static void Main(string[] args)
{
var licenseKey = "JJWTE-MVKLR-YQMKD-IFXUV";
var RSAPubKey = "<RSAKeyValue><Modulus>wflqVfb+6gkb1lHr1fysux8o+oJREy0M2hM3yEKh92w5rXoc673ZRI9JTg725IqHvr/031TMqFAMvfdQ8X5gB0L3gb3E1tY/QvpZxwobRs6Xpz3XxuGhZ7cIhO9uWLZuykSvoD+PQZMOsdp+M05p9KS4eTsbuSo1w0kwkp6AnumMiG7ICOxYsdGg7YlzX5DN3m6QgG9Fg+6faIOLyBxXktBK4+ligCMNYdRLd3z9UqhGGy4u/Hnz3VD2bzJ99JWQYx00HtXyojmUHi25Yk2G5eki3sQXM7gYzWkZOzaEQ5/rMghp0O3/eJblWtranxQv4HBCm/b8l4oVh4GTcN0x7w==</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
var auth = "WyIxMDQwIiwiK094dW9yUWxkMitmYTBIaTVQdDBsYXpKenpoUithK2IyQVR3KzlzZCJd";
var result = Key.Activate(token: auth, parameters: new ActivateModel()
{
Key = licenseKey,
ProductId = 3843,
Sign = true,
MachineCode = Helpers.GetMachineCode()
});
if (result == null || result.Result == ResultType.Error ||
!result.LicenseKey.HasValidSignature(RSAPubKey).IsValid())
{
// an error occurred or the key is invalid or it cannot be activated
// (eg. the limit of activated devices was achieved)
// -------------------new code starts -------------------
// we will try to check for a cached response/certificate
var licensefile = new LicenseKey();
if (licensefile.LoadFromFile("licensefile")
.HasValidSignature(RSAPubKey, 3)
.IsValid())
{
Console.WriteLine("The license is valid!");
}
else
{
Console.WriteLine("The license does not work.");
}
// -------------------new code ends ---------------------
}
else
{
// everything went fine if we are here!
Console.WriteLine("The license is valid!");
// -------------------new code starts -------------------
// saving a copy of the response/certificate
result.LicenseKey.SaveToFile("licensefile");
// -------------------new code ends ---------------------
}
Console.ReadLine();
}
