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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.
- ############################################################################*/
- /// Host join helper APIs
- /*! \file */
- #ifndef EPID_MEMBER_SRC_JOIN_COMMITMENT_H_
- #define EPID_MEMBER_SRC_JOIN_COMMITMENT_H_
- #include "epid/common/errors.h"
- #include "epid/common/types.h" // HashAlg
- /// \cond
- typedef struct FiniteField FiniteField;
- typedef struct G1ElemStr G1ElemStr;
- typedef struct FpElemStr FpElemStr;
- typedef struct OctStr256 OctStr256;
- typedef struct OctStr256 IssuerNonce;
- /// \endcond
- /// Calculates commitment hash of join commit
- /*!
- \param[in] Fp
- The finite field.
- \param[in] hash_alg
- The hash algorithm.
- \param[in] pub_key
- The public key of the group being joined.
- \param[in] F_str
- The F value of the join commit.
- \param[in] R_str
- The R value of the join commit.
- \param[in] NI
- The nonce chosen by issuer as part of join protocol.
- \param[out] c_str
- The resulting commitment hash.
- \returns ::EpidStatus
- */
- EpidStatus HashJoinCommitment(FiniteField* Fp, HashAlg hash_alg,
- GroupPubKey const* pub_key,
- G1ElemStr const* F_str, G1ElemStr const* R_str,
- IssuerNonce const* NI, FpElemStr* c_str);
- #endif // EPID_MEMBER_SRC_JOIN_COMMITMENT_H_
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