public void addCharacter(string charName, int charId, int status, int serverId)
{
byte[] charNameB = new byte[charName.Length + 3];
byte[] hexSize = NumericalUtils.uint16ToByteArray((UInt16)(charName.Length + 1), 1);
charNameB[0] = hexSize[0];
charNameB[1] = hexSize[1];
charNameB[charName.Length + 2] = 0x00;
for (int i = 0; i < charName.Length; i++)
{
charNameB[2 + i] = (byte)charName[i];
}
byte[] charDataB = new byte[14];
byte[] charIdB = NumericalUtils.uint32ToByteArray((UInt32)charId, 1);
charDataB[3] = charIdB[0];
charDataB[4] = charIdB[1];
charDataB[5] = charIdB[2];
charDataB[6] = charIdB[3];
charDataB[9] = 0x00;
charDataB[10] = (byte)status;
charDataB[11] = 0x00;
charDataB[12] = (byte)serverId;
numChars++; // Lets say we have done one ;)
int offset = 0;
// Use formula to calculate offset here
offset = 14 + (14 * (totalChars - numChars));
if (numChars == 1)
{
offset += 0;
}
else
{
offset += charNames.getSize();
}
// End of formula
byte[] offsetH = NumericalUtils.uint16ToByteArray((UInt16)offset, 1);
charDataB[1] = offsetH[0];
charDataB[2] = offsetH[1];
// After all calculations, append it to the dynamic arrays
charData.append(charDataB);
charNames.append(charNameB);
}
public byte[] encrypt(byte[] packet)
{
// Get timestamp
byte[] timestamp = TimeUtils.getUnixTime();
// get size
int psize = packet.Length;
byte[] size = NumericalUtils.uint16ToByteArray((UInt16)psize,1);
//showPacket(size, " Size ");
// final Packet
DynamicArray temp = new DynamicArray();
temp.append(size);
temp.append(timestamp);
temp.append(packet);
// compute CRC32
byte[] crc32pax = crc32.checksumB(temp.getBytes(),1);
// Padding
int totalLength = temp.getSize() + 4;
int padding = 16 - (totalLength % 16);
byte[] paddingBytes = new byte[padding];
for (int i = 0; i < padding; i++)
{
paddingBytes[i] = (byte)padding;
}
temp.append(paddingBytes);
tf.setIV(IV);
tf.setKey(TF_Key);
// We init with 2 more than needed, so no memory reservation is done on dyn array
DynamicArray finalPlainData = new DynamicArray();
finalPlainData.append(crc32pax);
finalPlainData.append(temp.getBytes());
temp = null; // Cleaning the house
byte[] encryptedData = new byte[finalPlainData.getSize()];
tf.encrypt(finalPlainData.getBytes(),encryptedData);
finalPlainData = null; // Cleaning the house (2)
// add IV before the results
DynamicArray response = new DynamicArray();
response.append(IV);
response.append(encryptedData);
// Display HEX Values after Encryption
return response.getBytes();
}
public byte[] encrypt(byte[] packet)
{
// Get timestamp
byte[] timestamp = TimeUtils.getUnixTime();
// get size
int psize = packet.Length;
byte[] size = NumericalUtils.uint16ToByteArray((UInt16)psize, 1);
//showPacket(size, " Size ");
// final Packet
DynamicArray temp = new DynamicArray();
temp.append(size);
temp.append(timestamp);
temp.append(packet);
// compute CRC32
byte[] crc32pax = crc32.checksumB(temp.getBytes(), 1);
// Padding
int totalLength = temp.getSize() + 4;
int padding = 16 - (totalLength % 16);
byte[] paddingBytes = new byte[padding];
for (int i = 0; i < padding; i++)
{
paddingBytes[i] = (byte)padding;
}
temp.append(paddingBytes);
tf.setIV(IV);
tf.setKey(TF_Key);
// We init with 2 more than needed, so no memory reservation is done on dyn array
DynamicArray finalPlainData = new DynamicArray();
finalPlainData.append(crc32pax);
finalPlainData.append(temp.getBytes());
temp = null; // Cleaning the house
byte[] encryptedData = new byte[finalPlainData.getSize()];
tf.encrypt(finalPlainData.getBytes(), encryptedData);
finalPlainData = null; // Cleaning the house (2)
// add IV before the results
DynamicArray response = new DynamicArray();
response.append(IV);
response.append(encryptedData);
// Display HEX Values after Encryption
return(response.getBytes());
}
public int getTotalSize()
{
// We also add the 2 length bytes
return(worlds.getSize() + 2);
}
public int getPackLength()
{
// We will count the 2bytes of content size too ;)
return(charNames.getSize() + charData.getSize() + 2);
}