nKSiZP7F

1	public static String EncryptString(String plaintext, String password) throws Exception{
2		// Create Key
3		byte key[] = password.getBytes();
4		DESKeySpec desKeySpec = new DESKeySpec(key);
5		SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
6		SecretKey secretKey = keyFactory.generateSecret(desKeySpec);
7
8		// Create Cipher
9		Cipher desCipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
10		desCipher.init(Cipher.ENCRYPT_MODE, secretKey);
11		
12		ByteArrayOutputStream baos = new ByteArrayOutputStream();
13		CipherOutputStream cos = new CipherOutputStream(baos, desCipher);
14		
15		cos.write(plaintext.getBytes());
16		cos.flush();
17		cos.close();
18		return baos.toString();
19	}
20
21	public static String DecryptString(String encryptedText, String password) throws Exception{
22		// Create Key
23		byte key[] = password.getBytes();
24		DESKeySpec desKeySpec = new DESKeySpec(key);
25		SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
26		SecretKey secretKey = keyFactory.generateSecret(desKeySpec);
27
28		// Create Cipher
29		Cipher desCipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
30		desCipher.init(Cipher.DECRYPT_MODE, secretKey);
31
32		ByteArrayInputStream bais = new ByteArrayInputStream(encryptedText.getBytes());
33		CipherInputStream cis = new CipherInputStream(bais, desCipher);
34		
35		byte[] read = new byte[desCipher.getOutputSize(encryptedText.getBytes().length)];
36		cis.read(read, 0, read.length);
37		cis.close();
38		
39		return new String(read);
40	}
41
42	public static void main(String args[]) throws Exception {
43		String plain = "Some DUDE thought he had swagger, but he didn't!";
44		System.out.println("Encrypting: " + plain);
45		String enc = EncryptString(plain, SymmetricCrypt.password);
46		System.out.println("Result: " + enc);
47		String dec = Decrypt.DecryptString(enc, SymmetricCrypt.password);
48		System.out.println("Decrypted to: " + dec);
49	}