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//
// ReferenceTest.cs - NUnit Test Cases for Reference
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// (C) 2004 Novell (http://www.novell.com)
//
using System;
using System.Security.Cryptography;
using System.Security.Cryptography.Xml;
using System.Xml;
using NUnit.Framework;
namespace MonoTests.System.Security.Cryptography.Xml {
[TestFixture]
public class ReferenceTest {
protected Reference reference;
[SetUp]
public void SetUp ()
{
reference = new Reference ();
}
[Test]
public void Properties ()
{
Assert.IsNull (reference.Uri, "Uri (null)");
Assert.IsNotNull (reference.TransformChain, "TransformChain");
Assert.AreEqual ("System.Security.Cryptography.Xml.Reference", reference.ToString (), "ToString()");
// test uri constructor
string uri = "uri";
reference = new Reference (uri);
Assert.AreEqual ("http://www.w3.org/2000/09/xmldsig#sha1", reference.DigestMethod, "DigestMethod");
Assert.IsNull (reference.DigestValue, "DigestValue");
Assert.IsNull (reference.Id, "Id");
Assert.IsNull (reference.Type, "Type");
Assert.AreEqual (uri, reference.Uri, "Uri");
}
[Test]
public void LoadNoTransform ()
{
string test = "<Reference URI=\"#MyObjectId\" xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>/Vvq6sXEVbtZC8GwNtLQnGOy/VI=</DigestValue></Reference>";
XmlDocument doc = new XmlDocument ();
doc.LoadXml (test);
reference.LoadXml (doc.DocumentElement);
Assert.AreEqual (test, (reference.GetXml().OuterXml), "Load-Xml");
Assert.AreEqual ("#MyObjectId", reference.Uri, "Load-URI");
byte[] hash = { 0xFD, 0x5B, 0xEA, 0xEA, 0xC5, 0xC4, 0x55, 0xBB, 0x59, 0x0B, 0xC1, 0xB0, 0x36, 0xD2, 0xD0, 0x9C, 0x63, 0xB2, 0xFD, 0x52 };
AssertCrypto.AssertEquals("Load-Digest", hash, reference.DigestValue);
Assert.AreEqual (0, reference.TransformChain.Count, "Load-#Transform");
}
[Test]
public void LoadBase64Transform ()
{
string test = "<Reference xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><Transforms><Transform Algorithm=\"http://www.w3.org/2000/09/xmldsig#base64\" /></Transforms><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</DigestValue></Reference>";
XmlDocument doc = new XmlDocument ();
doc.LoadXml (test);
reference.LoadXml (doc.DocumentElement);
Assert.AreEqual (test, (reference.GetXml().OuterXml), "Load-Base64");
Assert.AreEqual (1, reference.TransformChain.Count, "Load-#Transform");
}
[Test]
public void LoadC14NTransform ()
{
string test = "<Reference xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><Transforms><Transform Algorithm=\"http://www.w3.org/TR/2001/REC-xml-c14n-20010315\" /></Transforms><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</DigestValue></Reference>";
XmlDocument doc = new XmlDocument ();
doc.LoadXml (test);
reference.LoadXml (doc.DocumentElement);
Assert.AreEqual (test, (reference.GetXml().OuterXml), "Load-C14N");
Assert.AreEqual (1, reference.TransformChain.Count, "Load-#Transform");
}
[Test]
public void LoadC14NWithCommentsTransforms ()
{
string test = "<Reference xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><Transforms><Transform Algorithm=\"http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments\" /></Transforms><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</DigestValue></Reference>";
XmlDocument doc = new XmlDocument ();
doc.LoadXml (test);
reference.LoadXml (doc.DocumentElement);
Assert.AreEqual (test, (reference.GetXml().OuterXml), "Load-C14NWithComments");
Assert.AreEqual (1, reference.TransformChain.Count, "Load-#Transform");
}
[Test]
public void LoadEnvelopedSignatureTransforms ()
{
string test = "<Reference xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><Transforms><Transform Algorithm=\"http://www.w3.org/2000/09/xmldsig#enveloped-signature\" /></Transforms><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</DigestValue></Reference>";
XmlDocument doc = new XmlDocument ();
doc.LoadXml (test);
reference.LoadXml (doc.DocumentElement);
Assert.AreEqual (test, (reference.GetXml().OuterXml), "Load-Enveloped");
Assert.AreEqual (1, reference.TransformChain.Count, "Load-#Transform");
}
[Test]
public void LoadXPathTransforms ()
{
// test1 (MS) is an XML equivalent to test2 (Mono)
string test1 = "<Reference xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><Transforms><Transform Algorithm=\"http://www.w3.org/TR/1999/REC-xpath-19991116\"><XPath></XPath></Transform></Transforms><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</DigestValue></Reference>";
string test2 = "<Reference xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><Transforms><Transform Algorithm=\"http://www.w3.org/TR/1999/REC-xpath-19991116\"><XPath /></Transform></Transforms><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</DigestValue></Reference>";
XmlDocument doc = new XmlDocument ();
doc.LoadXml (test1);
reference.LoadXml (doc.DocumentElement);
string result = (reference.GetXml().OuterXml);
Assert.IsTrue (((test1 == result) || (test2 == result)), result);
Assert.AreEqual (1, reference.TransformChain.Count, "Load-#Transform");
}
[Test]
public void LoadXsltTransforms ()
{
string test = "<Reference xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><Transforms>";
test += "<Transform Algorithm=\"http://www.w3.org/TR/1999/REC-xslt-19991116\">";
test += "<xsl:stylesheet xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\" xmlns=\"http://www.w3.org/TR/xhtml1/strict\" exclude-result-prefixes=\"foo\" version=\"1.0\">";
test += "<xsl:output encoding=\"UTF-8\" indent=\"no\" method=\"xml\" />";
test += "<xsl:template match=\"/\"><html><head><title>Notaries</title>";
test += "</head><body><table><xsl:for-each select=\"Notaries/Notary\">";
test += "<tr><th><xsl:value-of select=\"@name\" /></th></tr></xsl:for-each>";
test += "</table></body></html></xsl:template></xsl:stylesheet></Transform>";
test += "</Transforms><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</DigestValue></Reference>";
XmlDocument doc = new XmlDocument ();
doc.LoadXml (test);
reference.LoadXml (doc.DocumentElement);
string result = reference.GetXml().OuterXml;
Assert.AreEqual (test, result, result);
Assert.AreEqual (1, reference.TransformChain.Count, "Load-#Transform");
}
[Test]
public void LoadAllTransforms ()
{
string test1 = "<Reference xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><Transforms><Transform Algorithm=\"http://www.w3.org/2000/09/xmldsig#base64\" /><Transform Algorithm=\"http://www.w3.org/TR/2001/REC-xml-c14n-20010315\" /><Transform Algorithm=\"http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments\" /><Transform Algorithm=\"http://www.w3.org/2000/09/xmldsig#enveloped-signature\" /><Transform Algorithm=\"http://www.w3.org/TR/1999/REC-xpath-19991116\"><XPath></XPath></Transform>";
test1 += "<Transform Algorithm=\"http://www.w3.org/TR/1999/REC-xslt-19991116\">";
test1 += "<xsl:stylesheet xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\" xmlns=\"http://www.w3.org/TR/xhtml1/strict\" exclude-result-prefixes=\"foo\" version=\"1.0\">";
test1 += "<xsl:output encoding=\"UTF-8\" indent=\"no\" method=\"xml\" />";
test1 += "<xsl:template match=\"/\"><html><head><title>Notaries</title>";
test1 += "</head><body><table><xsl:for-each select=\"Notaries/Notary\">";
test1 += "<tr><th><xsl:value-of select=\"@name\" /></th></tr></xsl:for-each>";
test1 += "</table></body></html></xsl:template></xsl:stylesheet></Transform>";
test1 += "</Transforms><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</DigestValue></Reference>";
string test2 = test1.Replace ("<XPath></XPath>", "<XPath />"); // Mono
XmlDocument doc = new XmlDocument ();
doc.LoadXml (test1);
reference.LoadXml (doc.DocumentElement);
string result = reference.GetXml().OuterXml;
Assert.IsTrue (((result == test1) || (result == test2)), result);
Assert.AreEqual (6, reference.TransformChain.Count, "Load-#Transform");
}
[Test]
#if NET_2_0
[Category ("NotDotNet")]
// MS throws a NullReferenceException (reported as FDBK25886) but only when executed in NUnit
// http://lab.msdn.microsoft.com/ProductFeedback/viewfeedback.aspx?feedbackid=3596d1e3-362b-40bd-bca9-2e8be75261ff
#endif
public void AddAllTransforms ()
{
// adding an empty hash value
byte[] hash = new byte [20];
reference.DigestValue = hash;
XmlElement xel = reference.GetXml ();
// this is the minimal Reference (DigestValue)!
Assert.IsNotNull (xel, "GetXml");
reference.AddTransform (new XmlDsigBase64Transform ());
reference.AddTransform (new XmlDsigC14NTransform ());
reference.AddTransform (new XmlDsigC14NWithCommentsTransform ());
reference.AddTransform (new XmlDsigEnvelopedSignatureTransform ());
reference.AddTransform (new XmlDsigXPathTransform ());
reference.AddTransform (new XmlDsigXsltTransform ());
// MS's results
string test1 = "<Reference xmlns=\"http://www.w3.org/2000/09/xmldsig#\"><Transforms><Transform Algorithm=\"http://www.w3.org/2000/09/xmldsig#base64\" /><Transform Algorithm=\"http://www.w3.org/TR/2001/REC-xml-c14n-20010315\" /><Transform Algorithm=\"http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments\" /><Transform Algorithm=\"http://www.w3.org/2000/09/xmldsig#enveloped-signature\" /><Transform Algorithm=\"http://www.w3.org/TR/1999/REC-xpath-19991116\"><XPath></XPath></Transform><Transform Algorithm=\"http://www.w3.org/TR/1999/REC-xslt-19991116\" /></Transforms><DigestMethod Algorithm=\"http://www.w3.org/2000/09/xmldsig#sha1\" /><DigestValue>AAAAAAAAAAAAAAAAAAAAAAAAAAA=</DigestValue></Reference>";
// Mono's result (xml is equivalent but not identical)
string test2 = test1.Replace ("<XPath></XPath>", "<XPath xmlns=\"http://www.w3.org/2000/09/xmldsig#\" />");
string result = reference.GetXml().OuterXml;
Assert.IsTrue (((result == test1) || (result == test2)), result);
// however this value cannot be loaded as it's missing some transform (xslt) parameters
// can we add them again ?
reference.AddTransform (new XmlDsigBase64Transform ());
reference.AddTransform (new XmlDsigC14NTransform ());
reference.AddTransform (new XmlDsigC14NWithCommentsTransform ());
reference.AddTransform (new XmlDsigEnvelopedSignatureTransform ());
reference.AddTransform (new XmlDsigXPathTransform ());
reference.AddTransform (new XmlDsigXsltTransform ());
// seems so ;-)
Assert.AreEqual (12, reference.TransformChain.Count, "# Transforms");
}
[Test]
public void Null ()
{
// null DigestMethod -> "" DigestMethod !!!
reference.DigestMethod = null;
Assert.IsNull (reference.DigestMethod, "DigestMethod null");
}
[Test]
[ExpectedException (typeof (NullReferenceException))]
public void Bad1 ()
{
reference.Uri = "#MyObjectId";
// not enough info
XmlElement bad = reference.GetXml ();
}
[Test]
public void Bad2 ()
{
// bad hash - there's no validation!
reference.DigestMethod = "http://www.w3.org/2000/09/xmldsig#mono";
}
const string xml = @"<player bats=""left"" id=""10012"" throws=""right"">
<!-- Here's a comment -->
<name>Alfonso Soriano</name>
<position>2B</position>
<team>New York Yankees</team>
<dsig:Signature xmlns=""http://www.w3.org/2000/09/xmldsig#"" xmlns:dsig=""http://www.w3.org/2000/09/xmldsig#"">"
+ @"<dsig:SignedInfo><dsig:CanonicalizationMethod Algorithm=""http://www.w3.org/TR/2001/REC-xml-c14n-withcomments-20010315""/><dsig:SignatureMethod Algorithm=""http://www.w3.org/2000/09/xmldsig#rsa-sha1""/>"
+ @"<dsig:Reference URI=""""><dsig:Transforms><dsig:Transform Algorithm=""http://www.w3.org/2000/09/xmldsig#enveloped-signature""/></dsig:Transforms><dsig:DigestMethod Algorithm=""http://www.w3.org/2000/09/xmldsig#sha1""/><dsig:DigestValue>nDF2V/bzRd0VE3EwShWtsBzTEDc=</dsig:DigestValue></dsig:Reference></dsig:SignedInfo><dsig:SignatureValue>fbye4Xm//RPUTsLd1dwJPo0gPZYX6gVYCEB/gz2348EARNk/nCCch1fFfpuqAGMKg4ayVC0yWkUyE5V4QB33jaGlh9wuNQSjxs6TIvFwSsT+0ioDgVgFv0gVeasbyNL4rFEHuAWL8QKwDT9L6b2wUvJC90DmpBs9GMR2jTZIWlM=</dsig:SignatureValue><dsig:KeyInfo><dsig:X509Data><dsig:X509Certificate>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</dsig:X509Certificate><dsig:X509IssuerSerial><dsig:X509IssuerName>CN=Test CA (RSA),OU=Engineering,O=Phaos Technology,L=New York,ST=New York,C=US</dsig:X509IssuerName><dsig:X509SerialNumber>1000001</dsig:X509SerialNumber></dsig:X509IssuerSerial><dsig:X509SubjectName>CN=Test Client (RSA),OU=Engineering,O=Phaos Technology,L=New York,ST=New York,C=US</dsig:X509SubjectName><dsig:X509SKI>E+fKwQsT5lS3mWmBkalUTp0JRW8=</dsig:X509SKI></dsig:X509Data></dsig:KeyInfo></dsig:Signature></player>";
[Test]
public void KeepDocument ()
{
string result = @"<dsig:Reference URI="""" xmlns:dsig=""http://www.w3.org/2000/09/xmldsig#""><dsig:Transforms><dsig:Transform Algorithm=""http://www.w3.org/2000/09/xmldsig#enveloped-signature"" /></dsig:Transforms><dsig:DigestMethod Algorithm=""http://www.w3.org/2000/09/xmldsig#sha1"" /><dsig:DigestValue>nDF2V/bzRd0VE3EwShWtsBzTEDc=</dsig:DigestValue></dsig:Reference>";
XmlDocument doc = new XmlDocument ();
doc.LoadXml (xml);
XmlElement org = (XmlElement) doc.SelectSingleNode ("//*[local-name()='Reference']");
Reference r = new Reference ();
r.LoadXml (org);
XmlElement el = r.GetXml ();
Assert.AreEqual (doc, el.OwnerDocument);
Assert.AreEqual (org, el);
Assert.AreEqual (result, el.OuterXml);
}
}
}
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