public static void Main(string[] args)
{
var p = new OptionSet()
{
{ "name=", "the name of the person requesting the license", v => _name = v }, // Mandatory
{ "email=", "the email address of the person requesting the license", v => _email = v }, // Mandatory
{ "company=", "the company name of the person requesting the license", v => _company = v },
// Mandatory
{ "expiry=", "the license expiry date in yyyy-mm-dd format", v => _expires = v }, // Mandatory
{ "?|help", "display this help and exit", v => _showHelp = true }, // Optional
};
// Process the command-line arguments
List <string> options;
try
{
options = p.Parse(args);
}
catch (OptionException e)
{
System.Console.Write("keygen: ");
System.Console.WriteLine(e.Message);
System.Console.WriteLine("Try `keygen --help' for more information.");
return;
}
// Command line option "--help"
if (_showHelp)
{
ShowHelp(p);
return;
}
// Check that the mandatory input arguments were specified.
if (_name == null ||
_email == null ||
_company == null ||
_expires == null)
{
Console.WriteLine("You did not specify all the arguments. Try `keygen --help' for more information.");
return;
}
/* ---------- PROCESS EXPIRY DATE ---------- */
// Parse the input date.
try
{
_expiryDate = DateTime.ParseExact(_expires, "yyyy-MM-dd", CultureInfo.InvariantCulture);
}
catch
{
Console.WriteLine("Invalid expiry date format. Date must be in yyyy-mm-dd format.");
return;
}
// If the expiry date is in the past, then throw an error.
DateTime currentDate = DateTime.Now;
if (_expiryDate.CompareTo(currentDate) == -1)
{ // -1 is earlier
Console.WriteLine("Expiry date cannot be in the past.");
return;
}
/* ---------- PRIVATE KEY ---------- */
string privateKeyFile = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + @"\private.key";
if (File.Exists(privateKeyFile) == false)
{
Console.WriteLine("Could not find \"private.key\". This file is needed to generate a license key.");
return;
}
string privateKey = File.ReadAllText(privateKeyFile);
/* ---------- CREATE LICENSE TEMPLATE ---------- */
// This is mostly a cut-and-paste from \SoftActivate Licensing SDK Standard\samples\CS\KeyGenCS
// Note that the template will have to be duplicated in the C++ code that checks the key.
// This is a demo key. Replace this key with your purchased key.
SDKRegistration.SetLicenseKey("SLDMX-3GK7N-NRZKM-5SECA-TV25K");
// The license key template specifies what the license key will look like, what data will it contain and
// how secure the license key will be.
KeyTemplate tmpl = new KeyTemplate();
tmpl.NumberOfGroups = 6;
tmpl.CharactersPerGroup = 5;
tmpl.Encoding = LicenseKeyEncoding.Base32X;
tmpl.GroupSeparator = "-";
tmpl.DataSize = 30; // the license keys will hold 30 bits of data
tmpl.SignatureSize = 120; // 120 bits = ((characters per group * number of groups) * bits per character) -
//data size ; 120 = ((6 * 5) * 5) - 30
tmpl.ValidationDataSize = 100 * 8; // If the field size (as specified in the template) is smaller than the
// data size, the data is truncated to fit the field.
// Set the private key used to generate the license keys. This is previously obtained by a call to
// LicenseKeyTemplate.GenerateSigningKeyPair().
tmpl.SetPrivateKey(privateKey); // TODO: replace demo key "w9Oz5xMOwkYv" in file with real key.
tmpl.SetPublicKey("doxzyMNu7n46whM="); // needed to check that the license generated successfully.
// Define the data portion of the license key. Keep in mind that the field names are not included in the
// license keys. Only the field values are included.
// Add a 14-bit field specifying the product expiration date, between 1/1/2010 and 12/31/2041
tmpl.AddDataField("ExpirationDate", // field name
LicenseKeyFieldType.Integer, // field is regarded as an integer
14, // field is 14 bits long (4 bits for month, 5 bits for day, 5 bits for year)
0 // field starts at position 0 in license key data bits
);
tmpl.AddValidationField("Name", LicenseKeyFieldType.String, 40 * 8, 0);
tmpl.AddValidationField("Company", LicenseKeyFieldType.String, 20 * 8, 40);
tmpl.AddValidationField("Email", LicenseKeyFieldType.String, 40 * 8, 80);
// create a key generator based on the template above
KeyGenerator keyGen = new KeyGenerator(tmpl);
/* ---------- ADD LICENSE PROPERTIES AND GENERATE KEY ---------- */
// add an expiration date for this license key
int packedDate = PackDate(_expiryDate);
keyGen.SetKeyData("ExpirationDate", packedDate);
keyGen.SetValidationData("Name", _name);
keyGen.SetValidationData("Company", _company);
keyGen.SetValidationData("Email", _email);
// now generate the license key
string licenseKey = keyGen.GenerateKey();
/* ---------- CHECK THE GENERATED KEY ---------- */
// validate the generated key. This sequence of code is also used in the actual product to validate the
// entered license key
KeyValidator keyVal = new KeyValidator(tmpl);
keyVal.SetKey(licenseKey);
keyVal.SetValidationData("Name", _name); // the key will not be valid if you set a different user name than the one you have set at key generation
keyVal.SetValidationData("Company", _company);
keyVal.SetValidationData("Email", _email);
if (keyVal.IsKeyValid())
{
Console.WriteLine("\nThe generated license key is: " + licenseKey);
// now read the expiration date from the license key
int expirationDate = keyVal.QueryIntKeyData("ExpirationDate");
Console.WriteLine("The expiration date is " + UnpackDate(expirationDate).ToString("MMMM dd, yyyy"));
_licenseXml = new XElement("license",
new XElement("name", _name),
new XElement("company", _company),
new XElement("email", _email),
new XElement("key", licenseKey),
new XElement("expires", _expires)
);
Console.WriteLine(_licenseXml.ToString());
}
else
{
Console.WriteLine("Error creating/validating license key !\n");
}
return;
}
