de.scrubstudios.srvmon.notificator.classes.Crypt.java Source code

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Here is the source code for de.scrubstudios.srvmon.notificator.classes.Crypt.java

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package de.scrubstudios.srvmon.notificator.classes;

//import com.sun.org.apache.xml.internal.security.exceptions.Base64DecodingException;
//import com.sun.org.apache.xml.internal.security.utils.Base64;
//import org.apache.commons.codec.binary.Base64;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;

/**
 *
 * @author pwarnimo
 */
public class Crypt {
    public static String encrypt(String key, String data) {
        byte[] encryptedData = null;
        SecretKeySpec keySpec = new SecretKeySpec(key.getBytes(), "AES");

        try {
            Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");

            cipher.init(Cipher.ENCRYPT_MODE, keySpec);
            encryptedData = cipher.doFinal(data.getBytes());

            byte[] encr64 = Base64.encodeBase64(encryptedData);

            //System.out.println(new String(encr64));

            return new String(encr64);
        } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | IllegalBlockSizeException
                | BadPaddingException ex) {
            Logger.getLogger(Crypt.class.getName()).log(Level.SEVERE, null, ex);
        }

        return null;
    }

    public static String decrypt(String key, String data) {
        byte[] decryptedData = null;
        SecretKeySpec keySpec = new SecretKeySpec(key.getBytes(), "AES");

        try {
            Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");

            cipher.init(Cipher.DECRYPT_MODE, keySpec);
            //decryptedData = cipher.doFinal(Base64.decode(data));

            decryptedData = cipher.doFinal(Base64.decodeBase64(data));

            //return new String(decryptedData);

            return new String(decryptedData);
        } catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException | IllegalBlockSizeException
                | BadPaddingException ex) {
            Logger.getLogger(Crypt.class.getName()).log(Level.SEVERE, null, ex);
        }

        return null;
    }
}