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44 lines
1.7 KiB
Java
44 lines
1.7 KiB
Java
/**
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*
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* Copyright 2017 Paul Schaub
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.ciphers;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.security.NoSuchProviderException;
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import javax.crypto.NoSuchPaddingException;
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public class Aes128GcmNoPadding extends AesGcmNoPadding {
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public static final String NAMESPACE = "urn:xmpp:ciphers:aes-128-gcm-nopadding:0";
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public Aes128GcmNoPadding() throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeyException,
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NoSuchProviderException, InvalidAlgorithmParameterException {
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super(128);
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}
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public Aes128GcmNoPadding(byte[] keyAndIv) throws NoSuchProviderException, InvalidAlgorithmParameterException,
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NoSuchAlgorithmException, InvalidKeyException, NoSuchPaddingException {
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super(AesGcmNoPadding.copyOfRange(keyAndIv, 0, keyAndIv.length / 2), //Key
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AesGcmNoPadding.copyOfRange(keyAndIv, keyAndIv.length / 2, keyAndIv.length / 2)); //IV
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}
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@Override
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public String getNamespace() {
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return NAMESPACE;
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}
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}
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