private static int decryptStatus(byte[] status, int counter)
{
int ret = -1;
string s;
byte[] tempData = new byte[64];
byte[] decryptKey = Encoding.UTF8.GetBytes("----KEY_HERE----");
byte[] decryptIV = Encoding.UTF8.GetBytes("-----IV_HERE----");
int neg = -1;
decryptIV[(counter % 16)]++;
Aes128CounterMode amD;
ICryptoTransform ictD;
amD = new Aes128CounterMode(decryptIV);
ictD = amD.CreateDecryptor(decryptKey, null);
ictD.TransformBlock(status, 0, 64, tempData, 0);
s = System.Text.Encoding.UTF8.GetString(tempData);
neg = s.IndexOf("-");
if (neg != -1)
{
Int32.TryParse(s.Substring(neg), out ret);
}
else
{
Int32.TryParse(s, out ret);
}
return(ret);
}
private static byte[] decryptData(byte[] data, int counter)
{
string s;
byte[] decrypted = new byte[1024];
byte[] decryptKey = Encoding.UTF8.GetBytes("----KEY_HERE----");
byte[] decryptIV = Encoding.UTF8.GetBytes("-----IV_HERE----");
decryptIV[(counter % 16)]++;
Aes128CounterMode amD;
ICryptoTransform ict;
amD = new Aes128CounterMode(decryptIV);
ict = amD.CreateDecryptor(decryptKey, null);
ict.TransformBlock(data, 0, 1024, decrypted, 0);
s = System.Text.Encoding.UTF8.GetString(decrypted);
return(decrypted);
}