aqJeEbbM

1import java.io.*;
2import javax.crypto.*;
3import java.util.*;
4import javax.crypto.spec.*;
5
6public class test
7{
8	public static void main( String[] args )
9	{
10		new test();
11	}
12	
13	public String user = "";
14	public String pass = "";
15
16	public test()
17	{
18		readUsername();
19		System.out.println( user + " " + pass );
20	}
21
22
23	private void readUsername() 
24	{
25		try 
26		{
27			File lastLogin = new File( "./lastlogin" );
28			Cipher cipher = getCipher( 2, "passwordfile" );
29			DataInputStream dis;
30			if ( cipher != null )
31				dis = new DataInputStream( new CipherInputStream( new FileInputStream(lastLogin), cipher ) );
32			else 
33			{
34				dis = new DataInputStream( new FileInputStream( lastLogin ) );
35			}
36			user = dis.readUTF();
37			pass = dis.readUTF();
38			dis.close();
39		} 
40		catch (Exception e) 
41		{
42		  e.printStackTrace();
43		}
44	}
45
46	private Cipher getCipher(int mode, String password) throws Exception 
47	{
48		Random random = new Random(43287234L);
49		byte[] salt = new byte[8];
50		random.nextBytes(salt);
51		PBEParameterSpec pbeParamSpec = new PBEParameterSpec(salt, 5);
52
53		SecretKey pbeKey = SecretKeyFactory.getInstance("PBEWithMD5AndDES").generateSecret(new PBEKeySpec(password.toCharArray()));
54		Cipher cipher = Cipher.getInstance("PBEWithMD5AndDES");
55		cipher.init(mode, pbeKey, pbeParamSpec);
56		return cipher;
57	}
58}