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The AWS Java SDK for Amazon S3 module holds the client classes that are used for communicating with Amazon Simple Storage Service
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/*
* Copyright 2014-2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Portions copyright 2006-2009 James Murty. Please see LICENSE.txt
* for applicable license terms and NOTICE.txt for applicable notices.
*
* 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.services.s3.internal.crypto.v2;
import java.util.Collections;
import java.util.Map;
import java.util.TreeMap;
import com.amazonaws.services.s3.internal.crypto.keywrap.InternalKeyWrapAlgorithm;
/**
* Internal class used to carry both the secured CEK and the key wrapping
* algorithm, if any. Byte array cloning is intentionally skipped for
* performance reasons.
*/
class SecuredCEK {
/**
* The encrypted CEK either via key wrapping or simple encryption.
*/
private final byte[] encrypted;
/**
* The key wrapping algorithm used, or null if the CEK is not secured via
* key wrapping.
*/
private final InternalKeyWrapAlgorithm keyWrapAlgorithm;
/** Unmodifiable material description. */
private final Map matdesc;
SecuredCEK(byte[] encryptedKey, InternalKeyWrapAlgorithm keyWrapAlgorithm, Map matdesc) {
this.encrypted = encryptedKey;
this.keyWrapAlgorithm = keyWrapAlgorithm;
this.matdesc = Collections.unmodifiableMap(new TreeMap<>(matdesc));
}
byte[] getEncrypted() {
return encrypted;
}
InternalKeyWrapAlgorithm getKeyWrapAlgorithm() {
return keyWrapAlgorithm;
}
/**
* Returns an unmodifable material description of this secured CEK.
*/
Map getMaterialDescription() {
return matdesc;
}
}
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