network/sasl/SaslEncryptionBackend.java

0001 /*
0002  * Licensed to the Apache Software Foundation (ASF) under one or more
0003  * contributor license agreements.  See the NOTICE file distributed with
0004  * this work for additional information regarding copyright ownership.
0005  * The ASF licenses this file to You under the Apache License, Version 2.0
0006  * (the "License"); you may not use this file except in compliance with
0007  * the License.  You may obtain a copy of the License at
0008  *
0009  *    http://www.apache.org/licenses/LICENSE-2.0
0010  *
0011  * Unless required by applicable law or agreed to in writing, software
0012  * distributed under the License is distributed on an "AS IS" BASIS,
0013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0014  * See the License for the specific language governing permissions and
0015  * limitations under the License.
0016  */
0017
0018 package org.apache.spark.network.sasl;
0019
0020 import javax.security.sasl.SaslException;
0021
0022 interface SaslEncryptionBackend {
0023
0024   /** Disposes of resources used by the backend. */
0025   void dispose();
0026
0027   /** Encrypt data. */
0028   byte[] wrap(byte[] data, int offset, int len) throws SaslException;
0029
0030   /** Decrypt data. */
0031   byte[] unwrap(byte[] data, int offset, int len) throws SaslException;
0032
0033 }