| /* |
| * 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.shardingsphere.encrypt.algorithm.assisted; |
| |
| import lombok.EqualsAndHashCode; |
| import lombok.Getter; |
| import org.apache.shardingsphere.encrypt.spi.EncryptAlgorithm; |
| import org.apache.shardingsphere.encrypt.spi.EncryptAlgorithmMetaData; |
| import org.apache.shardingsphere.infra.algorithm.core.context.AlgorithmSQLContext; |
| import org.apache.shardingsphere.infra.algorithm.messagedigest.core.MessageDigestAlgorithm; |
| import org.apache.shardingsphere.infra.spi.type.typed.TypedSPILoader; |
| |
| import java.util.Properties; |
| |
| /** |
| * MD5 assisted encrypt algorithm. |
| */ |
| @EqualsAndHashCode |
| public final class MD5AssistedEncryptAlgorithm implements EncryptAlgorithm { |
| |
| @Getter |
| private final EncryptAlgorithmMetaData metaData = new EncryptAlgorithmMetaData(false, true, false, new Properties()); |
| |
| private MessageDigestAlgorithm digestAlgorithm; |
| |
| @Override |
| public void init(final Properties props) { |
| digestAlgorithm = TypedSPILoader.getService(MessageDigestAlgorithm.class, getType(), props); |
| } |
| |
| @Override |
| public String encrypt(final Object plainValue, final AlgorithmSQLContext algorithmSQLContext) { |
| return digestAlgorithm.digest(plainValue); |
| } |
| |
| @Override |
| public Object decrypt(final Object cipherValue, final AlgorithmSQLContext algorithmSQLContext) { |
| throw new UnsupportedOperationException(String.format("Algorithm `%s` is unsupported to decrypt", getType())); |
| } |
| |
| @Override |
| public String getType() { |
| return "MD5"; |
| } |
| } |