| /* |
| * 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.nifi.encrypt; |
| |
| import org.apache.commons.codec.DecoderException; |
| import org.apache.commons.codec.binary.Hex; |
| import org.apache.nifi.security.util.EncryptionMethod; |
| import org.apache.nifi.security.util.crypto.AESKeyedCipherProvider; |
| import org.apache.nifi.security.util.crypto.KeyedCipherProvider; |
| import org.apache.nifi.util.StringUtils; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| import javax.crypto.SecretKey; |
| import javax.crypto.spec.SecretKeySpec; |
| import java.nio.charset.Charset; |
| import java.nio.charset.StandardCharsets; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertThrows; |
| |
| public class KeyedCipherPropertyEncryptorTest { |
| private static final Charset DEFAULT_CHARSET = StandardCharsets.UTF_8; |
| |
| private static final String PROPERTY = String.class.getName(); |
| |
| private static final int ENCRYPTED_BINARY_LENGTH = 48; |
| |
| private static final KeyedCipherProvider CIPHER_PROVIDER = new AESKeyedCipherProvider(); |
| |
| private static final EncryptionMethod ENCRYPTION_METHOD = EncryptionMethod.AES_GCM; |
| |
| private static final String KEY_ALGORITHM = "AES"; |
| |
| private static final byte[] STATIC_KEY = StringUtils.repeat("KEY", 8).getBytes(DEFAULT_CHARSET); |
| |
| private static final SecretKey SECRET_KEY = new SecretKeySpec(STATIC_KEY, KEY_ALGORITHM); |
| |
| private static final SecretKey INVALID_SECRET_KEY = new SecretKeySpec(KEY_ALGORITHM.getBytes(DEFAULT_CHARSET), KEY_ALGORITHM); |
| |
| private KeyedCipherPropertyEncryptor encryptor; |
| |
| @BeforeEach |
| public void setUp() { |
| encryptor = new KeyedCipherPropertyEncryptor(CIPHER_PROVIDER, ENCRYPTION_METHOD, SECRET_KEY); |
| } |
| |
| @Test |
| public void testEncryptDecrypt() { |
| final String encrypted = encryptor.encrypt(PROPERTY); |
| final String decrypted = encryptor.decrypt(encrypted); |
| assertEquals(PROPERTY, decrypted); |
| } |
| |
| @Test |
| public void testEncryptHexadecimalEncoded() throws DecoderException { |
| final String encrypted = encryptor.encrypt(PROPERTY); |
| final byte[] decoded = Hex.decodeHex(encrypted); |
| assertEquals(ENCRYPTED_BINARY_LENGTH, decoded.length); |
| } |
| |
| @Test |
| public void testDecryptEncryptionException() { |
| final String encodedProperty = Hex.encodeHexString(PROPERTY.getBytes(DEFAULT_CHARSET)); |
| assertThrows(EncryptionException.class, () -> encryptor.decrypt(encodedProperty)); |
| } |
| |
| @Test |
| public void testGetCipherEncryptionException() { |
| encryptor = new KeyedCipherPropertyEncryptor(CIPHER_PROVIDER, ENCRYPTION_METHOD, INVALID_SECRET_KEY); |
| assertThrows(EncryptionException.class, () -> encryptor.encrypt(PROPERTY)); |
| } |
| |
| @Test |
| public void testEqualsHashCode() { |
| final KeyedCipherPropertyEncryptor equivalentEncryptor = new KeyedCipherPropertyEncryptor(CIPHER_PROVIDER, ENCRYPTION_METHOD, SECRET_KEY); |
| assertEquals(encryptor, equivalentEncryptor); |
| assertEquals(encryptor.hashCode(), equivalentEncryptor.hashCode()); |
| } |
| |
| @Test |
| public void testEqualsHashCodeDifferentSecretKey() { |
| final SecretKey secretKey = new SecretKeySpec(String.class.getSimpleName().getBytes(StandardCharsets.UTF_8), KEY_ALGORITHM); |
| final KeyedCipherPropertyEncryptor differentEncryptor = new KeyedCipherPropertyEncryptor(CIPHER_PROVIDER, ENCRYPTION_METHOD, secretKey); |
| assertNotEquals(encryptor, differentEncryptor); |
| assertNotEquals(encryptor.hashCode(), differentEncryptor.hashCode()); |
| } |
| } |