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// Copyright 2017 Google Inc.
//
// 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.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TINK_KEYSET_READER_H_
#define TINK_KEYSET_READER_H_
#include <memory>
#include "tink/util/statusor.h"
#include "proto/tink.pb.h"
namespace crypto {
namespace tink {
// KeysetReader knows how to read a Keyset or an EncryptedKeyset
// from some source.
class KeysetReader {
public:
// Reads and returns a (cleartext) Keyset object from the underlying source.
virtual crypto::tink::util::StatusOr<
std::unique_ptr<google::crypto::tink::Keyset>>
Read() = 0;
// Reads and returns an EncryptedKeyset object from the underlying source.
virtual crypto::tink::util::StatusOr<
std::unique_ptr<google::crypto::tink::EncryptedKeyset>>
ReadEncrypted() = 0;
virtual ~KeysetReader() = default;
};
} // namespace tink
} // namespace crypto
#endif // TINK_KEYSET_READER_H_
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