de.uzk.hki.da.passwordEncryptor.passwordEncryptor.java Source code

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Here is the source code for de.uzk.hki.da.passwordEncryptor.passwordEncryptor.java

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/**
  DA-NRW Software Suite | Password Encryptor
  Copyright (C) 2014 Historisch-Kulturwissenschaftliche Informationsverarbeitung
  Universitt zu Kln
    
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU 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 General Public License for more details.
    
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package de.uzk.hki.da.passwordEncryptor;

import java.security.GeneralSecurityException;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
import javax.crypto.spec.IvParameterSpec;

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

/**
 * 
 * @author Thomas Kleinke
 *
 */
public class passwordEncryptor {

    private static String encryptPasswordForContentBroker(String password) {

        byte key[] = "394z57f4".getBytes();
        byte encryptedPassword[];

        try {
            SecretKey secretKey = SecretKeyFactory.getInstance("DES").generateSecret(new DESKeySpec(key));

            Cipher encrypt = Cipher.getInstance("DES/CBC/PKCS5Padding");
            encrypt.init(Cipher.ENCRYPT_MODE, secretKey,
                    new IvParameterSpec(new byte[] { 0x01, 0x02, 0x04, 0x10, 0x01, 0x02, 0x04, 0x10 }));
            encryptedPassword = encrypt.doFinal(password.getBytes());
        } catch (GeneralSecurityException e) {
            throw new RuntimeException("Couldn't encrypt password " + password + e);
        }

        return new String(Base64.encodeBase64(encryptedPassword));
    }

    private static String encryptPasswordForMicroservices(String password) {

        String result = "";

        int cryptTable[] = { 1323, 1213, 4312, 3323, 2034, 3109, 3424, 1214, 1134, 4454, 4599, 3646, 3534, 2523,
                2435, 2870, 4345, 3124, 3656, 2777, 3232, 1834, 1235, 1545, 2742, 1099, 3631, 2243, 3173, 2421,
                3129, 1037 };

        for (int i = 0; i < password.length(); i++) {
            int c = password.charAt(i);
            c += cryptTable[i % 32];
            String d = new String(Character.toChars(c / 85 + 40));
            String e = new String(Character.toChars(c % 85 + 40));

            result += e;
            result += d;
        }

        return result;
    }

    public static void main(String[] args) {

        if (args.length <= 1 || args[0].equals("--help") || args[0].equals("-h") || args[0].equals("help")
                || args[0].equals("h") || !(args[0].equals("-cb") || args[0].equals("-ms"))) {
            System.out.println("Usage: java -jar passwordEncryptor.jar [-cb | -ms] [PASSWORD]");
            System.out.println("-cb: Encrypt password for ContentBroker configuration files");
            System.out.println("-ms: Encrypt password for microservices configuration file");
            return;
        }

        String encryptedPassword = "";
        if (args[0].equals("-cb"))
            encryptedPassword = encryptPasswordForContentBroker(args[1]);
        else if (args[0].equals("-ms"))
            encryptedPassword = encryptPasswordForMicroservices(args[1]);
        System.out.println(encryptedPassword);
    }

}