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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.
- ############################################################################*/
- /*!
- * \file
- * \brief EpidGetSigSize implementation.
- */
- #include "epid/member/api.h"
- #include "epid/common/src/endian_convert.h"
- size_t EpidGetSigSize(SigRl const* sig_rl) {
- const size_t kMinSigSize = sizeof(EpidSignature) - sizeof(NrProof);
- if (!sig_rl) {
- return kMinSigSize;
- } else {
- if (ntohl(sig_rl->n2) > (SIZE_MAX - kMinSigSize) / sizeof(NrProof)) {
- return kMinSigSize;
- } else {
- return kMinSigSize + ntohl(sig_rl->n2) * sizeof(NrProof);
- }
- }
- }
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