package io.eguan.hash;
/*
* #%L
* Project eguan
* %%
* Copyright (C) 2012 - 2017 Oodrive
* %%
* 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.
* #L%
*/
import java.nio.ByteBuffer;
import com.google.protobuf.ByteString;
/**
* Provides persistent hash of a {@link ByteBuffer} or of a {@link ByteString}.
*
* @author oodrive
* @author llambert
*
*/
public interface ByteBufferDigestProvider {
/**
* Hash algorithm.
*
* @return the {@link HashAlgorithm}
*/
HashAlgorithm getAlgorithm();
/**
* Gets the digest computed for the provided {@link ByteBuffer}.
*
* @return the digest of the given {@link ByteBuffer}.
*/
byte[] getDigest();
}