public bool CheckLicense()
{
string _strFileName = Directory.GetCurrentDirectory() + @"\key.txt";
string[] lines = File.ReadAllLines(_strFileName);
string _licence = lines[0].ToString().Trim();
String MAC = NetworkInterface
.GetAllNetworkInterfaces()
.Where(nic => nic.OperationalStatus == OperationalStatus.Up && nic.NetworkInterfaceType != NetworkInterfaceType.Loopback)
.Select(nic => nic.GetPhysicalAddress().ToString())
.FirstOrDefault();
string tenMayTinh = Environment.MachineName.ToString();
string heDieuHanh = Environment.OSVersion.ToString();
string _key = "vietnam" + tenMayTinh + "_ncp." + heDieuHanh;
using (MD5 md5Hash = MD5.Create())
{
string hash = LicenceHelper.GetMd5Hash(md5Hash, _key);
hash = LicenceHelper.GetMd5Hash(md5Hash, hash + "_");
if (_licence == hash)
{
return(true);
}
else
{
return(false);
}
}
}
public string GetLicense(string key)
{
using (MD5 md5Hash = MD5.Create())
{
string hash = LicenceHelper.GetMd5Hash(md5Hash, key);
hash = LicenceHelper.GetMd5Hash(md5Hash, hash + "_");
hash = LicenceHelper.GetMd5Hash(md5Hash, "." + hash + ",");
return(hash);
}
}
public void GetLicense()
{
String MAC = NetworkInterface
.GetAllNetworkInterfaces()
.Where(nic => nic.OperationalStatus == OperationalStatus.Up && nic.NetworkInterfaceType != NetworkInterfaceType.Loopback)
.Select(nic => nic.GetPhysicalAddress().ToString())
.FirstOrDefault();
string tenMayTinh = Environment.MachineName.ToString();
string heDieuHanh = Environment.OSVersion.ToString();
string _key = "vietnam" + tenMayTinh + "_ncp." + heDieuHanh;
using (MD5 md5Hash = MD5.Create())
{
string hash = LicenceHelper.GetMd5Hash(md5Hash, _key);
hash = LicenceHelper.GetMd5Hash(md5Hash, hash + "_");
string[] lines = { hash };
string _strFileName = Directory.GetCurrentDirectory() + @"\key.txt";
System.IO.File.WriteAllLines(_strFileName, lines);
}
}