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     */
019    package org.apache.shiro.authc.credential;
020    
021    import org.apache.shiro.crypto.hash.AbstractHash;
022    import org.apache.shiro.crypto.hash.Hash;
023    import org.apache.shiro.crypto.hash.Sha1Hash;
024    
025    
026    /**
027     * {@code HashedCredentialsMatcher} implementation that expects the stored {@code AuthenticationInfo} credentials to be
028     * SHA hashed.
029     * <p/>
030     * <b>Note:</b> <a href="http://en.wikipedia.org/wiki/MD5">MD5</a> and
031     * <a href="http://en.wikipedia.org/wiki/SHA_hash_functions">SHA-1</a> algorithms are now known to be vulnerable to
032     * compromise and/or collisions (read the linked pages for more).  While most applications are ok with either of these
033     * two, if your application mandates high security, use the SHA-256 (or higher) hashing algorithms and their
034     * supporting <code>CredentialsMatcher</code> implementations.</p>
035     *
036     * @since 0.9
037     * @deprecated since 1.1 - use the HashedCredentialsMatcher directly and set its
038     *             {@link HashedCredentialsMatcher#setHashAlgorithmName(String) hashAlgorithmName} property.
039     */
040    public class Sha1CredentialsMatcher extends HashedCredentialsMatcher {
041    
042        public Sha1CredentialsMatcher() {
043            super();
044            setHashAlgorithmName(Sha1Hash.ALGORITHM_NAME);
045        }
046    }