static bool ValidateXml(XmlDocument receipt, X509Certificate2 certificate)
{
// Create the signed XML object.
SignedXml sxml = new SignedXml(receipt);
// Get the XML Signature node and load it into the signed XML object.
XmlNode dsig = receipt.GetElementsByTagName("Signature", SignedXml.XmlDsigNamespaceUrl)[0];
if (dsig == null)
{
// If signature is not found return false
System.Console.WriteLine("Signature not found.");
return(false);
}
sxml.LoadXml((XmlElement)dsig);
// Check the signature
bool isValid = sxml.CheckSignature(certificate, true);
FieldInfo field = sxml.GetType().GetField("m_signature",
BindingFlags.NonPublic |
BindingFlags.Instance);
var sig = (Signature)field.GetValue(sxml);
var _ref = (Reference)sig.SignedInfo.References[0];
//var pre = Type.GetType("System.Security.Cryptography.Xml.Utils").GetMethod("PreProcessDocumentInput");
//pre.Invoke(null, new[] { });
var enveloped = (XmlDsigEnvelopedSignatureTransform)_ref.TransformChain[0];
enveloped.LoadInput(receipt);
var outputstream = enveloped.GetOutput();
var securityUrl = receipt.BaseURI;
var resolver = new XmlSecureResolver(new XmlUrlResolver(), securityUrl);
//TransformToOctetStream(Stream input, XmlResolver resolver, string baseUri)
MethodInfo trans = _ref.TransformChain.GetType().GetMethods(BindingFlags.NonPublic | BindingFlags.Instance)[2];
var stream = trans.Invoke(_ref.TransformChain, new object[] { receipt, resolver, securityUrl });
var canontype = sig.GetType().Assembly.GetType("System.Security.Cryptography.Xml.CanonicalXml");
var foo = Activator.CreateInstance(canontype, BindingFlags.NonPublic | BindingFlags.Instance, null, new object[] { receipt, resolver }, null);
MethodInfo method = _ref.GetType().GetMethod("CalculateHashValue",
BindingFlags.NonPublic |
BindingFlags.Instance);
FieldInfo refs = sig.GetType().GetField("m_referencedItems",
BindingFlags.NonPublic |
BindingFlags.Instance);
var refs1 = refs.GetValue(sig);
var res = method.Invoke(_ref, new [] { receipt, refs1 });
var str = Convert.ToBase64String((byte[])res);
return(isValid);
}
static bool ValidateXml(XmlDocument receipt, X509Certificate2 certificate)
{
// Create the signed XML object.
SignedXml sxml = new SignedXml(receipt);
// Get the XML Signature node and load it into the signed XML object.
XmlNode dsig = receipt.GetElementsByTagName("Signature", SignedXml.XmlDsigNamespaceUrl)[0];
if (dsig == null)
{
// If signature is not found return false
System.Console.WriteLine("Signature not found.");
return false;
}
sxml.LoadXml((XmlElement)dsig);
// Check the signature
bool isValid = sxml.CheckSignature(certificate, true);
FieldInfo field = sxml.GetType().GetField("m_signature",
BindingFlags.NonPublic |
BindingFlags.Instance);
var sig = (Signature)field.GetValue(sxml);
var _ref = (Reference)sig.SignedInfo.References[0];
//var pre = Type.GetType("System.Security.Cryptography.Xml.Utils").GetMethod("PreProcessDocumentInput");
//pre.Invoke(null, new[] { });
var enveloped = (XmlDsigEnvelopedSignatureTransform)_ref.TransformChain[0];
enveloped.LoadInput(receipt);
var outputstream = enveloped.GetOutput();
var securityUrl = receipt.BaseURI;
var resolver = new XmlSecureResolver(new XmlUrlResolver(), securityUrl);
//TransformToOctetStream(Stream input, XmlResolver resolver, string baseUri)
MethodInfo trans = _ref.TransformChain.GetType().GetMethods(BindingFlags.NonPublic | BindingFlags.Instance)[2];
var stream = trans.Invoke(_ref.TransformChain, new object[] {receipt, resolver, securityUrl});
var canontype = sig.GetType().Assembly.GetType("System.Security.Cryptography.Xml.CanonicalXml");
var foo = Activator.CreateInstance(canontype, BindingFlags.NonPublic | BindingFlags.Instance, null, new object[] {receipt, resolver}, null);
MethodInfo method = _ref.GetType().GetMethod("CalculateHashValue",
BindingFlags.NonPublic |
BindingFlags.Instance);
FieldInfo refs = sig.GetType().GetField("m_referencedItems",
BindingFlags.NonPublic |
BindingFlags.Instance);
var refs1 = refs.GetValue(sig);
var res = method.Invoke(_ref, new [] {receipt, refs1});
var str = Convert.ToBase64String((byte[])res);
return isValid;
}
