private bool validateMacAddress()
{
bool result = false;
string desDe = DESHasher.DESDecrypt(lic);
if (desDe.Length == 27)
{
string mac = desDe.Substring(15, 12);
ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapterConfiguration WHERE IPEnabled='TRUE'");
ManagementObjectCollection queryCol = query.Get();
foreach (ManagementObject mo in queryCol)
{
if (mo["MACAddress"].ToString().Replace(":", "").Equals(mac))
{
result = true;
break;
}
}
}
return(result);
}
private bool validateLic()
{
bool result = false;
string desDe = DESHasher.DESDecrypt(lic);
if (desDe.Length == 27)
{
string n1 = desDe.Substring(0, 2);
string n2 = desDe.Substring(10, 2);
string checkSumStr = desDe.Substring(6, 3);
int checkSumInt = Convert.ToInt32(checkSumStr);
int re = Convert.ToInt32(n1) + Convert.ToInt32(n2) + checkSumInt;
if (re.Equals(checkSum))
{
result = true;
}
}
return(result);
}
