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14142a0ef2
OmemoAesCipher is the sole point where OMEMO related AES operations are performed. This allows OmemoAesCipher to check in a static block if AES is available. If AES is not available it throws a (hopefully) helpfull exception message. Typically AES is not available on Android if no security provider providing AES, like Bouncy Castle, has been explicitly configured.
69 lines
2.7 KiB
Java
69 lines
2.7 KiB
Java
/**
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*
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* Copyright the original author or authors
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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.omemo;
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import static junit.framework.TestCase.assertEquals;
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import static junit.framework.TestCase.assertTrue;
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import static org.jivesoftware.smackx.omemo.util.OmemoConstants.Crypto.KEYLENGTH;
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import static org.jivesoftware.smackx.omemo.util.OmemoConstants.Crypto.KEYTYPE;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertFalse;
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import java.security.NoSuchAlgorithmException;
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import org.jivesoftware.smack.test.util.SmackTestSuite;
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import org.jivesoftware.smackx.omemo.element.OmemoElement;
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import org.jivesoftware.smackx.omemo.exceptions.CryptoFailedException;
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import org.jivesoftware.smackx.omemo.internal.CipherAndAuthTag;
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import org.jivesoftware.smackx.omemo.internal.CiphertextTuple;
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import org.jivesoftware.smackx.omemo.util.OmemoMessageBuilder;
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import org.junit.Test;
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/**
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* Test the identityKeyWrapper.
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*/
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public class WrapperObjectsTest extends SmackTestSuite {
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@Test
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public void ciphertextTupleTest() {
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byte[] c = OmemoMessageBuilder.generateIv();
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CiphertextTuple c1 = new CiphertextTuple(c, OmemoElement.TYPE_OMEMO_PREKEY_MESSAGE);
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assertTrue(c1.isPreKeyMessage());
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assertArrayEquals(c, c1.getCiphertext());
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assertEquals(OmemoElement.TYPE_OMEMO_PREKEY_MESSAGE, c1.getMessageType());
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CiphertextTuple c2 = new CiphertextTuple(c, OmemoElement.TYPE_OMEMO_MESSAGE);
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assertFalse(c2.isPreKeyMessage());
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assertEquals(OmemoElement.TYPE_OMEMO_MESSAGE, c2.getMessageType());
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}
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@Test
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public void cipherAndAuthTagTest() throws NoSuchAlgorithmException, CryptoFailedException {
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byte[] key = OmemoMessageBuilder.generateKey(KEYTYPE, KEYLENGTH);
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byte[] iv = OmemoMessageBuilder.generateIv();
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byte[] authTag = OmemoMessageBuilder.generateIv();
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CipherAndAuthTag cat = new CipherAndAuthTag(key, iv, authTag, true);
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assertArrayEquals(key, cat.getKey());
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assertArrayEquals(iv, cat.getIv());
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assertArrayEquals(authTag, cat.getAuthTag());
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assertTrue(cat.wasPreKeyEncrypted());
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}
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}
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