/// <summary>
/// Returns true if the current license permits use.
/// </summary>
/// <returns></returns>
private bool CheckLicense()
{
//Console.WriteLine("License={0} (length={1})", license.License, license.License.Length);
if (license.License == null || license.License.Length == 0)
{
if (!licenseNullMessageThrown)
{
licenseNullMessageThrown = true;
Console.WriteLine("{0} License Manager: No valid Product Key found.", productName);
}
return(false);
}
//Create byte arrays to hold id and signature.
UnicodeEncoding ByteConverter = new UnicodeEncoding();
byte[] hid = Encoding.Convert(Encoding.Unicode, Encoding.ASCII, ByteConverter.GetBytes(license.HardwareId));
byte[] lic;
try
{
lic = Convert.FromBase64String(license.License);
}
catch (FormatException)
{
Console.WriteLine("{0} License Manager: Error interpreting Product Key. Contact [email protected]", productName);
Console.WriteLine("{0} License Manager: HID: \"{1}\"", productName, license.HardwareId);
return(false);
}
using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
{
// Read the public key from the file.
//StreamReader sr = File.OpenText("keypair.xml");
//string xmlString = sr.ReadToEnd();
//sr.Close();
RSA.FromXmlString(Resource1.String1);
bool isValid = RSA.VerifyData(hid, "sha1", lic);
//bool isValid = RSA.VerifyData(hid, null, lic);
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, "Software/The Complot/" + productName);
if (isValid)
{
// Save the new valid license in the registry.
if (!regedit.Write("License", license.License))
{
Console.WriteLine("{0} License Manager: Error saving your license, you might need to enter it again the next time. Contact [email protected]", productName);
}
}
else
{
Console.WriteLine("{0} License Manager: The entered Product Key is not valid.", productName);
}
return(isValid);
}
}
internal override bool TryReadValue(out long value)
{
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, path);
String valueString = regedit.Read(Key);
// Check if the registry contains good data.
if (valueString != null && long.TryParse(valueString, out value))
{
return(true);
}
value = 0;
return(false);
}
internal override bool TryReadValue(out long value)
{
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, path);
String valueString = regedit.Read(Key);
// Check if the registry contains good data.
if (valueString != null && long.TryParse(valueString, out value))
{
return true;
}
value = 0;
return false;
}
} // Is trial
public GraphicsDeviceManager(String productName)
{
this.productName = productName;
// Initialize the current license status.
license = new GraphicsDevice(productName);
license.HardwareId = FindHardwareId();
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, "Software/The Complot/" + productName);
license.License = regedit.Read("License");
license.TimeEnabled = false;
// Listen for when the license becomes valid.
license.LicenseStatusChanged += new EventHandler(license_LicenseStatusChanged);
// No license written yet?
if (license.License == null)
{
license.License = String.Empty;
}
CheckLicense();
}
/// <summary>
/// Returns true if the current license permits use.
/// </summary>
/// <returns></returns>
private bool CheckLicense()
{
//Console.WriteLine("License={0} (length={1})", license.License, license.License.Length);
if (license.License == null || license.License.Length == 0)
{
if (!licenseNullMessageThrown)
{
licenseNullMessageThrown = true;
Console.WriteLine("{0} License Manager: No valid Product Key found.", productName);
}
return false;
}
//Create byte arrays to hold id and signature.
UnicodeEncoding ByteConverter = new UnicodeEncoding();
byte[] hid = Encoding.Convert(Encoding.Unicode, Encoding.ASCII, ByteConverter.GetBytes(license.HardwareId));
byte[] lic;
try
{
lic = Convert.FromBase64String(license.License);
}
catch (FormatException)
{
Console.WriteLine("{0} License Manager: Error interpreting Product Key. Contact [email protected]", productName);
Console.WriteLine("{0} License Manager: HID: \"{1}\"", productName, license.HardwareId);
return false;
}
using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
{
// Read the public key from the file.
//StreamReader sr = File.OpenText("keypair.xml");
//string xmlString = sr.ReadToEnd();
//sr.Close();
RSA.FromXmlString(Resource1.String1);
bool isValid = RSA.VerifyData(hid, "sha1", lic);
//bool isValid = RSA.VerifyData(hid, null, lic);
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, "Software/The Complot/" + productName);
if (isValid)
{
// Save the new valid license in the registry.
if (!regedit.Write("License", license.License))
Console.WriteLine("{0} License Manager: Error saving your license, you might need to enter it again the next time. Contact [email protected]", productName);
}
else
{
Console.WriteLine("{0} License Manager: The entered Product Key is not valid.", productName);
}
return isValid;
}
}
public GraphicsDeviceManager(String productName)
{
this.productName = productName;
// Initialize the current license status.
license = new GraphicsDevice(productName);
license.HardwareId = FindHardwareId();
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, "Software/The Complot/" + productName);
license.License = regedit.Read("License");
license.TimeEnabled = false;
// Listen for when the license becomes valid.
license.LicenseStatusChanged += new EventHandler(license_LicenseStatusChanged);
// No license written yet?
if (license.License == null)
{
license.License = String.Empty;
}
CheckLicense();
}
internal override bool HasBeenWrittenBefore()
{
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, path);
return(regedit.Read(Key) != null);
}
internal override bool TryWriteValue(long value)
{
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, path);
return(regedit.Write(Key, value.ToString()));
}
internal override bool TryWriteValue(long value)
{
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, path);
return regedit.Write(Key, value.ToString());
}
internal override bool HasBeenWrittenBefore()
{
RegistryEditor regedit = new RegistryEditor(Registry.CurrentUser, path);
return regedit.Read(Key) != null;
}