public void TestSerialization()
{
var license = new SignedLicense(HardwareIdentifier.NoHardwareIdentifier, "SerialNumber", DateTime.Now, DateTime.Now + TimeSpan.FromDays(10), CreateProperties());
license.Sign(new LengthSigner());
var licPlainText = license.SerializeAsPlainText();
var licEncrypted = license.Serialize();
var licensePlainText = SignedLicense.Deserialize(licPlainText);
var licenseEncrypted = SignedLicense.Deserialize(licEncrypted);
Assert.AreEqual(licensePlainText.SerializeAsPlainText(), licenseEncrypted.SerializeAsPlainText());
Assert.AreEqual(licensePlainText.Serialize(), licenseEncrypted.Serialize());
}
public void TestSigning_WithProperties_DifferentCultures()
{
var cultureDE = new CultureInfo("de");
var cultureEN = new CultureInfo("en");
Thread.CurrentThread.CurrentCulture = cultureDE;
var file = new SignedLicense("HardwareID", "SerialNumber", DateTime.Now, DateTime.Now + TimeSpan.FromDays(10), CreateProperties());
file.Sign(new HashCodeSigner());
var content = file.Serialize();
Thread.CurrentThread.CurrentCulture = cultureEN;
var newFile = SignedLicense.Deserialize(content);
newFile.Verify(new HashCodeSigner());
}
public void TestSigning_WithProperties()
{
var file = new SignedLicense("HardwareID", "SerialNumber", DateTime.Now, DateTime.Now + TimeSpan.FromDays(10), CreateProperties());
file.Sign(new LengthSigner());
var content = file.Serialize();
var newFile = SignedLicense.Deserialize(content);
AssertDefaultPropertiesAreValid(newFile);
AssertPropertiesAreValid(file);
newFile.Verify(new LengthSigner());
try
{
newFile.Verify(new DoubleLengthSigner());
Assert.Fail("LicenseException expected");
}
catch (SignedLicenseException) { }
}
SignedLicense IVerifier_VerifyLoad.LoadAndVerify(string licenseString)
{
var license = SignedLicense.Deserialize(licenseString);
// verify signature
license.Verify(mySigner);
// verify application code
if (!SerialNumber.IsApplicationCodeValid(license.SerialNumber, myApplicationCode))
{
throw new SignedLicenseException($"Application Code '{myApplicationCode}' is not valid for the license.");
}
// verify hardware identifier
if (!HardwareIdentifier.IsValidForCurrentComputer(license.HardwareIdentifier))
{
throw new SignedLicenseException($"License has been activated for another computer.");
}
// verify expiration date
if (license.ExpirationDate < DateTime.UtcNow)
{
throw new SignedLicenseException($"License has been expired since '{license.ExpirationDate}'.");
}
return(license);
}