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/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * 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.acegisecurity.providers.encoding;

import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.digest.DigestUtils;


/**
 * 

SHA implementation of PasswordEncoder.

*

If a null password is presented, it will be treated as an empty String ("") * password.

*

As SHA is a one-way hash, the salt can contain any characters.

* * @author colin sampaleanu * @author Ben Alex * @version $Id: ShaPasswordEncoder.java 1496 2006-05-23 13:38:33Z benalex $ */ public class ShaPasswordEncoder extends BaseDigestPasswordEncoder implements PasswordEncoder { //~ Methods ======================================================================================================== public String encodePassword(String rawPass, Object salt) { String saltedPass = mergePasswordAndSalt(rawPass, salt, false); if (!getEncodeHashAsBase64()) { return DigestUtils.shaHex(saltedPass); } byte[] encoded = Base64.encodeBase64(DigestUtils.sha(saltedPass)); return new String(encoded); } public boolean isPasswordValid(String encPass, String rawPass, Object salt) { String pass1 = "" + encPass; String pass2 = encodePassword(rawPass, salt); return pass1.equals(pass2); } }




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