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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_PUBLIC_KEY_VERIFY_H_
#define TINK_PUBLIC_KEY_VERIFY_H_
#include "absl/strings/string_view.h"
#include "tink/util/status.h"
namespace crypto {
namespace tink {
///////////////////////////////////////////////////////////////////////////////
// Interface for public key verifying.
// Digital Signatures provide functionality of signing data and verification of
// the signatures. They are represented by a pair of primitives (interfaces)
// 'PublicKeySign' for signing of data, and 'PublicKeyVerify' for verification
// of signatures. Implementations of these interfaces are secure against
// adaptive chosen-message attacks. Signing data ensures the authenticity and
// the integrity of that data, but not its secrecy.
class PublicKeyVerify {
public:
// Verifies that 'signature' is a digital signature for 'data'.
virtual crypto::tink::util::Status Verify(
absl::string_view signature,
absl::string_view data) const = 0;
virtual ~PublicKeyVerify() = default;
};
} // namespace tink
} // namespace crypto
#endif // TINK_PUBLIC_KEY_VERIFY_H_
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