private static void AuthenticodeSignLicenseDom(XmlDocument licenseDom, CmiManifestSigner signer, string timeStampUrl)
{
if (signer.Certificate.PublicKey.Key.GetType() != typeof(RSACryptoServiceProvider))
{
throw new NotSupportedException();
}
ManifestSignedXml manifestSignedXml = new ManifestSignedXml(licenseDom);
manifestSignedXml.SigningKey = signer.Certificate.PrivateKey;
manifestSignedXml.SignedInfo.CanonicalizationMethod = "http://www.w3.org/2001/10/xml-exc-c14n#";
manifestSignedXml.KeyInfo.AddClause((KeyInfoClause) new RSAKeyValue(signer.Certificate.PublicKey.Key as RSA));
manifestSignedXml.KeyInfo.AddClause((KeyInfoClause) new KeyInfoX509Data((X509Certificate)signer.Certificate, signer.IncludeOption));
Reference reference = new Reference();
reference.Uri = "";
reference.AddTransform((Transform) new XmlDsigEnvelopedSignatureTransform());
reference.AddTransform((Transform) new XmlDsigExcC14NTransform());
manifestSignedXml.AddReference(reference);
manifestSignedXml.ComputeSignature();
XmlElement xml = manifestSignedXml.GetXml();
xml.SetAttribute("Id", "AuthenticodeSignature");
XmlNamespaceManager nsmgr = new XmlNamespaceManager(licenseDom.NameTable);
nsmgr.AddNamespace("r", "urn:mpeg:mpeg21:2003:01-REL-R-NS");
(licenseDom.SelectSingleNode("r:license/r:issuer", nsmgr) as XmlElement).AppendChild(licenseDom.ImportNode((XmlNode)xml, true));
if (timeStampUrl != null && timeStampUrl.Length != 0)
{
SignedCmiManifest.TimestampSignedLicenseDom(licenseDom, timeStampUrl);
}
licenseDom.DocumentElement.ParentNode.InnerXml = "<msrel:RelData xmlns:msrel=\"http://schemas.microsoft.com/windows/rel/2005/reldata\">" + licenseDom.OuterXml + "</msrel:RelData>";
}
private static void StrongNameSignManifestDom(XmlDocument manifestDom, XmlDocument licenseDom, CmiManifestSigner signer)
{
RSA strongNameKey = signer.StrongNameKey as RSA;
if (strongNameKey == null)
{
throw new NotSupportedException();
}
XmlNamespaceManager nsmgr = new XmlNamespaceManager(manifestDom.NameTable);
nsmgr.AddNamespace("asm", "urn:schemas-microsoft-com:asm.v1");
XmlElement elem = manifestDom.SelectSingleNode("asm:assembly", nsmgr) as XmlElement;
if (elem == null)
{
throw new CryptographicException(-2146762749);
}
ManifestSignedXml manifestSignedXml = new ManifestSignedXml(elem);
manifestSignedXml.SigningKey = signer.StrongNameKey;
manifestSignedXml.SignedInfo.CanonicalizationMethod = "http://www.w3.org/2001/10/xml-exc-c14n#";
manifestSignedXml.KeyInfo.AddClause((KeyInfoClause) new RSAKeyValue(strongNameKey));
if (licenseDom != null)
{
manifestSignedXml.KeyInfo.AddClause((KeyInfoClause) new KeyInfoNode(licenseDom.DocumentElement));
}
manifestSignedXml.KeyInfo.Id = "StrongNameKeyInfo";
Reference reference = new Reference();
reference.Uri = "";
reference.AddTransform((Transform) new XmlDsigEnvelopedSignatureTransform());
reference.AddTransform((Transform) new XmlDsigExcC14NTransform());
manifestSignedXml.AddReference(reference);
manifestSignedXml.ComputeSignature();
XmlElement xml = manifestSignedXml.GetXml();
xml.SetAttribute("Id", "StrongNameSignature");
elem.AppendChild((XmlNode)xml);
}
internal void Verify(CmiManifestVerifyFlags verifyFlags)
{
this.m_strongNameSignerInfo = (CmiStrongNameSignerInfo)null;
this.m_authenticodeSignerInfo = (CmiAuthenticodeSignerInfo)null;
XmlNamespaceManager nsmgr = new XmlNamespaceManager(this.m_manifestDom.NameTable);
nsmgr.AddNamespace("ds", "http://www.w3.org/2000/09/xmldsig#");
XmlElement xmlElement1 = this.m_manifestDom.SelectSingleNode("//ds:Signature", nsmgr) as XmlElement;
if (xmlElement1 == null)
{
throw new CryptographicException(-2146762496);
}
string name = "Id";
if (!xmlElement1.HasAttribute(name))
{
name = "id";
if (!xmlElement1.HasAttribute(name))
{
name = "ID";
if (!xmlElement1.HasAttribute(name))
{
throw new CryptographicException(-2146762749);
}
}
}
string attribute1 = xmlElement1.GetAttribute(name);
if (attribute1 == null || string.Compare(attribute1, "StrongNameSignature", StringComparison.Ordinal) != 0)
{
throw new CryptographicException(-2146762749);
}
bool oldFormat = false;
bool flag1 = false;
foreach (XmlNode selectNode in xmlElement1.SelectNodes("ds:SignedInfo/ds:Reference", nsmgr))
{
XmlElement xmlElement2 = selectNode as XmlElement;
if (xmlElement2 != null && xmlElement2.HasAttribute("URI"))
{
string attribute2 = xmlElement2.GetAttribute("URI");
if (attribute2 != null)
{
if (attribute2.Length == 0)
{
XmlNode xmlNode = xmlElement2.SelectSingleNode("ds:Transforms", nsmgr);
if (xmlNode == null)
{
throw new CryptographicException(-2146762749);
}
XmlNodeList xmlNodeList = xmlNode.SelectNodes("ds:Transform", nsmgr);
if (xmlNodeList.Count < 2)
{
throw new CryptographicException(-2146762749);
}
bool flag2 = false;
bool flag3 = false;
for (int index = 0; index < xmlNodeList.Count; ++index)
{
string attribute3 = (xmlNodeList[index] as XmlElement).GetAttribute("Algorithm");
if (attribute3 != null)
{
if (string.Compare(attribute3, "http://www.w3.org/2001/10/xml-exc-c14n#", StringComparison.Ordinal) != 0)
{
flag2 = true;
if (flag3)
{
flag1 = true;
break;
}
}
else if (string.Compare(attribute3, "http://www.w3.org/2000/09/xmldsig#enveloped-signature", StringComparison.Ordinal) != 0)
{
flag3 = true;
if (flag2)
{
flag1 = true;
break;
}
}
}
else
{
break;
}
}
}
else if (string.Compare(attribute2, "#StrongNameKeyInfo", StringComparison.Ordinal) == 0)
{
oldFormat = true;
XmlNode xmlNode = selectNode.SelectSingleNode("ds:Transforms", nsmgr);
if (xmlNode == null)
{
throw new CryptographicException(-2146762749);
}
XmlNodeList xmlNodeList = xmlNode.SelectNodes("ds:Transform", nsmgr);
if (xmlNodeList.Count < 1)
{
throw new CryptographicException(-2146762749);
}
for (int index = 0; index < xmlNodeList.Count; ++index)
{
string attribute3 = (xmlNodeList[index] as XmlElement).GetAttribute("Algorithm");
if (attribute3 != null)
{
if (string.Compare(attribute3, "http://www.w3.org/2001/10/xml-exc-c14n#", StringComparison.Ordinal) != 0)
{
flag1 = true;
break;
}
}
else
{
break;
}
}
}
}
}
}
if (!flag1)
{
throw new CryptographicException(-2146762749);
}
this.m_strongNameSignerInfo = new CmiStrongNameSignerInfo(-2146762485, this.VerifyPublicKeyToken());
ManifestSignedXml manifestSignedXml = new ManifestSignedXml(this.m_manifestDom, true);
manifestSignedXml.LoadXml(xmlElement1);
AsymmetricAlgorithm signingKey = (AsymmetricAlgorithm)null;
bool flag4 = manifestSignedXml.CheckSignatureReturningKey(out signingKey);
this.m_strongNameSignerInfo.PublicKey = signingKey;
if (!flag4)
{
this.m_strongNameSignerInfo.ErrorCode = -2146869232;
throw new CryptographicException(-2146869232);
}
if ((verifyFlags & CmiManifestVerifyFlags.StrongNameOnly) == CmiManifestVerifyFlags.StrongNameOnly)
{
return;
}
this.VerifyLicense(verifyFlags, oldFormat);
}
