com.facebook.presto.jdbc.internal.spi.spiller.SpillCipher Maven / Gradle / Ivy
/*
* 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.facebook.presto.jdbc.internal.spi.spiller;
import java.nio.ByteBuffer;
public interface SpillCipher
{
/**
* Encrypts the source data
*/
byte[] encrypt(byte[] data);
/**
* Encrypts the contents of the input ByteBuffer into a new ByteBuffer instance. The returned instance will
* be at position 0 and ready to read.
*/
ByteBuffer encrypt(ByteBuffer data);
/**
* Decrypts encrypted data
*/
byte[] decrypt(byte[] encryptedData);
/**
* Decrypts the given {@link ByteBuffer} contents and returns them in a new {@link ByteBuffer}. The returned
* instance will be at position 0 and ready to read.
*/
ByteBuffer decrypt(ByteBuffer encryptedData);
/**
* Destroy encryption key preventing future use. Implementations should allow this to be called multiple times
* without failing.
*/
void destroy();
/**
* Indicates whether {@link SpillCipher#destroy()} has already been called to destroy the cipher
*/
boolean isDestroyed();
}
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