| /* |
| * 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.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.junit.jupiter.api.Assumptions.assumeTrue; |
| |
| import org.junit.jupiter.api.BeforeAll; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| class AES256GCMTest { |
| |
| private static AES256GCM.Nonce nonce; |
| |
| @BeforeAll |
| static void checkAvailable() { |
| assumeTrue(Sodium.isAvailable(), "Sodium native library is not available"); |
| assumeTrue(AES256GCM.isAvailable(), "AES256-GSM support is not available"); |
| nonce = AES256GCM.Nonce.random(); |
| } |
| |
| @BeforeEach |
| void incrementNonce() { |
| nonce = nonce.increment(); |
| } |
| |
| @Test |
| void checkCombinedEncryptDecrypt() { |
| AES256GCM.Key key = AES256GCM.Key.random(); |
| |
| byte[] message = "This is a test message".getBytes(UTF_8); |
| byte[] data = "123456".getBytes(UTF_8); |
| |
| byte[] cipherText = AES256GCM.encrypt(message, data, key, nonce); |
| byte[] clearText = AES256GCM.decrypt(cipherText, data, key, nonce); |
| |
| assertNotNull(clearText); |
| assertArrayEquals(message, clearText); |
| |
| assertNull(AES256GCM.decrypt(cipherText, data, key, nonce.increment())); |
| } |
| |
| @Test |
| void checkCombinedPrecomputedEncryptDecrypt() { |
| try (AES256GCM precomputed = AES256GCM.forKey(AES256GCM.Key.random())) { |
| byte[] message = "This is a test message".getBytes(UTF_8); |
| byte[] data = "123456".getBytes(UTF_8); |
| |
| byte[] cipherText = precomputed.encrypt(message, data, nonce); |
| byte[] clearText = precomputed.decrypt(cipherText, data, nonce); |
| |
| assertNotNull(clearText); |
| assertArrayEquals(message, clearText); |
| |
| assertNull(precomputed.decrypt(cipherText, data, nonce.increment())); |
| } |
| } |
| |
| @Test |
| void checkDetachedEncryptDecrypt() { |
| AES256GCM.Key key = AES256GCM.Key.random(); |
| |
| byte[] message = "This is a test message".getBytes(UTF_8); |
| byte[] data = "123456".getBytes(UTF_8); |
| |
| DetachedEncryptionResult result = AES256GCM.encryptDetached(message, data, key, nonce); |
| byte[] clearText = AES256GCM.decryptDetached(result.cipherTextArray(), result.macArray(), data, key, nonce); |
| |
| assertNotNull(clearText); |
| assertArrayEquals(message, clearText); |
| |
| clearText = AES256GCM.decryptDetached(result.cipherTextArray(), result.macArray(), data, key, nonce.increment()); |
| assertNull(clearText); |
| } |
| |
| @Test |
| void checkDetachedPrecomputedEncryptDecrypt() { |
| try (AES256GCM precomputed = AES256GCM.forKey(AES256GCM.Key.random())) { |
| byte[] message = "This is a test message".getBytes(UTF_8); |
| byte[] data = "123456".getBytes(UTF_8); |
| |
| DetachedEncryptionResult result = precomputed.encryptDetached(message, data, nonce); |
| byte[] clearText = precomputed.decryptDetached(result.cipherTextArray(), result.macArray(), data, nonce); |
| |
| assertNotNull(clearText); |
| assertArrayEquals(message, clearText); |
| |
| clearText = precomputed.decryptDetached(result.cipherTextArray(), result.macArray(), data, nonce.increment()); |
| assertNull(clearText); |
| } |
| } |
| } |