| /* |
| * 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.tuweni.crypto.sodium; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.junit.jupiter.api.Assertions.assertArrayEquals; |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| import static org.junit.jupiter.api.Assumptions.assumeTrue; |
| |
| import org.junit.jupiter.api.BeforeAll; |
| import org.junit.jupiter.api.Test; |
| |
| class XChaCha20Poly1305Test { |
| |
| @BeforeAll |
| static void checkAvailable() { |
| assumeTrue(Sodium.isAvailable(), "Sodium native library is not available"); |
| assumeTrue(XChaCha20Poly1305.isAvailable(), "XChaCha20Poly1305 support is not available (requires >= 10.0.12"); |
| } |
| |
| @Test |
| void checkCombinedEncryptDecrypt() { |
| XChaCha20Poly1305.Key key = XChaCha20Poly1305.Key.random(); |
| XChaCha20Poly1305.Nonce nonce = XChaCha20Poly1305.Nonce.random().increment(); |
| |
| byte[] message = "This is a test message".getBytes(UTF_8); |
| byte[] data = "123456".getBytes(UTF_8); |
| |
| byte[] cipherText = XChaCha20Poly1305.encrypt(message, data, key, nonce); |
| byte[] clearText = XChaCha20Poly1305.decrypt(cipherText, data, key, nonce); |
| |
| assertNotNull(clearText); |
| assertArrayEquals(message, clearText); |
| |
| assertNull(XChaCha20Poly1305.decrypt(cipherText, data, key, nonce.increment())); |
| } |
| |
| @Test |
| void checkDetachedEncryptDecrypt() { |
| XChaCha20Poly1305.Key key = XChaCha20Poly1305.Key.random(); |
| XChaCha20Poly1305.Nonce nonce = XChaCha20Poly1305.Nonce.random().increment(); |
| |
| byte[] message = "This is a test message".getBytes(UTF_8); |
| byte[] data = "123456".getBytes(UTF_8); |
| |
| DetachedEncryptionResult result = XChaCha20Poly1305.encryptDetached(message, data, key, nonce); |
| byte[] clearText = XChaCha20Poly1305.decryptDetached(result.cipherTextArray(), result.macArray(), data, key, nonce); |
| |
| assertNotNull(clearText); |
| assertArrayEquals(message, clearText); |
| |
| clearText = |
| XChaCha20Poly1305.decryptDetached(result.cipherTextArray(), result.macArray(), data, key, nonce.increment()); |
| assertNull(clearText); |
| } |
| |
| @Test |
| void checkStreamEncryptDecrypt() { |
| assumeTrue(XChaCha20Poly1305.isSecretStreamAvailable()); |
| |
| XChaCha20Poly1305.Key key = XChaCha20Poly1305.Key.random(); |
| |
| byte[] message1 = "This is the first message".getBytes(UTF_8); |
| byte[] message2 = "This is the second message".getBytes(UTF_8); |
| byte[] message3 = "This is the third message".getBytes(UTF_8); |
| |
| SecretEncryptionStream ses = XChaCha20Poly1305.openEncryptionStream(key); |
| byte[] header = ses.headerArray(); |
| byte[] cipher1 = ses.push(message1); |
| byte[] cipher2 = ses.push(message2); |
| byte[] cipher3 = ses.pushLast(message3); |
| |
| SecretDecryptionStream sds = XChaCha20Poly1305.openDecryptionStream(key, header); |
| assertArrayEquals(message1, sds.pull(cipher1)); |
| assertFalse(sds.isComplete()); |
| assertArrayEquals(message2, sds.pull(cipher2)); |
| assertFalse(sds.isComplete()); |
| assertArrayEquals(message3, sds.pull(cipher3)); |
| assertTrue(sds.isComplete()); |
| } |
| } |