com.amazonaws.encryptionsdk.DataKey Maven / Gradle / Ivy
/*
* Copyright 2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except
* in compliance with the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.encryptionsdk;
import javax.crypto.SecretKey;
/**
* Represents both the cleartext and encrypted bytes of a data key.
*
* @param
* the type of {@link MasterKey} used to protect this {@code DataKey}.
*/
public class DataKey> implements EncryptedDataKey {
private final byte[] providerInformation_;
private final byte[] encryptedDataKey_;
private final SecretKey key_;
private final M masterKey_;
public DataKey(final SecretKey key, final byte[] encryptedDataKey, final byte[] providerInformation,
final M masterKey) {
super();
key_ = key;
encryptedDataKey_ = encryptedDataKey.clone();
providerInformation_ = providerInformation.clone();
masterKey_ = masterKey;
}
/**
* Returns the cleartext bytes of the data key.
*/
public SecretKey getKey() {
return key_;
}
@Override
public String getProviderId() {
return masterKey_.getProviderId();
}
@Override
public byte[] getProviderInformation() {
return providerInformation_.clone();
}
@Override
public byte[] getEncryptedDataKey() {
return encryptedDataKey_.clone();
}
/**
* Returns the {@link MasterKey} used to encrypt this {@link DataKey}.
*/
public M getMasterKey() {
return masterKey_;
}
}