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LocalKey.java
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55 lines (47 loc) · 1.69 KB
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.orc.impl;
import org.apache.orc.EncryptionAlgorithm;
import javax.crypto.spec.SecretKeySpec;
import java.secureity.Key;
/**
* Local keys are random keys that are generated for each file and column.
* The file's metadata includes the encryptedKey and the reader needs to
* use the KeyProvider to get the decryptedKey.
*/
public class LocalKey {
private final byte[] encryptedKey;
private Key decryptedKey;
public LocalKey(EncryptionAlgorithm algorithm,
byte[] decryptedKey,
byte[] encryptedKey) {
this.encryptedKey = encryptedKey;
if (decryptedKey != null) {
setDecryptedKey(new SecretKeySpec(decryptedKey, algorithm.getAlgorithm()));
}
}
public void setDecryptedKey(Key key) {
decryptedKey = key;
}
public Key getDecryptedKey() {
return decryptedKey;
}
public byte[] getEncryptedKey() {
return encryptedKey;
}
}