public License.Base.License GetLicense(string licenseFile)
{
License.Base.License result;
try
{
if (!System.IO.File.Exists(licenseFile))
{
throw new LicenseInvalidException("没有找到程序授权信息,请联系中联重科!");
}
Security security = new Security();
string encodedString = System.IO.File.ReadAllText(licenseFile);
string s = security.DecodeString(encodedString);
XmlSerializer xmlSerializer = new XmlSerializer(typeof(License.Base.License));
License.Base.License license = (License.Base.License)xmlSerializer.Deserialize(new System.IO.StringReader(s));
if (!this.VerifyLicense(license))
{
throw new LicenseInvalidException("许可无效,License Invalid!");
}
result = license;
}
catch
{
throw;
}
return(result);
}
private bool VerifyLicense(License.Base.License lic)
{
Security security = new Security();
string hash = security.GetHash(lic.GetHashString());
bool flag = security.SignatureDeformatter(hash, lic.Signature);
return(flag);
}
private void BrowseButton_Click()
{
ofd.ShowDialog();
string f = ofd.FileName;
LicFileName = f;
try
{
License.Base.License license = GetLicense(f);
LicContentName = license.ToString();
}
catch (System.Exception ex)
{
LicContentName = ex.ToString();
}
}
public static License GetLicense()
{
return(License.GetLicense(License.licFile));
}
