es.logongas.fpempresa.security.SecureKeyGenerator.java Source code

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Here is the source code for es.logongas.fpempresa.security.SecureKeyGenerator.java

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/**
 *   FPempresa
 *   Copyright (C) 2015  Lorenzo Gonzlez
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License as
 *   published by the Free Software Foundation, either version 3 of the
 *   License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package es.logongas.fpempresa.security;

import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import org.apache.commons.codec.binary.Base32;

/**
 *
 * @author logongas
 */
public class SecureKeyGenerator {

    private final static int keyLength = 128;

    public static String getSecureKey() {
        try {
            Base32 base32 = new Base32();
            KeyGenerator keyGen = KeyGenerator.getInstance("AES");
            keyGen.init(keyLength);
            SecretKey secretKey = keyGen.generateKey();
            byte[] encoded = secretKey.getEncoded();
            return base32.encodeAsString(encoded);
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
    };

}