1 // Copyright 2020 The Pigweed Authors
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
7 // https://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
15 #include "pw_kvs/checksum.h"
23 Status ChecksumAlgorithm::Verify(std::span<const byte> checksum) const {
24 if (checksum.size() < size_bytes()) {
25 return Status::InvalidArgument();
27 if (std::memcmp(state_.data(), checksum.data(), size_bytes()) != 0) {
28 return Status::DataLoss();
33 } // namespace pw::kvs