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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.shardingsphere.encrypt.spi;
19  
20  import org.apache.shardingsphere.infra.algorithm.core.ShardingSphereAlgorithm;
21  import org.apache.shardingsphere.infra.algorithm.core.config.AlgorithmConfiguration;
22  import org.apache.shardingsphere.infra.algorithm.core.context.AlgorithmSQLContext;
23  
24  /**
25   * Encrypt algorithm.
26   */
27  public interface EncryptAlgorithm extends ShardingSphereAlgorithm {
28      
29      /**
30       * Encrypt.
31       *
32       * @param plainValue plain value
33       * @param algorithmSQLContext algorithm SQL context
34       * @return cipher value
35       */
36      Object encrypt(Object plainValue, AlgorithmSQLContext algorithmSQLContext);
37      
38      /**
39       * Decrypt.
40       *
41       * @param cipherValue cipher value
42       * @param algorithmSQLContext algorithm SQL context
43       * @return plain value
44       */
45      Object decrypt(Object cipherValue, AlgorithmSQLContext algorithmSQLContext);
46      
47      /**
48       * Get encrypt algorithm meta data.
49       *
50       * @return encrypt algorithm meta data
51       */
52      EncryptAlgorithmMetaData getMetaData();
53      
54      /**
55       * convert to encryptor configuration.
56       *
57       * @return converted configuration
58       */
59      AlgorithmConfiguration toConfiguration();
60  }