public static String decryptMoblie(String srcCode, String key) {
String decCode = "";
try {
DES des = new DES(key);
decCode = des.decrypt(srcCode);
} catch (Exception e) {
logger.error(e.getMessage());
}
return decCode;
}
// 密码生成
public static void main(String[] args) throws ErrMessage {
DES des = new DES();
String password = "******";
String id = "admin";
password = MD5.MD5(password);
id = MD5.MD5(id);
System.out.println(password);
// 2.3DES加密
password = des.enc3DES(id, password);
System.out.println("密码:" + password);
System.out.println("MD5:" + des.dec3DES(id, password));
}
public static String getSolution(String sa0, int ia0) {
String subKey = Utils.paddTo("0", 48);
String b = DES.IP(sa0);
String l = DES.getL(b);
String r = DES.getR(b);
for (int i = 0; i < ia0; i++) {
String tmpR = r;
r = DES.feistel(r, subKey);
r = Utils.XOR(l, r);
l = tmpR;
}
return r;
}
/**
* 以行为单位读取文件，进行解码
*
* @throws Exception
*/
public static void readFileByLines(String fileName) throws Exception {
File file = new File(fileName);
BufferedReader reader = null;
try {
System.out.println("以行为单位读取文件内容，一次读一整行：");
reader = new BufferedReader(new FileReader(file));
String tempString = null;
int line = 1;
// 一次读入一行，直到读入null为文件结束
while ((tempString = reader.readLine()) != null) {
String uid = DES.decryptDES(KEY, replaceVVUID(tempString)).trim();
System.out.println("line " + line + ": " + uid);
line++;
}
reader.close();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e1) {
}
}
}
}
public Object makeKey(byte[] kb, int bs) throws InvalidKeyException {
if (kb.length != KEY_SIZE) throw new InvalidKeyException("TripleDES key must be 24 bytes");
if (!isParityAdjusted(kb, 0)) adjustParity(kb, 0);
byte[] k1 = new byte[DES.KEY_SIZE], k2 = new byte[DES.KEY_SIZE], k3 = new byte[DES.KEY_SIZE];
System.arraycopy(kb, 0, k1, 0, DES.KEY_SIZE);
System.arraycopy(kb, DES.KEY_SIZE, k2, 0, DES.KEY_SIZE);
System.arraycopy(kb, 2 * DES.KEY_SIZE, k3, 0, DES.KEY_SIZE);
Context ctx = new Context();
ctx.k1 = (DES.Context) des.makeKey(k1, bs);
ctx.k2 = (DES.Context) des.makeKey(k2, bs);
ctx.k3 = (DES.Context) des.makeKey(k3, bs);
return ctx;
}
public static void main(String[] args) throws Exception {
// File directory = new File("");// 参数为空
// String courseFile = directory.getCanonicalPath() +
// File.separator+"vvtrackeruid.txt";
// System.out.println(courseFile);
//
// try {
// readFileByLines(courseFile);
// } catch (Exception e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
String uid =
DES.decryptDES(
key2,
replaceVVUID("H4sIAAAAAAAAA6WRubaiQABEc75icgKgu2kgmKBFNgWkAYFHxtYsPkRxAf3658x8"))
.trim();
System.out.println(uid);
}
/**
* Service.
*
* @param o the o
* @param session the session
*/
void service(IoBuffer o, IoSession session) {
try {
// System.out.println(o.remaining() + "/" + o.capacity());
session.setAttribute("last", System.currentTimeMillis());
SimpleIoBuffer in = (SimpleIoBuffer) session.getAttribute("buf");
if (in == null) {
in = SimpleIoBuffer.create(4096);
session.setAttribute("buf", in);
}
byte[] data = new byte[o.remaining()];
o.get(data);
in.append(data);
// log.debug("recv: " + data.length + ", " +
// session.getRemoteAddress());
while (in.length() > 5) {
in.mark();
/**
* Byte 1: head of the package<br>
* bit 7-6: "01", indicator of MDC<br>
* bit 5: encrypt indicator, "0": no; "1": encrypted<br>
* bit 4: zip indicator, "0": no, "1": ziped<br>
* bit 0-3: reserved<br>
* Byte 2-5: length of data<br>
* Byte[…]: data array<br>
*/
byte head = in.read();
/** test the head indicator, if not correct close it */
if ((head & 0xC0) != 0x40) {
log.info("flag is not correct! flag:" + head + ",from: " + session.getRemoteAddress());
session.close(true);
return;
}
int len = in.getInt();
if (len <= 0 || len > MAX_SIZE) {
log.error(
"mdcconnector.Wrong lendth: "
+ len
+ "/"
+ MAX_SIZE
+ " - "
+ session.getRemoteAddress());
session.close(true);
break;
}
if (in.length() < len) {
in.reset();
break;
} else {
// do it
// log.info("stub.package.size: " + len);
byte[] b = new byte[len];
in.read(b);
if (TConn.DEBUG) {
log.debug("recv: " + Bean.toString(b));
}
/** test the zip flag */
if ((head & 0x10) > 0) {
b = Zip.unzip(b);
}
final TConn d = (TConn) session.getAttribute("conn");
if (d != null) {
/** test the encrypted flag */
if ((head & 0x20) > 0) {
b = DES.decode(b, d.deskey);
}
final byte[] bb = b;
/** test if the packet is for mdc or app */
new WorkerTask() {
@Override
public void onExecute() {
d.process(bb);
}
}.schedule(0);
session.setAttribute("last", System.currentTimeMillis());
}
}
}
} catch (Throwable e) {
log.error("closing stub: " + session.getRemoteAddress(), e);
session.close(true);
}
}
String lameDecrypt(String ciphertext) {
return DES.lameDecrypt(ciphertext, null);
}
String lameEncrypt(String plaintext) {
return DES.lameEncrypt(plaintext, null);
}
public void decrypt(byte[] in, int i, byte[] out, int o, Object K, int bs) {
byte[] temp = new byte[BLOCK_SIZE];
des.decrypt(in, i, temp, 0, ((Context) K).k3, bs);
des.encrypt(temp, 0, temp, 0, ((Context) K).k2, bs);
des.decrypt(temp, 0, out, o, ((Context) K).k1, bs);
}
/**
* Tests if a byte array has already been parity adjusted.
*
* @param kb The key bytes to test.
* @param offset The starting offset into the key bytes.
* @return <code>true</code> if the bytes in <i>kb</i> starting at <i>offset</i> are parity
* adjusted.
* @see DES#isParityAdjusted(byte[],int)
* @see #adjustParity(byte[],int)
*/
public static boolean isParityAdjusted(byte[] kb, int offset) {
return DES.isParityAdjusted(kb, offset)
&& DES.isParityAdjusted(kb, offset + 8)
&& DES.isParityAdjusted(kb, offset + 16);
}
/**
* Transform a key so it will be parity adjusted.
*
* @param kb The key bytes to adjust.
* @param offset The starting offset into the key bytes.
* @see DES#adjustParity(byte[],int)
*/
public static void adjustParity(byte[] kb, int offset) {
DES.adjustParity(kb, offset);
DES.adjustParity(kb, offset + 8);
DES.adjustParity(kb, offset + 16);
}
