public static bool IsValidLicense(string licenseXml, string publicKey)
{
licenseXml = LicenseHelper.FormatXml(licenseXml);
int start = licenseXml.IndexOf("<signature>");
int end = licenseXml.IndexOf("</signature>") + "</signature>".Length;
int sigValueStart = start + "<signature>".Length;
int sigValueEnd = end - "</signature>".Length;
string signature = licenseXml.Substring(sigValueStart, sigValueEnd - sigValueStart);
licenseXml = licenseXml.Substring(0, start) + "<signature />" + licenseXml.Substring(end);
licenseXml = LicenseHelper.FormatXml(licenseXml);
return(LicenseHelper.VerifySignature(licenseXml, signature, publicKey));
}
internal static bool IsLicenceValid(string publicKey, string licenseText)
{
licenseText = Slyce.Common.Utility.StandardizeLineBreaks(licenseText, Slyce.Common.Utility.LineBreaks.Unix).Replace("\n", "");
int start = licenseText.ToLower().IndexOf("<signature>");
int end = licenseText.ToLower().IndexOf("</signature>") + "</signature>".Length;
string digitalSignature = licenseText.Substring(start + "<signature>".Length, end - start - "<signature>".Length - "</signature>".Length);
licenseText = licenseText.Substring(0, start) + "<signature />" + licenseText.Substring(end);
//XmlDocument doc = new XmlDocument();
//doc.LoadXml(licenseText);
string rawXml = LicenseHelper.FormatXml(licenseText);
//string rawXml = doc.InnerXml;//.Substring(doc.InnerXml.IndexOf(">") + 1);
//rawXml = rawXml.Substring(rawXml.IndexOf(@"?>") + 1).Replace(" ", " ").Replace("\r", "").Replace("\n", "").Replace("\t", "");
//rawXml = rawXml.Replace(" ", " ").Replace("\r", "").Replace("\n", "").Replace("\t", "");
return(Licensing.LicenseHelper.VerifySignature(rawXml, digitalSignature, publicKey));
}
public string ToXml(string privateKey)
{
string xml = string.Format(@"<slyce-license version=""{0}"">
<product>{1}</product>
<license serial=""{2}"" type=""{3}"" hardware-id=""{4}"" expiry-date=""{5}"" quantity=""{6}"" />
<order reference=""{7}"" date=""{8}"">
<purchaser company=""{9}"" name=""{10}"" email=""{11}"" phone=""{12}"">
<address line1=""{13}"" line2=""{14}"" city=""{15}"" country=""{16}"" />
</purchaser>
</order>
<signature />
</slyce-license>" ,
Version,
Product,
Serial,
Type,
HardwareId,
ExpiryDate.ToString("d MMM yyyy"),
Quantity,
OrderReference,
OrderDate,
Company,
Name,
Email,
Phone,
AddressLine1,
AddressLine2,
AddressCity,
AddressCountry);
xml = LicenseHelper.FormatXml(xml);
string signature = LicenseHelper.CreateSignature(xml.Substring(xml.IndexOf(@"?>") + 2).Replace("<signature />", "").Replace(" ", " ").Replace("\r", "").Replace("\n", "").Replace("\t", ""), privateKey);
xml = xml.Replace("<signature />", "<signature>" + signature + "</signature>");
return(LicenseHelper.FormatXml(xml));
}