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Tink is a small cryptographic library that provides a safe, simple, agile and fast way to accomplish some common cryptographic tasks.

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// Copyright 2023 Google LLC
//
// 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.
//
////////////////////////////////////////////////////////////////////////////////

package com.google.crypto.tink.hybrid;

import com.google.crypto.tink.Key;
import com.google.crypto.tink.util.Bytes;
import com.google.errorprone.annotations.Immutable;

/** Representation of the encryption function for a hybrid encryption primitive. */
@Immutable
public abstract class HybridPublicKey extends Key {
  /**
   * Returns a {@link Bytes} instance, which is prefixed to every ciphertext.
   */
  public abstract Bytes getOutputPrefix();

  @Override
  public abstract HybridParameters getParameters();
}