public byte[] xtsBlockDecrypt(byte[] cipher, int j) {
byte[] cc = xor(cipher, tTable[j]);
aes.setKey(key1);
byte[] pp = aes.decrypt(cc);
byte[] pj = xor(pp, tTable[j]);
return pj;
}
public static String decrypt(
final String text, final String password, final byte[] salt, final byte[] iv) {
final byte[] encryptedData = CryptoHelper.base64Decode(text);
final byte[] data =
AES.decrypt(
encryptedData, password, salt, iv, AES.KEY_SIZE_DEFAULT, AES.ITERATION_COUNT_DEFAULT);
return CryptoHelper.getString(data);
}
public static byte[] decrypt(
final byte[] data,
final String password,
final byte[] salt,
final byte[] iv,
final int keySize) {
return AES.decrypt(data, password, salt, iv, keySize, AES.ITERATION_COUNT_DEFAULT);
}
public static byte[] decrypt(final byte[] data, final String password) {
return AES.decrypt(
data,
password,
AES.getSimpleSalt(),
AES.getSimpleIV(),
AES.KEY_SIZE_DEFAULT,
AES.ITERATION_COUNT_DEFAULT);
}
public void run() {
while (true) {
try {
String msg = streamIn.readUTF();
client.handle(AES.decrypt(msg, enc_key));
} catch (IOException ioe) {
JOptionPane.showMessageDialog(
null, ioe.getMessage(), "Listening Error!", JOptionPane.ERROR_MESSAGE);
client.stop();
} catch (Exception ex) {
JOptionPane.showMessageDialog(null, ex.getMessage(), "Error!", JOptionPane.ERROR_MESSAGE);
client.stop();
}
}
}
@Test
public void test()
throws NoSuchAlgorithmException, InvalidKeyException, NoSuchPaddingException,
IllegalBlockSizeException, BadPaddingException, InvalidKeySpecException,
UnsupportedEncodingException, InvalidAlgorithmParameterException {
String data1 = "阿迪是发送发达撒地方";
String key = "ABCDABCDABCDABCD12";
System.out.println("原数据为：" + data1);
System.out.println("密匙为：" + key);
String data2 = AES.encrypt(key, data1, AES.ALGORITHM_ECB);
System.out.println("加密后数据为：" + data2);
String data3 = AES.decrypt(key, data2, AES.ALGORITHM_ECB);
System.out.println("解密后数据为：" + data3);
Assert.assertEquals(data1, data3);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == j1) {
System.exit(0);
}
if (e.getSource() == j2) {
try {
InetAddress ia = InetAddress.getLocalHost();
String ip = ia.getHostAddress();
String name = JOptionPane.showInputDialog("Enter Your name");
String owner = JOptionPane.showInputDialog("Enter Owner Name");
String[] csname = {"Select Cloud Server", "CS1", "CS2", "CS3"};
String ip1 = JOptionPane.showInputDialog("Enter cloud Ip address");
String cloudname =
(String)
JOptionPane.showInputDialog(
null,
"Select Cloud Server",
"CloudName",
JOptionPane.QUESTION_MESSAGE,
null,
csname,
csname[0]);
if (cloudname.equalsIgnoreCase("CS1")) {
Socket sc = new Socket(ip1, 302);
DataOutputStream dout = new DataOutputStream(sc.getOutputStream());
dout.writeUTF("check");
dout.writeUTF(name);
dout.writeUTF(owner);
dout.writeUTF(ip);
DataInputStream din = new DataInputStream(sc.getInputStream());
String msg = din.readUTF();
if (msg.equalsIgnoreCase("success")) {
String filename1 = JOptionPane.showInputDialog("Enter the filename");
String sec = JOptionPane.showInputDialog("Enter secretkey");
Socket sc1 = new Socket(ip1, 302);
DataOutputStream dout1 = new DataOutputStream(sc1.getOutputStream());
dout1.writeUTF("download");
dout1.writeUTF(name);
dout1.writeUTF(owner);
dout1.writeUTF(filename1);
dout1.writeUTF(sec);
dout1.writeUTF(ip);
DataInputStream oin = new DataInputStream(sc1.getInputStream());
String msg1 = oin.readUTF();
System.out.println(msg1);
if (msg1.equalsIgnoreCase("success")) {
System.out.println("success");
AES a3 = new AES();
String data1 = oin.readUTF();
String data = a3.decrypt(data1, keyword);
tf.setText(data);
PrintStream p = new PrintStream("user/" + filename1);
p.write(data.getBytes());
JOptionPane.showMessageDialog(null, "FileDownloaded Successfully");
int i =
JOptionPane.showConfirmDialog(null, "Do you want to open file Downloaded Folder");
if (i == 0) {
File f = new File("user");
Desktop desktop = Desktop.getDesktop();
desktop.open(f);
} else if (i == 1) {
}
} else if (msg1.equalsIgnoreCase("failure")) {
JOptionPane.showMessageDialog(
null, "you are trying to attack the file, You are Automatically blocked");
} else if (msg1.equalsIgnoreCase("not")) {
JOptionPane.showMessageDialog(null, "File Not Found in Cloud Server");
}
} else if (msg.equalsIgnoreCase("block")) {
JOptionPane.showMessageDialog(
null, "You are Curently blocked ..!!!! \n To access Contact Cloud Server");
} else if (msg.equalsIgnoreCase("unblock")) {
JOptionPane.showMessageDialog(null, "Remote user not Registered in Cloud Server");
}
} else if (cloudname.equalsIgnoreCase("CS2")) {
Socket sc = new Socket(ip1, 352);
DataOutputStream dout = new DataOutputStream(sc.getOutputStream());
dout.writeUTF("check");
dout.writeUTF(name);
dout.writeUTF(owner);
dout.writeUTF(ip);
DataInputStream din = new DataInputStream(sc.getInputStream());
String msg = din.readUTF();
if (msg.equalsIgnoreCase("success")) {
String filename1 = JOptionPane.showInputDialog("Enter the filename");
String sec = JOptionPane.showInputDialog("Enter secretkey");
// String ip1=JOptionPane.showInputDialog("Enter cloud Ip address");
Socket sc1 = new Socket(ip1, 352);
DataOutputStream dout1 = new DataOutputStream(sc1.getOutputStream());
dout1.writeUTF("download");
dout1.writeUTF(name);
dout1.writeUTF(owner);
dout1.writeUTF(filename1);
dout1.writeUTF(sec);
dout1.writeUTF(ip);
DataInputStream oin = new DataInputStream(sc1.getInputStream());
String msg1 = oin.readUTF();
System.out.println(msg1);
if (msg1.equalsIgnoreCase("success")) {
System.out.println("success");
AES a3 = new AES();
String data1 = oin.readUTF();
String data = a3.decrypt(data1, keyword);
tf.setText(data);
PrintStream p = new PrintStream("user/" + filename1);
p.write(data.getBytes());
JOptionPane.showMessageDialog(null, "FileDownloaded Successfully");
int i =
JOptionPane.showConfirmDialog(null, "Do you want to open file Downloaded Folder");
if (i == 0) {
File f = new File("user");
Desktop desktop = Desktop.getDesktop();
desktop.open(f);
} else if (i == 1) {
}
} else if (msg1.equalsIgnoreCase("failure")) {
JOptionPane.showMessageDialog(
null, "you are trying to attack the file, You are Automatically blocked");
} else if (msg1.equalsIgnoreCase("not")) {
JOptionPane.showMessageDialog(null, "File Not Found in Cloud Server");
}
} else if (msg.equalsIgnoreCase("block")) {
JOptionPane.showMessageDialog(
null, "You are Curently blocked ..!!!! \n To access Contact Cloud Server");
} else if (msg.equalsIgnoreCase("unblock")) {
JOptionPane.showMessageDialog(null, "Remote user not Registered in Cloud Server");
}
} else if (cloudname.equalsIgnoreCase("CS3")) {
Socket sc = new Socket(ip1, 362);
DataOutputStream dout = new DataOutputStream(sc.getOutputStream());
dout.writeUTF("check");
dout.writeUTF(name);
dout.writeUTF(owner);
dout.writeUTF(ip);
DataInputStream din = new DataInputStream(sc.getInputStream());
String msg = din.readUTF();
if (msg.equalsIgnoreCase("success")) {
String filename1 = JOptionPane.showInputDialog("Enter the filename");
String sec = JOptionPane.showInputDialog("Enter secretkey");
// String ip1=JOptionPane.showInputDialog("Enter cloud Ip address");
Socket sc1 = new Socket(ip1, 362);
DataOutputStream dout1 = new DataOutputStream(sc1.getOutputStream());
dout1.writeUTF("download");
dout1.writeUTF(name);
dout1.writeUTF(owner);
dout1.writeUTF(filename1);
dout1.writeUTF(sec);
dout1.writeUTF(ip);
DataInputStream oin = new DataInputStream(sc1.getInputStream());
String msg1 = oin.readUTF();
System.out.println(msg1);
if (msg1.equalsIgnoreCase("success")) {
System.out.println("success");
AES a3 = new AES();
String data1 = oin.readUTF();
String data = a3.decrypt(data1, keyword);
tf.setText(data);
PrintStream p = new PrintStream("user/" + filename1);
p.write(data.getBytes());
JOptionPane.showMessageDialog(null, "FileDownloaded Successfully");
int i =
JOptionPane.showConfirmDialog(null, "Do you want to open file Downloaded Folder");
if (i == 0) {
File f = new File("user");
Desktop desktop = Desktop.getDesktop();
desktop.open(f);
} else if (i == 1) {
}
} else if (msg1.equalsIgnoreCase("failure")) {
JOptionPane.showMessageDialog(
null, "you are trying to attack the file, You are Automatically blocked");
} else if (msg1.equalsIgnoreCase("not")) {
JOptionPane.showMessageDialog(null, "File Not Found in Cloud Server");
}
} else if (msg.equalsIgnoreCase("block")) {
JOptionPane.showMessageDialog(
null, "You are Curently blocked ..!!!! \n To access Contact Cloud Server");
} else if (msg.equalsIgnoreCase("unblock")) {
JOptionPane.showMessageDialog(null, "Remote user not Registered in Cloud Server");
}
}
} catch (Exception e1) {
e1.printStackTrace();
}
}
if (e.getSource() == j3) {
try {
String owner = JOptionPane.showInputDialog("Enter Owner Name");
String fname = JOptionPane.showInputDialog("Enter File Name");
String[] csname = {"Select Cloud Server", "CS1", "CS2", "CS3"};
String cloudname =
(String)
JOptionPane.showInputDialog(
null,
"Select Cloud Server",
"CloudName",
JOptionPane.QUESTION_MESSAGE,
null,
csname,
csname[0]);
String ip = JOptionPane.showInputDialog(null, "Enter Cloud Server IP Address");
if (cloudname.equalsIgnoreCase("CS1")) {
Socket sc = new Socket(ip, 1717);
DataOutputStream dout = new DataOutputStream(sc.getOutputStream());
dout.writeUTF(owner);
dout.writeUTF(fname);
dout.writeUTF(cloudname);
DataInputStream din = new DataInputStream(sc.getInputStream());
String msg = din.readUTF();
if (msg.equalsIgnoreCase("success")) {
JOptionPane.showMessageDialog(null, "Note Down Your Secrete Key :" + din.readUTF());
} else if (msg.equalsIgnoreCase("failure")) {
JOptionPane.showMessageDialog(null, "File not found in cloud server");
}
} else if (cloudname.equalsIgnoreCase("CS2")) {
Socket sc = new Socket(ip, 1717);
DataOutputStream dout = new DataOutputStream(sc.getOutputStream());
dout.writeUTF(owner);
dout.writeUTF(fname);
dout.writeUTF(cloudname);
DataInputStream din = new DataInputStream(sc.getInputStream());
String msg = din.readUTF();
if (msg.equalsIgnoreCase("success")) {
JOptionPane.showMessageDialog(null, "Note Down Your Secrete Key :" + din.readUTF());
} else if (msg.equalsIgnoreCase("failure")) {
JOptionPane.showMessageDialog(
null, "you are trying to attack the file, You are Automatically blocked");
}
} else if (cloudname.equalsIgnoreCase("CS3")) {
Socket sc = new Socket(ip, 1717);
DataOutputStream dout = new DataOutputStream(sc.getOutputStream());
dout.writeUTF(owner);
dout.writeUTF(fname);
dout.writeUTF(cloudname);
DataInputStream din = new DataInputStream(sc.getInputStream());
String msg = din.readUTF();
if (msg.equalsIgnoreCase("success")) {
JOptionPane.showMessageDialog(null, "Note Down Your Secrete Key :" + din.readUTF());
} else if (msg.equalsIgnoreCase("failure")) {
JOptionPane.showMessageDialog(
null, "you are trying to attack the file, You are Automatically blocked");
}
}
} catch (Exception e1) {
e1.printStackTrace();
}
}
}
public static String decrypt(final String text, final String password, final byte[] salt) {
return AES.decrypt(text, password, salt, AES.getSimpleIV());
}
public static String decrypt(final String text, final String password) {
return AES.decrypt(text, password, AES.getSimpleSalt(), AES.getSimpleIV());
}
public static byte[] decrypt(
final byte[] data, final String password, final byte[] salt, final byte[] iv) {
return AES.decrypt(
data, password, salt, iv, AES.KEY_SIZE_DEFAULT, AES.ITERATION_COUNT_DEFAULT);
}