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/**
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* '$RCSfile$'
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* Copyright: 2013 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.authentication;
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import org.mindrot.jbcrypt.BCrypt;
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/**
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* A class to use the BCryptHash algorithm to generate the hash. This is a recommended way
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* to protect password.
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* @author tao
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*
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*/
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public class AuthFileBCryptHash implements AuthFileHashInterface {
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/**
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* Default Constructor
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*/
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public AuthFileBCryptHash() {
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}
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@Override
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public boolean match(String plain, String hashed) throws Exception {
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if(plain == null || plain.trim().equals("")) {
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throw new IllegalArgumentException("AuthFileBrryptHash.match - the password parameter can't be null or blank");
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}
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if(hashed == null || hashed.trim().equals("")) {
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throw new IllegalArgumentException("AuthFileBrryptHash.match - the hashed value of password parameter can't be null or blank");
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}
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return BCrypt.checkpw(plain, hashed);
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}
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@Override
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public String hash(String plain) {
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if(plain == null || plain.trim().equals("")) {
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throw new IllegalArgumentException("AuthFileBrryptHash.hash - the password parameter can't be null or blank");
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}
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return BCrypt.hashpw(plain, BCrypt.gensalt());
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}
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}
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