Master of Science thesis Fighting Spam

}
System.out.println();
private static void testRSA() throws Exception
{
System.out.println("\nTest RSA...");
SecretKey sessionKey = generateAESKey();
Key publicKey = open("distributer_RSA_public");
Debugger.debug(className, 3, "Key before: " + sessionKey);
CryptoPacket encrypted = encryptRSA(sessionKey, publicKey);
Debugger.debug(className, 3,
"Key after : " + sessionKey.equals(decryptRSA(encrypted,
open("distributer_RSA_private"))));
Debugger.debug(className, 3, "\nTest RSA Done.\n");
}
private static void testAES() throws Exception
{
SecretKey key = generateAESKey();
}
NetPacket np = new LogonPacket("Kurt", "password1");
System.out.println("Encrypting...");
CryptoPacket cp = encryptAES(np, key);
System.out.println("Decrypting...");
NetPacket np2 = decryptAES(cp, key);
System.out.println("Passed test?: " + np.equals((LogonPacket) np2));
System.out.println("Pack 1: " + np);
System.out.println("Pack 2: " + np2);
public void testSafe() throws Exception
{
System.out.println("\nTest AES...");
SecretKey sessionKey = generateAESKey();
Coin vc1 = new Coin(3.3, 1243432, System.currentTimeMillis(), 10, null, null);
Coin vc2 = new Coin(3.3, 12432, System.currentTimeMillis(), 10, null, null);
Coin vc3 = new Coin(3.3, 12434, System.currentTimeMillis(), 10, null, null);
Coin vc4 = new Coin(3.3, 1232, System.currentTimeMillis(), 10, null, null);
}
Vector box = new Vector();
box.addElement(vc1);
box.addElement(vc2);
box.addElement(vc3);
box.addElement(vc4);
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(byteStream);
out.writeObject(box);
public static CryptoPacket encryptRSA(SecretKey sessionKey, Key key) throws Exception
{
return new CryptoPacket(encryptRSA(sessionKey.getEncoded(), key));
}
public static byte[] encryptRSA(byte[] data, Key key) throws Exception
{
Cipher encryptCipher = Cipher.getInstance("RSA/ECB/PKCS1Padding", "BC");
encryptCipher.init(Cipher.ENCRYPT_MODE, key);
return encryptCipher.doFinal(data);
}
public static SecretKey decryptRSA(CryptoPacket cp, Key key) throws Exception
{
return(SecretKey)new SecretKeySpec(decryptRSA(cp.data, key), "AES");
}
393