mcs/class/System.Security/Test/System.Security.Cryptography.Xml/EncryptedXmlTest.cs

   1 //
   2 // EncryptedXmlTest.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto  <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2006 Novell, Inc (http://www.novell.com)
   8 //
   9
  10 #if NET_2_0
  11
  12 using System;
  13 using System.Collections;
  14 using System.IO;
  15 using System.Security.Cryptography;
  16 using System.Security.Cryptography.X509Certificates;
  17 using System.Security.Cryptography.Xml;
  18 using System.Xml;
  19
  20 using NUnit.Framework;
  21
  22 namespace MonoTests.System.Security.Cryptography.Xml
  23 {
  24         [TestFixture]
  25         public class EncryptedXmlTest
  26         {
  27                 [Test]
  28                 public void Sample1 ()
  29                 {
  30                         AssertDecryption1 ("Test/System.Security.Cryptography.Xml/EncryptedXmlSample1.xml");
  31                 }
  32
  33                 void AssertDecryption1 (string filename)
  34                 {
  35                         XmlDocument doc = new XmlDocument ();
  36                         doc.PreserveWhitespace = true;
  37                         doc.Load (filename);
  38                         EncryptedXml encxml = new EncryptedXml (doc);
  39                         RSACryptoServiceProvider rsa = new X509Certificate2 ("Test/System.Security.Cryptography.Xml/sample.pfx", "mono").PrivateKey as RSACryptoServiceProvider;
  40                         XmlNamespaceManager nm = new XmlNamespaceManager (doc.NameTable);
  41                         nm.AddNamespace ("s", "http://www.w3.org/2003/05/soap-envelope");
  42                         nm.AddNamespace ("o", "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd");
  43                         nm.AddNamespace ("e", EncryptedXml.XmlEncNamespaceUrl);
  44                         XmlElement el = doc.SelectSingleNode ("/s:Envelope/s:Header/o:Security/e:EncryptedKey", nm) as XmlElement;
  45                         EncryptedKey ekey = new EncryptedKey ();
  46                         ekey.LoadXml (el);
  47                         byte [] key = rsa.Decrypt (ekey.CipherData.CipherValue, true);
  48                         Rijndael aes = new RijndaelManaged ();
  49                         aes.Key = key;
  50                         aes.Mode = CipherMode.CBC;
  51                         ArrayList al = new ArrayList ();
  52                         foreach (XmlElement ed in doc.SelectNodes ("//e:EncryptedData", nm))
  53                                 al.Add (ed);
  54                         foreach (XmlElement ed in al) {
  55                                 EncryptedData edata = new EncryptedData ();
  56                                 edata.LoadXml (ed);
  57                                 encxml.ReplaceData (ed, encxml.DecryptData (edata, aes));
  58                         }
  59                 }
  60
  61                 [Test]
  62                 public void Sample2 ()
  63                 {
  64                         RijndaelManaged aes = new RijndaelManaged ();
  65                         aes.Mode = CipherMode.CBC;
  66                         aes.KeySize = 256;
  67                         aes.Key = Convert.FromBase64String ("o/ilseZu+keLBBWGGPlUHweqxIPc4gzZEFWr2nBt640=");
  68                         aes.Padding = PaddingMode.Zeros;
  69
  70                         XmlDocument doc = new XmlDocument ();
  71                         doc.PreserveWhitespace = true;
  72                         doc.Load ("Test/System.Security.Cryptography.Xml/EncryptedXmlSample2.xml");
  73                         EncryptedXml encxml = new EncryptedXml (doc);
  74                         EncryptedData edata = new EncryptedData ();
  75                         edata.LoadXml (doc.DocumentElement);
  76                         encxml.ReplaceData (doc.DocumentElement, encxml.DecryptData (edata, aes));
  77                 }
  78
  79                 [Test]
  80                 public void Sample3 ()
  81                 {
  82                         AssertDecryption1 ("Test/System.Security.Cryptography.Xml/EncryptedXmlSample3.xml");
  83                 }
  84
  85                 [Test]
  86                 public void RoundtripSample1 ()
  87                 {
  88                         StringWriter sw = new StringWriter ();
  89
  90                         // Encryption
  91                         {
  92                                 XmlDocument doc = new XmlDocument ();
  93                                 doc.PreserveWhitespace = true;
  94                                 doc.LoadXml ("<root>  <child>sample</child>   </root>");
  95
  96                                 XmlElement body = doc.DocumentElement;
  97
  98                                 RijndaelManaged aes = new RijndaelManaged ();
  99                                 aes.Mode = CipherMode.CBC;
 100                                 aes.KeySize = 256;
 101                                 aes.IV = Convert.FromBase64String ("pBUM5P03rZ6AE4ZK5EyBrw==");
 102                                 aes.Key = Convert.FromBase64String ("o/ilseZu+keLBBWGGPlUHweqxIPc4gzZEFWr2nBt640=");
 103                                 aes.Padding = PaddingMode.Zeros;
 104
 105                                 EncryptedXml exml = new EncryptedXml ();
 106                                 byte [] encrypted = exml.EncryptData (body, aes, false);
 107                                 EncryptedData edata = new EncryptedData ();
 108                                 edata.Type = EncryptedXml.XmlEncElementUrl;
 109                                 edata.EncryptionMethod = new EncryptionMethod (EncryptedXml.XmlEncAES256Url);
 110                                 EncryptedKey ekey = new EncryptedKey ();
 111                                 // omit key encryption, here for testing
 112                                 byte [] encKeyBytes = aes.Key;
 113                                 ekey.CipherData = new CipherData (encKeyBytes);
 114                                 ekey.EncryptionMethod = new EncryptionMethod (EncryptedXml.XmlEncRSA15Url);
 115                                 DataReference dr = new DataReference ();
 116                                 dr.Uri = "_0";
 117                                 ekey.AddReference (dr);
 118                                 edata.KeyInfo.AddClause (new KeyInfoEncryptedKey (ekey));
 119                                 edata.KeyInfo = new KeyInfo ();
 120                                 ekey.KeyInfo.AddClause (new RSAKeyValue (RSA.Create ()));
 121                                 edata.CipherData.CipherValue = encrypted;
 122                                 EncryptedXml.ReplaceElement (doc.DocumentElement, edata, false);
 123                                 doc.Save (new XmlTextWriter (sw));
 124                         }
 125
 126                         // Decryption
 127                         {
 128                                 RijndaelManaged aes = new RijndaelManaged ();
 129                                 aes.Mode = CipherMode.CBC;
 130                                 aes.KeySize = 256;
 131                                 aes.Key = Convert.FromBase64String (
 132                                         "o/ilseZu+keLBBWGGPlUHweqxIPc4gzZEFWr2nBt640=");
 133                                 aes.Padding = PaddingMode.Zeros;
 134
 135                                 XmlDocument doc = new XmlDocument ();
 136                                 doc.PreserveWhitespace = true;
 137                                 doc.LoadXml (sw.ToString ());
 138                                 EncryptedXml encxml = new EncryptedXml (doc);
 139                                 EncryptedData edata = new EncryptedData ();
 140                                 edata.LoadXml (doc.DocumentElement);
 141                                 encxml.ReplaceData (doc.DocumentElement, encxml.DecryptData (edata, aes));
 142                         }
 143                 }
 144         }
 145 }
 146 #endif