public void parseDRM(byte[] byteData, int drmCount, List <byte[]> pidList)
{
byte[] keyVec1 = new byte[] { 0x72, 0x38, 0x33, (byte)0xB0, (byte)0xB4, (byte)0xF2, (byte)0xE3, (byte)0xCA, (byte)0xDF, 0x09, 0x01, (byte)0xD6, (byte)0xE2, (byte)0xE0, 0x3F, (byte)0x96 };
foreach (byte[] pid in pidList)
{
byte[] bigpid = new byte[16];
for (int i = 0; i < 16; i++)
{
bigpid[i] = 0x00;
}
for (int i = 0; i < pid.Count(); i++)
{
bigpid[i] = pid[i];
}
byte[] tempKey = PK1Enc(bigpid, keyVec1);
int tempKeySum = 0;
for (int i = 0; i < tempKey.Count(); i++)
{
tempKeySum += tempKey[i];
}
tempKeySum = tempKeySum & 0xFF;
ArraySlice data = new ArraySlice(byteData);
for (int i = 0; i < drmCount; i++)
{
int verification = (int)data.getLong(i * 0x30);
int size = (int)data.getLong(i * 0x30 + 4);
int type = (int)data.getLong(i * 0x30 + 8);
int chkSum = (int)data.getByte(i * 0x30 + 12) & 0xFF;
byte[] cookie = data.byteSlice(i * 0x30 + 16, 32);
if (chkSum == tempKeySum)
{
Debug.WriteLine("Cookie: " + bytesToHex(cookie) + " Found at DRMCount: " + i);
Debug.WriteLine("Temp Key: " + bytesToHex(tempKey));
cookie = PK1Dec(cookie, tempKey, true);
Debug.WriteLine("Decrypted Cookie: " + bytesToHex(cookie) + " Found at DRMCount: " + i);
ArraySlice slice = new ArraySlice(cookie);
int ver = (int)slice.getLong();
int flags = (int)slice.getLong();
int finalkey = (int)slice.getLong();
if (verification == ver && ((flags & 0x1F) > 0))
{
Debug.WriteLine("W00000T");
}
}
}
Debug.WriteLine("PID: " + Encoding.Default.GetString(pid));
Debug.WriteLine("HEX BIGPID: " + bytesToHex(bigpid));
Debug.WriteLine("Key Vec: " + bytesToHex(keyVec1));
Debug.WriteLine("Temp Key: " + bytesToHex(tempKey));
Debug.WriteLine("Dec Key: " + bytesToHex(PK1Dec(tempKey, keyVec1, false)));
Debug.WriteLine("\n\n");
}
}
public Section(ArraySlice slice)
{
offset = slice.getLong();
flags = slice.getByte();
val = (slice.getByte() << 16) | (slice.getByte() << 8) | (slice.getByte());
}