| /* |
| * Copyright 2005-2008 Les Hazlewood |
| * |
| * Licensed 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.jsecurity.crypto.hash; |
| |
| import org.jsecurity.codec.Base64; |
| import org.jsecurity.codec.Hex; |
| |
| /** |
| * Generates an SHA-1 Hash (Secure Hash Standard, NIST FIPS 180-1) from a given input <tt>source</tt> with an |
| * optional <tt>salt</tt> and hash iterations. |
| * |
| * <p>See the {@link AbstractHash AbstractHash} parent class JavaDoc for a detailed explanation of Hashing |
| * techniques and how the overloaded constructors function. |
| * |
| * @author Les Hazlewood |
| * @since 0.9 |
| */ |
| public class Sha1Hash extends AbstractHash { |
| |
| public static final String ALGORITHM_NAME = "SHA-1"; |
| |
| public Sha1Hash() { |
| } |
| |
| public Sha1Hash(Object source) { |
| super( source ); |
| } |
| |
| public Sha1Hash(Object source, Object salt) { |
| super(source, salt); |
| } |
| |
| public Sha1Hash(Object source, Object salt, int hashIterations) { |
| super(source, salt, hashIterations); |
| } |
| |
| protected String getAlgorithmName() { |
| return ALGORITHM_NAME; |
| } |
| |
| public static Sha1Hash fromHexString( String hex ) { |
| Sha1Hash hash = new Sha1Hash(); |
| hash.setBytes( Hex.decode( hex ) ); |
| return hash; |
| } |
| |
| public static Sha1Hash fromBase64String( String base64 ) { |
| Sha1Hash hash = new Sha1Hash(); |
| hash.setBytes( Base64.decode( base64 ) ); |
| return hash; |
| } |
| } |