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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.
- ############################################################################*/
- /// Basename hashing helper implementation
- /*! \file */
- #include "epid/member/src/hash_basename.h"
- #include "epid/common/math/ecgroup.h"
- /// Handle SDK Error with Break
- #define BREAK_ON_EPID_ERROR(ret) \
- if (kEpidNoErr != (ret)) { \
- break; \
- }
- EpidStatus HashBaseName(EcGroup* G1, HashAlg hash_alg, void const* basename,
- size_t basename_len, G1ElemStr* B_str,
- uint32_t* iterations) {
- EpidStatus sts = kEpidErr;
- EcPoint* B = NULL;
- if (!G1 || (0 != basename_len && !basename) || !B_str) {
- return kEpidBadArgErr;
- }
- do {
- sts = NewEcPoint(G1, &B);
- BREAK_ON_EPID_ERROR(sts);
- sts = EcHash(G1, basename, basename_len, hash_alg, B, iterations);
- BREAK_ON_EPID_ERROR(sts);
- sts = WriteEcPoint(G1, B, B_str, sizeof(*B_str));
- BREAK_ON_EPID_ERROR(sts);
- sts = kEpidNoErr;
- } while (0);
- DeleteEcPoint(&B);
- return sts;
- }
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