blob: 0a885f75f37c5def79a2a6470f759d5b249144a2 [file] [log] [blame]
// Copyright 2020 The Pigweed Authors
//
// 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
//
// https://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.
#include "pw_kvs/checksum.h"
#include <cstring>
namespace pw::kvs {
using std::byte;
Status ChecksumAlgorithm::Verify(std::span<const byte> checksum) const {
if (checksum.size() < size_bytes()) {
return Status::INVALID_ARGUMENT;
}
if (std::memcmp(state_.data(), checksum.data(), size_bytes()) != 0) {
return Status::DATA_LOSS;
}
return Status::OK;
}
} // namespace pw::kvs