sign-snk.xsh | xsharper.com

Sign XSharper script with a SNK file
<xsharper>

    <versionInfo title="Sign-SNK" value="Sign XSH script with a provided SNK key file" version="0.0.0.1" />

    <usage options="ifNoArguments default" />

    <param name="key" value="SNK key" required="true" />

    <param name="data" value="Script file" required="true" />

    <reference name="System.Security" />

    <?h using System;

        using System.Text;

        using System.Security.Cryptography;

        using System.Security.Cryptography.Xml;

    ?>

    <?_ RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();

        rsa.ImportCspBlob(System.IO.File.ReadAllBytes((string)c["key"]));

        string filename=(string)c["data"];

        XmlDocument doc = new XmlDocument();

        doc.PreserveWhitespace = true;

        doc.Load(filename);

        c.Info.WriteLine("Loaded "+filename);

        SignedXml signer=  new SignedXml(doc); 

        var el=doc.GetElementsByTagName("Signature");

        if (el!=null && el.Count!=0 && el[0]!=null && el[0] is XmlElement)

            el[0].ParentNode.RemoveChild(el[0]);

        signer.KeyInfo = new KeyInfo();

        signer.KeyInfo.AddClause(new RSAKeyValue(rsa));

        signer.SigningKey = rsa; 

        signer.SignedInfo.CanonicalizationMethod = SignedXml.XmlDsigExcC14NWithCommentsTransformUrl;

        XmlDsigExcC14NWithCommentsTransform canMethod = (XmlDsigExcC14NWithCommentsTransform)signer.SignedInfo.CanonicalizationMethodObject;

        canMethod.InclusiveNamespacesPrefixList = "Sign";

        Reference orderRef = new Reference("");

        orderRef.AddTransform(new XmlDsigEnvelopedSignatureTransform());

        signer.AddReference(orderRef); 

        signer.ComputeSignature();

        doc.DocumentElement.AppendChild(signer.GetXml());

        doc.Save(filename); 

        c.Print("Script '${=Path.GetFullPath($data)}' has been signed & saved successfully");

        return 0;

    ?>

</xsharper>