使用代码：
Easy License 非常容易使用，为了验证一个软件，你需要下面3个步骤。
1: Create a public/private Key.
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if (File.Exists("privateKey.xml") || File.Exists("publicKey.xml"))
{
var result = MessageBox.Show("The key is existed, override it?", "Warning", MessageBoxButton.YesNo);
if (result == MessageBoxResult.No)
{
return;
}
}
var privateKey = "";
var publicKey = "";
LicenseGenerator.GenerateLicenseKey(out privateKey, out publicKey);
File.WriteAllText("privateKey.xml", privateKey);
File.WriteAllText("publicKey.xml", publicKey);
MessageBox.Show("The Key is created, please backup it.");
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2: Use private key to create a license
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if (!File.Exists("privateKey.xml"))
{
MessageBox.Show("Please create a license key first");
return;
}
var privateKey = File.ReadAllText(@"privateKey.xml");
var generator = new LicenseGenerator(privateKey);
var dictionary = new Dictionary<string, string>();
// generate the license
var license = generator.Generate("EasyLicense", Guid.NewGuid(), DateTime.UtcNow.AddYears(1), dictionary,
LicenseType.Standard);
txtLicense.Text = license;
File.WriteAllText("license.lic", license);
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3: Use public key to validate the license
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private static void ValidateLicense()
{
if (!File.Exists("publicKey.xml"))
{
MessageBox.Show("Please create a license key first");
return;
}
var publicKey = File.ReadAllText(@"publicKey.xml");
var validator = new LicenseValidator(publicKey, @"license.lic");
try
{
validator.AssertValidLicense();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
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EasyLicense 内部有一个叫 LicenseTool 的工具，你可以下载源代码，运行，来看看它是怎样的创建Key，创建Licens 和验证License 的。
并且系统还有一个Demo 的项目，可以帮助你。
本文转自lzwxx 51CTO博客，原文链接:http://blog.51cto.com/13064681/1944337
