/*
* 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.usergrid.security.crypto.command;
import java.util.UUID;
import org.apache.usergrid.persistence.CredentialsInfo;
/**
* Simple chain of responsibility algorithm for password cryptography.
*
* @author tnine
*/
public abstract class EncryptionCommand {
/** The default implementations provided by subclasses */
public static final String SHA1 = "sha-1";
public static final String MD5 = "md5";
public static final String PLAINTEXT = "plaintext";
public static final String BCRYPT = "bcrypt";
/**
* Perform the required hash on the input bytes, using the CredentialsInfo and the user provided. Subclasses should
* invoke the next in the chain if required.
*/
public abstract byte[] hash( byte[] input, CredentialsInfo info, UUID userId, UUID applicationId );
/** Perform authentication from the given input bytes. Return the bytes that should be used for comparison */
public abstract byte[] auth( byte[] input, CredentialsInfo info, UUID userId, UUID applicationId );
/** Get the name of this encryption command */
public abstract String getName();
}