private void DecryptDocument(X509Certificate2 decryptionSertificate)
        {
            var encryptedNode = ResponseDocument.SelectSingleNode("/env:Envelope/env:Body/xenc:EncryptedData", Nsmgr) as XmlElement;
            if (encryptedNode == null)
                return;

            var encryptedXml = new EncryptedXml(ResponseDocument);
            var encryptedData = new EncryptedData();
            encryptedData.LoadXml(encryptedNode);

            var privateKey = decryptionSertificate.PrivateKey as RSACryptoServiceProvider;
            var cipher = ResponseDocument.SelectSingleNode("/env:Envelope/env:Header/wsse:Security/xenc:EncryptedKey/xenc:CipherData/xenc:CipherValue", Nsmgr).InnerText;

            AesManaged aes = new AesManaged
            {
                Mode = CipherMode.CBC,
                KeySize = 256,
                Padding = PaddingMode.None,
                Key = privateKey.Decrypt(Convert.FromBase64String(cipher), true)
            };

            encryptedXml.ReplaceData(encryptedNode, encryptedXml.DecryptData(encryptedData, aes));
        }
Пример #2
0
        public void Decrypt(XmlDocument document, X509Certificate2 encryptionCert)
        {
            var assertion = document.FindChild(EncryptedAssertion);
            if (assertion == null) return; // Not encrypted, shame on them.

            var data = document.EncryptedChild("EncryptedData");
            var keyElement = assertion.EncryptedChild("EncryptedKey");

            var encryptedData = new EncryptedData();
            encryptedData.LoadXml(data);

            var encryptedKey = new EncryptedKey();
            encryptedKey.LoadXml(keyElement);

            var encryptedXml = new EncryptedXml(document);

            // Get encryption secret key used by decrypting with the encryption certificate's private key
            var secretKey = GetSecretKey(encryptedKey, encryptionCert.PrivateKey);

            // Seed the decryption algorithm with secret key and then decrypt
            var algorithm = GetSymmetricBlockEncryptionAlgorithm(encryptedData.EncryptionMethod.KeyAlgorithm);
            algorithm.Key = secretKey;
            var decryptedBytes = encryptedXml.DecryptData(encryptedData, algorithm);

            // Put decrypted xml elements back into the document in place of the encrypted data
            encryptedXml.ReplaceData(assertion, decryptedBytes);
        }
Пример #3
0
		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));
			}
		}
Пример #4
0
        /// <summary>
        /// 解密数据.
        /// </summary>
        /// <param name="Doc"></param>
        /// <param name="Alg"></param>
        public static void Decrypt(XmlDocument Doc, SymmetricAlgorithm Alg)
        {
            // Check the arguments.
            if (Doc == null)
                throw new ArgumentNullException("Doc");
            if (Alg == null)
                throw new ArgumentNullException("Alg");

            // Find the EncryptedData element in the XmlDocument.
            XmlElement encryptedElement = Doc.GetElementsByTagName("EncryptedData")[0] as XmlElement;

            // If the EncryptedData element was not found, throw an exception.
            if (encryptedElement == null)
            {
                throw new XmlException("The EncryptedData element was not found.");
            }

            // Create an EncryptedData object and populate it.
            EncryptedData edElement = new EncryptedData();
            edElement.LoadXml(encryptedElement);

            // Create a new EncryptedXml object.
            EncryptedXml exml = new EncryptedXml();

            // Decrypt the element using the symmetric key.
            byte[] rgbOutput = exml.DecryptData(edElement, Alg);

            // Replace the encryptedData element with the plaintext XML element.
            exml.ReplaceData(encryptedElement, rgbOutput);
        }
 public static void DecryptElement(XmlElement encryptedElement, string password)
 {
     RijndaelWrapper wrapper = new RijndaelWrapper(password);
     EncryptedData data = new EncryptedData();
     data.LoadXml(encryptedElement);
     EncryptedXml result = new EncryptedXml();
     byte[] decrypted = result.DecryptData(data, wrapper.SymmetricAlgorithm);
     result.ReplaceData(encryptedElement, decrypted);
 }
Пример #6
0
        /// <summary>
        /// An example on how to decrypt an encrypted assertion.
        /// </summary>
        /// <param name="file">The file.</param>
        public static void DecryptAssertion(string file)
        {
            var doc = new XmlDocument();
            doc.Load(file);
            var encryptedDataElement = GetElement(Schema.XEnc.EncryptedData.ElementName, Saml20Constants.Xenc, doc);

            var encryptedData = new EncryptedData();
            encryptedData.LoadXml(encryptedDataElement);

            var nodelist = doc.GetElementsByTagName(Schema.XmlDSig.KeyInfo.ElementName, Saml20Constants.Xmldsig);
            Assert.That(nodelist.Count > 0);

            var key = new KeyInfo();
            key.LoadXml((XmlElement)nodelist[0]);

            // Review: Is it possible to figure out which certificate to load based on the Token?
            /*
             * Comment:
             * It would be possible to provide a key/certificate identifier in the EncryptedKey element, which contains the "recipient" attribute.
             * The implementation (Safewhere.Tokens.Saml20.Saml20EncryptedAssertion) currently just expects an appropriate asymmetric key to be provided,
             * and is not not concerned about its origin.
             * If the need arises, we can easily extend the Saml20EncryptedAssertion class with a property that allows extraction key info, eg. the "recipient"
             * attribute.
             */
            var cert = new X509Certificate2(@"Certificates\sts_dev_certificate.pfx", "test1234");

            // ms-help://MS.MSDNQTR.v80.en/MS.MSDN.v80/MS.NETDEVFX.v20.en/CPref18/html/T_System_Security_Cryptography_Xml_KeyInfoClause_DerivedTypes.htm
            // Look through the list of KeyInfo elements to find the encrypted key.
            SymmetricAlgorithm symmetricKey = null;
            foreach (KeyInfoClause keyInfoClause in key)
            {
                if (keyInfoClause is KeyInfoEncryptedKey)
                {
                    var keyInfoEncryptedKey = (KeyInfoEncryptedKey)keyInfoClause;
                    var encryptedKey = keyInfoEncryptedKey.EncryptedKey;
                    symmetricKey = new RijndaelManaged
                                       {
                                           Key = EncryptedXml.DecryptKey(encryptedKey.CipherData.CipherValue, (RSA)cert.PrivateKey, false)
                                       };
                }
            }

            // Explode if we didn't manage to find a viable key.
            Assert.IsNotNull(symmetricKey);
            var encryptedXml = new EncryptedXml();
            var plaintext = encryptedXml.DecryptData(encryptedData, symmetricKey);

            var assertion = new XmlDocument();
            assertion.Load(new StringReader(System.Text.Encoding.UTF8.GetString(plaintext)));

            // A very simple test to ensure that there is indeed an assertion in the plaintext.
            Assert.AreEqual(Assertion.ElementName, assertion.DocumentElement.LocalName);
            Assert.AreEqual(Saml20Constants.Assertion, assertion.DocumentElement.NamespaceURI);

            // At this point, assertion will contain a decrypted assertion.
        }
Пример #7
0
        internal static XmlDocument GetPlainAsertion(SecurityTokenResolver securityTokenResolver, XmlElement el)
        {
            var encryptedDataElement = GetElement(HttpRedirectBindingConstants.EncryptedData, Saml20Constants.Xenc, el);

            var encryptedData = new System.Security.Cryptography.Xml.EncryptedData();

            encryptedData.LoadXml(encryptedDataElement);
            var encryptedKey        = new System.Security.Cryptography.Xml.EncryptedKey();
            var encryptedKeyElement = GetElement(HttpRedirectBindingConstants.EncryptedKey, Saml20Constants.Xenc, el);

            encryptedKey.LoadXml(encryptedKeyElement);
            var securityKeyIdentifier = new SecurityKeyIdentifier();

            foreach (KeyInfoX509Data v in encryptedKey.KeyInfo)
            {
                foreach (X509Certificate2 cert in v.Certificates)
                {
                    var cl = new X509RawDataKeyIdentifierClause(cert);
                    securityKeyIdentifier.Add(cl);
                }
            }

            var         clause = new EncryptedKeyIdentifierClause(encryptedKey.CipherData.CipherValue, encryptedKey.EncryptionMethod.KeyAlgorithm, securityKeyIdentifier);
            SecurityKey key;
            var         success = securityTokenResolver.TryResolveSecurityKey(clause, out key);

            if (!success)
            {
                throw new InvalidOperationException("Cannot locate security key");
            }

            SymmetricSecurityKey symmetricSecurityKey = key as SymmetricSecurityKey;

            if (symmetricSecurityKey == null)
            {
                throw new InvalidOperationException("Key must be symmentric key");
            }

            SymmetricAlgorithm symmetricAlgorithm = symmetricSecurityKey.GetSymmetricAlgorithm(encryptedData.EncryptionMethod.KeyAlgorithm);
            var encryptedXml = new System.Security.Cryptography.Xml.EncryptedXml();

            var plaintext = encryptedXml.DecryptData(encryptedData, symmetricAlgorithm);
            var assertion = new XmlDocument {
                PreserveWhitespace = true
            };

            assertion.Load(new StringReader(Encoding.UTF8.GetString(plaintext)));
            return(assertion);
        }
Пример #8
0
		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));
		}
        static void Main(string[] args)
        {
            byte[] bytes = System.Text.Encoding.Unicode.GetBytes(args[0]);
                System.Security.Cryptography.RijndaelManaged rijndaelManaged = new System.Security.Cryptography.RijndaelManaged();
                rijndaelManaged.Key = bytes;

                XmlDocument xmlDocument = new XmlDocument();
                xmlDocument.PreserveWhitespace = true;
                xmlDocument.Load("needfiles");

                XmlElement xmlElement = xmlDocument.GetElementsByTagName("EncryptedData")[0] as XmlElement;
                            EncryptedData encryptedData = new EncryptedData();
                            encryptedData.LoadXml(xmlElement);
                            EncryptedXml encryptedXml = new EncryptedXml();
                            byte[] decryptedData = encryptedXml.DecryptData(encryptedData, rijndaelManaged);
                encryptedXml.ReplaceData(xmlElement, decryptedData);

                if (rijndaelManaged != null)
                {
                    rijndaelManaged.Clear();
                }
                Console.WriteLine(xmlDocument.OuterXml);
        }
Пример #10
0
		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));
			}
		}
Пример #11
0
		public void DecryptData_SymmetricAlgorithmNull ()
		{
			EncryptedXml ex = new EncryptedXml ();
			ex.DecryptData (new EncryptedData (), null);
		}
Пример #12
0
		public void DecryptData_EncryptedDataNull ()
		{
			EncryptedXml ex = new EncryptedXml ();
			ex.DecryptData (null, Rijndael.Create ());
		}
Пример #13
0
        /// <summary>
        /// Decrypts the assertion using the key given as the method parameter. The resulting assertion
        /// is available through the <code>Assertion</code> property.
        /// </summary>
        /// <exception cref="Saml20FormatException">Thrown if it not possible to decrypt the assertion.</exception>
        public void Decrypt()
        {
            if (TransportKey == null)
            {
                throw new InvalidOperationException("The \"TransportKey\" property must contain the asymmetric key to decrypt the assertion.");
            }

            if (_encryptedAssertion == null)
            {
                throw new InvalidOperationException("Unable to find the <EncryptedAssertion> element. Use a constructor or the LoadXml - method to set it.");
            }

            var encryptedDataElement = GetElement(Schema.XEnc.EncryptedData.ElementName, Saml20Constants.Xenc, _encryptedAssertion.DocumentElement);
            var encryptedData = new EncryptedData();
            encryptedData.LoadXml(encryptedDataElement);

            SymmetricAlgorithm sessionKey;
            if (encryptedData.EncryptionMethod != null)
            {
                _sessionKeyAlgorithm = encryptedData.EncryptionMethod.KeyAlgorithm;
                sessionKey = ExtractSessionKey(_encryptedAssertion, _sessionKeyAlgorithm);
            }
            else
            {
                sessionKey = ExtractSessionKey(_encryptedAssertion);
            }

            /*
             * NOTE: 
             * The EncryptedXml class can't handle an <EncryptedData> element without an underlying <EncryptionMethod> element,
             * despite the standard dictating that this is ok. 
             * If this becomes a problem with other IDPs, consider adding a default EncryptionMethod instance manually before decrypting.
             */
            var encryptedXml = new EncryptedXml();
            var plaintext = encryptedXml.DecryptData(encryptedData, sessionKey);

            Assertion = new XmlDocument { PreserveWhitespace = true };
            try
            {
                Assertion.Load(new StringReader(Encoding.UTF8.GetString(plaintext)));
            }
            catch (XmlException e)
            {
                Assertion = null;
                throw new Saml20FormatException("Unable to parse the decrypted assertion.", e);
            }
        }
		XmlElement VerifyInput2 (MessageBuffer buf)
		{
			Message msg2 = buf.CreateMessage ();
			StringWriter sw = new StringWriter ();
			using (XmlDictionaryWriter w = XmlDictionaryWriter.CreateDictionaryWriter (XmlWriter.Create (sw))) {
				msg2.WriteMessage (w);
			}
			XmlDocument doc = new XmlDocument ();
			doc.PreserveWhitespace = true;
			doc.LoadXml (sw.ToString ());

			// decrypt the key with service certificate privkey
			PaddingMode mode = PaddingMode.PKCS7; // not sure which is correct ... ANSIX923, ISO10126, PKCS7, Zeros, None.
			EncryptedXml encXml = new EncryptedXml (doc);
			encXml.Padding = mode;
			X509Certificate2 cert2 = new X509Certificate2 ("Test/Resources/test.pfx", "mono");
			XmlNamespaceManager nsmgr = new XmlNamespaceManager (doc.NameTable);
			nsmgr.AddNamespace ("s", "http://www.w3.org/2003/05/soap-envelope");
			nsmgr.AddNamespace ("c", "http://schemas.xmlsoap.org/ws/2005/02/sc");
			nsmgr.AddNamespace ("o", "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd");
			nsmgr.AddNamespace ("e", "http://www.w3.org/2001/04/xmlenc#");
			nsmgr.AddNamespace ("dsig", "http://www.w3.org/2000/09/xmldsig#");
			XmlNode n = doc.SelectSingleNode ("//o:Security/e:EncryptedKey/e:CipherData/e:CipherValue", nsmgr);
			Assert.IsNotNull (n, "premise: enckey does not exist");
			string raw = n.InnerText;
			byte [] rawbytes = Convert.FromBase64String (raw);
			RSACryptoServiceProvider rsa = (RSACryptoServiceProvider) cert2.PrivateKey;
			byte [] decryptedKey = EncryptedXml.DecryptKey (rawbytes, rsa, true);//rsa.Decrypt (rawbytes, true);

#if false
			// create derived keys
			Dictionary<string,byte[]> keys = new Dictionary<string,byte[]> ();
			InMemorySymmetricSecurityKey skey =
				new InMemorySymmetricSecurityKey (decryptedKey);
			foreach (XmlElement el in doc.SelectNodes ("//o:Security/c:DerivedKeyToken", nsmgr)) {
				n = el.SelectSingleNode ("c:Offset", nsmgr);
				int offset = (n == null) ? 0 :
					int.Parse (n.InnerText, CultureInfo.InvariantCulture);
				n = el.SelectSingleNode ("c:Length", nsmgr);
				int length = (n == null) ? 32 :
					int.Parse (n.InnerText, CultureInfo.InvariantCulture);
				n = el.SelectSingleNode ("c:Label", nsmgr);
				byte [] label = (n == null) ? decryptedKey :
					Convert.FromBase64String (n.InnerText);
				n = el.SelectSingleNode ("c:Nonce", nsmgr);
				byte [] nonce = (n == null) ? new byte [0] :
					Convert.FromBase64String (n.InnerText);
				byte [] derkey = skey.GenerateDerivedKey (
					//SecurityAlgorithms.Psha1KeyDerivation,
					"http://schemas.xmlsoap.org/ws/2005/02/sc/dk/p_sha1",
// FIXME: maybe due to the label, this key resolution somehow does not seem to work.
					label,
					nonce,
					length * 8,
					offset);

				keys [el.GetAttribute ("Id", "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd")] = derkey;
			}
#endif

			// decrypt the signature with the decrypted key
#if true
			n = doc.SelectSingleNode ("//o:Security/e:EncryptedData/e:CipherData/e:CipherValue", nsmgr);
			Assert.IsNotNull (n, "premise: encdata does not exist");
			raw = n.InnerText;
			rawbytes = Convert.FromBase64String (raw);
			Rijndael aes = RijndaelManaged.Create ();
//			aes.Key = keys [n.SelectSingleNode ("../../dsig:KeyInfo/o:SecurityTokenReference/o:Reference/@URI", nsmgr).InnerText.Substring (1)];
			aes.Key = decryptedKey;
			aes.Mode = CipherMode.CBC;
			aes.Padding = mode;
			MemoryStream ms = new MemoryStream ();
			CryptoStream cs = new CryptoStream (ms, aes.CreateDecryptor (), CryptoStreamMode.Write);
			cs.Write (rawbytes, 0, rawbytes.Length);
			cs.Close ();
			byte [] decryptedSignature = ms.ToArray ();
#else
			Rijndael aes = RijndaelManaged.Create ();
//			aes.Key = keys [n.SelectSingleNode ("../../dsig:KeyInfo/o:SecurityTokenReference/o:Reference/@URI", nsmgr).InnerText.Substring (1)];
			aes.Key = decryptedKey;
			aes.Mode = CipherMode.CBC;
			aes.Padding = mode;

			EncryptedData ed = new EncryptedData ();
			n = doc.SelectSingleNode ("//o:Security/e:EncryptedData", nsmgr);
			Assert.IsNotNull (n, "premise: encdata does not exist");
			ed.LoadXml (n as XmlElement);
			byte [] decryptedSignature = encXml.DecryptData (ed, aes);
#endif
//Console.Error.WriteLine (Encoding.UTF8.GetString (decryptedSignature));
//Console.Error.WriteLine ("============= Decrypted Signature End ===========");

			// decrypt the body with the decrypted key
#if true
			n = doc.SelectSingleNode ("//s:Body/e:EncryptedData/e:CipherData/e:CipherValue", nsmgr);
			Assert.IsNotNull (n, "premise: encdata does not exist");
			raw = n.InnerText;
			rawbytes = Convert.FromBase64String (raw);
//			aes.Key = keys [n.SelectSingleNode ("../../dsig:KeyInfo/o:SecurityTokenReference/o:Reference/@URI", nsmgr).InnerText.Substring (1)];
			aes.Key = decryptedKey;
			ms = new MemoryStream ();
			cs = new CryptoStream (ms, aes.CreateDecryptor (), CryptoStreamMode.Write);
			cs.Write (rawbytes, 0, rawbytes.Length);
			cs.Close ();
			byte [] decryptedBody = ms.ToArray ();
#else
			// decrypt the body with the decrypted key
			EncryptedData ed2 = new EncryptedData ();
			XmlElement el = doc.SelectSingleNode ("/s:Envelope/s:Body/e:EncryptedData", nsmgr) as XmlElement;
			ed2.LoadXml (el);
//			aes.Key = keys [n.SelectSingleNode ("../../dsig:KeyInfo/o:SecurityTokenReference/o:Reference/@URI", nsmgr).InnerText.Substring (1)];
			aes.Key = decryptedKey;
			byte [] decryptedBody = encXml.DecryptData (ed2, aes);
#endif
//foreach (byte b in decryptedBody) Console.Error.Write ("{0:X02} ", b);
Console.Error.WriteLine (Encoding.UTF8.GetString (decryptedBody));
Console.Error.WriteLine ("============= Decrypted Body End ===========");

			// FIXME: find out what first 16 bytes mean.
			for (int mmm = 0; mmm < 16; mmm++) decryptedBody [mmm] = 0x20;
			doc.LoadXml (Encoding.UTF8.GetString (decryptedBody));
			Assert.AreEqual ("RequestSecurityToken", doc.DocumentElement.LocalName, "#b-1");
			Assert.AreEqual ("http://schemas.xmlsoap.org/ws/2005/02/trust", doc.DocumentElement.NamespaceURI, "#b-2");

			return doc.DocumentElement;
		}
Пример #15
0
 //解密
 private void btnJieMi_Click(object sender, EventArgs e)
 {
     try
     {
         RijndaelManaged key = new RijndaelManaged();
         key.IV = keyIv;
         key.Key = keyKey;
         XmlDocument Doc = new XmlDocument();
         Doc.PreserveWhitespace = true;
         Doc.Load(this.label1.Text);
         XmlElement encryptedElement = Doc.GetElementsByTagName("EncryptedData")[0] as XmlElement;
         if (encryptedElement == null)
         {
             throw new XmlException("T错误!");
         }
         EncryptedData edElement = new EncryptedData();
         edElement.LoadXml(encryptedElement);
         EncryptedXml exml = new EncryptedXml();//利用它解密
         byte[] rgbOutput = exml.DecryptData(edElement, key);//利用解药解密
         exml.ReplaceData(encryptedElement, rgbOutput);//替换密文部分
         Doc.Save(this.label1.Text);
         succes();
     }
     catch (Exception ex)
     {
         fail();
     }
 }
Пример #16
0
 // Methods
 private static void Decrypt(XmlDocument doc, SymmetricAlgorithm alg)
 {
     XmlElement element = doc.GetElementsByTagName("EncryptedData")[0] as XmlElement;
     EncryptedData encryptedData = new EncryptedData();
     encryptedData.LoadXml(element);
     EncryptedXml xml = new EncryptedXml();
     byte[] decryptedData = xml.DecryptData(encryptedData, alg);
     xml.ReplaceData(element, decryptedData);
 }