xms-jboss4加密解密

[landv]

全部文件 >landv-电脑 >软件厂商系统

package main;

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;


public class Main  {

    private static String encode(String paramString) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException, InvalidAlgorithmParameterException {
        byte[] arrayOfByte1 = "xxx".getBytes();
        SecretKeySpec secretKeySpec = new SecretKeySpec(arrayOfByte1, "AES");
        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
        IvParameterSpec ivParameterSpec = new IvParameterSpec(arrayOfByte1);
        cipher.init(1, secretKeySpec, ivParameterSpec);
        byte[] arrayOfByte2 = cipher.doFinal(paramString.getBytes());
        return byteToHex(arrayOfByte2);
    }

    private static String decode(String paramString) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException, InvalidAlgorithmParameterException {
        byte[] arrayOfByte1 = hexToByte(paramString);
        byte[] arrayOfByte2 = "xxxx".getBytes();
        SecretKeySpec secretKeySpec = new SecretKeySpec(arrayOfByte2, "AES");
        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
        IvParameterSpec ivParameterSpec = new IvParameterSpec(arrayOfByte2);
        cipher.init(2, secretKeySpec, ivParameterSpec);
        byte[] arrayOfByte3 = cipher.doFinal(arrayOfByte1);
        return new String(arrayOfByte3);
    }

    public static String byteToHex(byte[] paramArrayOfbyte) {
        if (paramArrayOfbyte == null)
            return null;
        StringBuilder stringBuilder = new StringBuilder(2 * paramArrayOfbyte.length);
        for (byte b : paramArrayOfbyte)
            stringBuilder.append("0123456789ABCDEF".charAt((b & 0xF0) >> 4)).append("0123456789ABCDEF".charAt(b & 0xF));
        return stringBuilder.toString();
    }

    public static byte[] hexToByte(String paramString) {
        int i = paramString.length();
        byte[] arrayOfByte = new byte[i / 2];
        for (byte b = 0; b < i; b += 2)
            arrayOfByte[b / 2] = (byte)((Character.digit(paramString.charAt(b), 16) << 4) + Character.digit(paramString.charAt(b + 1), 16));
        return arrayOfByte;
    }

    public static void main(String[] paramArrayOfString) throws Exception {
        String str = encode("xxx");
        System.out.println("Encoded password: " + str);
        System.out.println("fuck:"+decode("xxx"));
    }
}