid2Params
- */
- EpidStatus PrecomputeMemberPairing(Epid2Params_ const* epid2_params,
- GroupPubKey const* pub_key,
- G1ElemStr const* A_str,
- MemberPrecomp* precomp);
- #endif // EPID_MEMBER_SRC_PRECOMP_H_
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