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//
// EncryptedXmlTest.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
//
#if NET_2_0
using System;
using System.Collections;
using System.IO;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Security.Cryptography.Xml;
using System.Xml;
using NUnit.Framework;
namespace MonoTests.System.Security.Cryptography.Xml
{
[TestFixture]
public class EncryptedXmlTest
{
[Test]
public void Sample1 ()
{
AssertDecryption1 ("Test/System.Security.Cryptography.Xml/EncryptedXmlSample1.xml");
}
void AssertDecryption1 (string filename)
{
XmlDocument doc = new XmlDocument ();
doc.PreserveWhitespace = true;
doc.Load (filename);
EncryptedXml encxml = new EncryptedXml (doc);
RSACryptoServiceProvider rsa = new X509Certificate2 ("Test/System.Security.Cryptography.Xml/sample.pfx", "mono").PrivateKey as RSACryptoServiceProvider;
XmlNamespaceManager nm = new XmlNamespaceManager (doc.NameTable);
nm.AddNamespace ("s", "http://www.w3.org/2003/05/soap-envelope");
nm.AddNamespace ("o", "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd");
nm.AddNamespace ("e", EncryptedXml.XmlEncNamespaceUrl);
XmlElement el = doc.SelectSingleNode ("/s:Envelope/s:Header/o:Security/e:EncryptedKey", nm) as XmlElement;
EncryptedKey ekey = new EncryptedKey ();
ekey.LoadXml (el);
byte [] key = rsa.Decrypt (ekey.CipherData.CipherValue, true);
Rijndael aes = new RijndaelManaged ();
aes.Key = key;
aes.Mode = CipherMode.CBC;
ArrayList al = new ArrayList ();
foreach (XmlElement ed in doc.SelectNodes ("//e:EncryptedData", nm))
al.Add (ed);
foreach (XmlElement ed in al) {
EncryptedData edata = new EncryptedData ();
edata.LoadXml (ed);
encxml.ReplaceData (ed, encxml.DecryptData (edata, aes));
}
}
[Test]
public void Sample2 ()
{
RijndaelManaged aes = new RijndaelManaged ();
aes.Mode = CipherMode.CBC;
aes.KeySize = 256;
aes.Key = Convert.FromBase64String ("o/ilseZu+keLBBWGGPlUHweqxIPc4gzZEFWr2nBt640=");
aes.Padding = PaddingMode.Zeros;
XmlDocument doc = new XmlDocument ();
doc.PreserveWhitespace = true;
doc.Load ("Test/System.Security.Cryptography.Xml/EncryptedXmlSample2.xml");
EncryptedXml encxml = new EncryptedXml (doc);
EncryptedData edata = new EncryptedData ();
edata.LoadXml (doc.DocumentElement);
encxml.ReplaceData (doc.DocumentElement, encxml.DecryptData (edata, aes));
}
[Test]
public void Sample3 ()
{
AssertDecryption1 ("Test/System.Security.Cryptography.Xml/EncryptedXmlSample3.xml");
}
[Test]
public void RoundtripSample1 ()
{
StringWriter sw = new StringWriter ();
// Encryption
{
XmlDocument doc = new XmlDocument ();
doc.PreserveWhitespace = true;
doc.LoadXml ("<root> <child>sample</child> </root>");
XmlElement body = doc.DocumentElement;
RijndaelManaged aes = new RijndaelManaged ();
aes.Mode = CipherMode.CBC;
aes.KeySize = 256;
aes.IV = Convert.FromBase64String ("pBUM5P03rZ6AE4ZK5EyBrw==");
aes.Key = Convert.FromBase64String ("o/ilseZu+keLBBWGGPlUHweqxIPc4gzZEFWr2nBt640=");
aes.Padding = PaddingMode.Zeros;
EncryptedXml exml = new EncryptedXml ();
byte [] encrypted = exml.EncryptData (body, aes, false);
EncryptedData edata = new EncryptedData ();
edata.Type = EncryptedXml.XmlEncElementUrl;
edata.EncryptionMethod = new EncryptionMethod (EncryptedXml.XmlEncAES256Url);
EncryptedKey ekey = new EncryptedKey ();
// omit key encryption, here for testing
byte [] encKeyBytes = aes.Key;
ekey.CipherData = new CipherData (encKeyBytes);
ekey.EncryptionMethod = new EncryptionMethod (EncryptedXml.XmlEncRSA15Url);
DataReference dr = new DataReference ();
dr.Uri = "_0";
ekey.AddReference (dr);
edata.KeyInfo.AddClause (new KeyInfoEncryptedKey (ekey));
edata.KeyInfo = new KeyInfo ();
ekey.KeyInfo.AddClause (new RSAKeyValue (RSA.Create ()));
edata.CipherData.CipherValue = encrypted;
EncryptedXml.ReplaceElement (doc.DocumentElement, edata, false);
doc.Save (new XmlTextWriter (sw));
}
// Decryption
{
RijndaelManaged aes = new RijndaelManaged ();
aes.Mode = CipherMode.CBC;
aes.KeySize = 256;
aes.Key = Convert.FromBase64String (
"o/ilseZu+keLBBWGGPlUHweqxIPc4gzZEFWr2nBt640=");
aes.Padding = PaddingMode.Zeros;
XmlDocument doc = new XmlDocument ();
doc.PreserveWhitespace = true;
doc.LoadXml (sw.ToString ());
EncryptedXml encxml = new EncryptedXml (doc);
EncryptedData edata = new EncryptedData ();
edata.LoadXml (doc.DocumentElement);
encxml.ReplaceData (doc.DocumentElement, encxml.DecryptData (edata, aes));
}
}
}
}
#endif
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