public static Boolean CheckLicense()
{
_signature = SignatureHandler.GetSignature();
const string fileName = @"License\license.lic";
try
{
// Create the reader for data.
var fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
var r = new BinaryReader(fs);
// Read data from Test.data.
SignatureStored = r.ReadString();
LicenseOwnerName = r.ReadString();
LicenseCreationTime = r.ReadString();
_personalSignatureStored = r.ReadString();
r.Close();
fs.Close();
}
catch (Exception)
{
Logger.Log("License file does not exist");
MessageBox.Show("License file does not exist", "License ");
return false;
}
_blowFishEncryptor = new BlowFish(HexKey.PersonalSignatureValue);
_personalSignatureStored = _blowFishEncryptor.Decrypt_CTR(_personalSignatureStored);
_blowFishEncryptor = new BlowFish(HexKey.SignatureValue);
if (Equals(LicenseOwnerName + LicenseCreationTime, _blowFishEncryptor.Decrypt_CTR(_personalSignatureStored)))
{
if (Equals(_signature, _blowFishEncryptor.Decrypt_CTR(SignatureStored)))
{
Logger.Log("License verified. License owner: " + LicenseOwnerName + ", date: " + LicenseCreationTime);
return true;
}
}
Logger.Log("License is not valid");
MessageBox.Show("License is not valid", "License ");
return false;
}
private void SaveConfiguration(object sender, RoutedEventArgs e)
{
var dlg = new SaveFileDialog
{
FileName = "configuration",
DefaultExt = ".ttac",
Filter = "ttAgent Configuration (.ttac)|*.ttac"
};
var result = dlg.ShowDialog();
if (result == true)
{
Logger.Log("Saveing configuration to file: " + dlg.FileName);
var projectData = RegistryContext.Registry.SaveConfiguration();
IFormatter formatter = new BinaryFormatter();
var memoryStream = new MemoryStream();
formatter.Serialize(memoryStream, projectData);
var serializationString = new BlowFish(HexKey.ConfigurationSignatureValue).Encrypt_CTR(Convert.ToBase64String(memoryStream.ToArray()));
Stream stream = new FileStream(dlg.FileName,
FileMode.Create,
FileAccess.Write, FileShare.None);
formatter.Serialize(stream, serializationString);
stream.Close();
}
Logger.Log("Configuration saved");
}
private void LoadConfiguration(object sender, RoutedEventArgs e)
{
var dlg = new OpenFileDialog
{
DefaultExt = ".ttac",
Filter = "ttAgent Configuration (.ttac)|*.ttac"
};
var result = dlg.ShowDialog();
if (result == true)
{
Logger.Log("Loading configuration from file: " + dlg.FileName);
IFormatter formatter = new BinaryFormatter();
Stream stream = new FileStream(dlg.FileName,
FileMode.Open,
FileAccess.Read,
FileShare.Read);
var serializationString = (string)formatter.Deserialize(stream);
stream.Close();
serializationString = new BlowFish(HexKey.ConfigurationSignatureValue).Decrypt_CTR(serializationString);
// convert string to stream
var byteArray = Convert.FromBase64String(serializationString);
//byte[] byteArray = Encoding.ASCII.GetBytes(contents);
var memoryStream = new MemoryStream(byteArray);
var projectData = (ProjectFileStruture.ProjectSavedData)new BinaryFormatter().Deserialize(memoryStream);
RegistryContext.Registry.LoadConfiguration(projectData);
}
Logger.Log("Configuration loaded");
}
