Smack/smack-experimental/src/main/java/org/jivesoftware/smackx/ciphers/Aes256GcmNoPadding.java

44 lines
1.7 KiB
Java

/**
*
* Copyright 2017 Paul Schaub
*
* 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 org.jivesoftware.smackx.ciphers;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import javax.crypto.NoSuchPaddingException;
public class Aes256GcmNoPadding extends AesGcmNoPadding {
public static final String NAMESPACE = "urn:xmpp:ciphers:aes-256-gcm-nopadding:0";
public Aes256GcmNoPadding(int MODE) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeyException,
NoSuchProviderException, InvalidAlgorithmParameterException {
super(256, MODE);
}
public Aes256GcmNoPadding(byte[] keyAndIv, int MODE) throws NoSuchProviderException, InvalidAlgorithmParameterException,
NoSuchAlgorithmException, InvalidKeyException, NoSuchPaddingException {
super(AesGcmNoPadding.copyOfRange(keyAndIv, 0, 32), // 32 byte key
AesGcmNoPadding.copyOfRange(keyAndIv, 32, keyAndIv.length), MODE); // rest (12 byte) IV
}
@Override
public String getNamespace() {
return NAMESPACE;
}
}