Java XML Data Type Converter deCrypt(String property)

Description

de Crypt

License

Open Source License

Parameter

Parameter	Description
property	a parameter

Exception

Parameter	Description
NoSuchAlgorithmException	an exception
InvalidKeySpecException	an exception
NoSuchPaddingException	an exception
InvalidAlgorithmParameterException	an exception
InvalidKeyException	an exception
IOException	an exception
BadPaddingException	an exception
IllegalBlockSizeException	an exception

Return

decrypted string

Declaration

public static String deCrypt(String property) throws NoSuchAlgorithmException, InvalidKeySpecException,
        NoSuchPaddingException, InvalidAlgorithmParameterException, InvalidKeyException, IOException,
        BadPaddingException, IllegalBlockSizeException 

Method Source Code

//package com.java2s;
import javax.crypto.*;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;
import javax.xml.bind.DatatypeConverter;
import java.io.IOException;

import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;

public class Main {
    private static final char[] PASSWORD = "sadlqewcirunqiakjsfhiruqowncgiop".toCharArray();
    private static final byte[] SALT = { (byte) 0xdc, (byte) 0x43, (byte) 0x17, (byte) 0x92, (byte) 0xdd,
            (byte) 0x63, (byte) 0x20, (byte) 0x72, };

    /**/*ww  w  .j  a v  a2s.  co  m*/
     * @param property
     * @return decrypted string
     * @throws NoSuchAlgorithmException
     * @throws InvalidKeySpecException
     * @throws NoSuchPaddingException
     * @throws InvalidAlgorithmParameterException
     * @throws InvalidKeyException
     * @throws IOException
     * @throws BadPaddingException
     * @throws IllegalBlockSizeException
     */
    public static String deCrypt(String property) throws NoSuchAlgorithmException, InvalidKeySpecException,
            NoSuchPaddingException, InvalidAlgorithmParameterException, InvalidKeyException, IOException,
            BadPaddingException, IllegalBlockSizeException {
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
        SecretKey key = keyFactory.generateSecret(new PBEKeySpec(PASSWORD));
        Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
        pbeCipher.init(Cipher.DECRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
        return new String(pbeCipher.doFinal(DatatypeConverter.parseBase64Binary(property)), "UTF-8");
    }
}

Related

1. decode(String string, boolean decode)
2. decodeBasicAuth(String auth)
3. decodeJavaOpts(String encodedJavaOpts)
4. decodeToDoubleArray(String encoded)
5. decrypt(String encryptedText, String password)
6. deserializeFromString(String x)
7. deserializeLogic(String logicString)
8. encodeBasicHeader(final String username, final String password)
9. encodeDoubleArray(double[] noData)