public byte[] request_controlword(byte[] cardstring)
{
byte[] key1 = new byte[8];
byte[] key2 = new byte[8];
byte[] cw = new byte[16];
Form1 cardcomm = new Form1();
CardSimples cardcrypt = new CardSimples();
//Form1 cardcomm = new Form1();
cardcomm.com.Output = cardstring;
System.Threading.Thread.Sleep(150);
availableBytes = cardcomm.com.InBufferCount;
indata = (byte[]) cardcomm.com.Input;
if((indata[2]==0x9D) && (indata[3]==0x00))
{
Array.Copy(indata,14,key1,0,8);
Array.Copy(indata,22,key2,0,8);
cardcrypt.ReverseSessionKeyCrypt(cardcomm.CamKey,key1);
cardcrypt.ReverseSessionKeyCrypt(cardcomm.CamKey,key2);
Array.Copy(key1,0,cw,0,8);
Array.Copy(key2,0,cw,8,8);
}
return cw;
}
public byte[] generate_cardrequest(byte[] message)
{
/* | | | | | | | | | |
* 00 54 C4 2C 0F F1 BA 6F 00 14 17 22 00 00 00 00 F0 14 DD 40
* first byte is mode: 00=> ECM, 02=>EMM
* second byte is lengh of data (ECM,EMM)
* third and fourth byte are fillers
* next 4 bytes are crc-checksum of data (ECM,EMM)
* next 2 bytes is Channel-ID (important for later "Abos")
* then comes Provider-ID (Cable or Sattelite)
* some 4 Byte crap (always zero) ...
*/
int ChID = 0x0000;
byte[] PID = new byte[2];
byte[] ECM = new byte[85];
byte[] modECM = { 0x01,0x05,0x00,0x00,0x02,0x4E };
ChID = (message[8]<<8) + message[9];
Array.Copy(message,10,PID,0,2);
Array.Copy(message,20,ECM,0,84);
Array.Copy(modECM,0,ECM,0,6);
CardSimples xorbyte = new CardSimples();
ECM[84] = xorbyte.XorSum(ECM,84);
return ECM;
}
