public string Generate(Licence licence, string serial)
{
var licencePack = new LicencePack
{
Licence = licence,
Serial = serial
};
string licencePackString = _objectHelper.Serialize <LicencePack>(licencePack);
return(_encryptionHelper.Encrypt(licencePackString));
}
public Licence CheckLicence(string licencePackCipher)
{
string licencePackString = "";
string licenceSerial = "";
LicencePack licencePack = null;
try
{
licencePackString = _encryptionHelper.Decrypt(licencePackCipher);
licencePack = _objectHelper.Deserialize <LicencePack>(licencePackString);
licenceSerial = _serialGenerator.Generate();
}
catch (Exception ex)
{
throw new InvalidLicenceException("Licence is not valid", ex);
}
if (licencePack.Serial != licenceSerial)
{
throw new InvalidLicenceException("Licence is not valid");
}
return(licencePack.Licence);
}