001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019package org.apache.shiro.crypto.hash; 020 021import org.apache.shiro.crypto.RandomNumberGenerator; 022import org.apache.shiro.util.ByteSource; 023 024/** 025 * A {@code HashService} that allows configuration of its strategy via JavaBeans-compatible setter methods. 026 * 027 * @since 1.2 028 */ 029public interface ConfigurableHashService extends HashService { 030 031 /** 032 * Sets the 'private' (internal) salt to be paired with a 'public' (random or supplied) salt during hash computation. 033 * 034 * @param privateSalt the 'private' internal salt to be paired with a 'public' (random or supplied) salt during 035 * hash computation. 036 */ 037 void setPrivateSalt(ByteSource privateSalt); 038 039 /** 040 * Sets the number of hash iterations that will be performed during hash computation. 041 * 042 * @param iterations the number of hash iterations that will be performed during hash computation. 043 */ 044 void setHashIterations(int iterations); 045 046 /** 047 * Sets the name of the {@link java.security.MessageDigest MessageDigest} algorithm that will be used to compute 048 * hashes. 049 * 050 * @param name the name of the {@link java.security.MessageDigest MessageDigest} algorithm that will be used to 051 * compute hashes. 052 */ 053 void setHashAlgorithmName(String name); 054 055 /** 056 * Sets a source of randomness used to generate public salts that will in turn be used during hash computation. 057 * 058 * @param rng a source of randomness used to generate public salts that will in turn be used during hash computation. 059 */ 060 void setRandomNumberGenerator(RandomNumberGenerator rng); 061}