Exemplo n.º 1
0
        public void PropagatedNamespaces_XmlDecryptionTransform(bool addPropagatedNamespace, string expectedResult)
        {
            XmlDocument baseDocument = new XmlDocument();

            baseDocument.LoadXml("<a><b><c xmlns=\"urn:foo\"/></b></a>");

            using (Aes aes = Aes.Create())
            {
                EncryptedXml encryptedXml = new EncryptedXml(baseDocument);
                encryptedXml.AddKeyNameMapping("key", aes);
                XmlElement    bElement      = (XmlElement)baseDocument.DocumentElement.SelectSingleNode("b");
                EncryptedData encryptedData = encryptedXml.Encrypt(bElement, "key");
                EncryptedXml.ReplaceElement(bElement, encryptedData, false);

                XmlDecryptionTransform decryptionTransform = new XmlDecryptionTransform();
                decryptionTransform.EncryptedXml = encryptedXml;
                decryptionTransform.LoadInput(baseDocument);
                if (addPropagatedNamespace)
                {
                    decryptionTransform.PropagatedNamespaces.Add("f", "urn:foo");
                }
                XmlDocument decryptedDocument = (XmlDocument)decryptionTransform.GetOutput(typeof(XmlDocument));

                Assert.Equal(expectedResult, decryptedDocument.OuterXml);
            }
        }
        public void PropagatedNamespaces_XmlDecryptionTransform(bool addPropagatedNamespace, string expectedResult)
        {
            XmlDocument baseDocument = new XmlDocument();

            baseDocument.LoadXml("<a><b><c xmlns=\"urn:foo\"/></b></a>");

            var aes     = CipherUtilities.GetCipher("AES/CBC/PKCS7");
            var random  = new SecureRandom();
            var keyData = new byte[aes.GetBlockSize()];
            var ivData  = new byte[aes.GetBlockSize()];

            random.NextBytes(ivData);
            random.NextBytes(keyData);
            var key = new ParametersWithIV(new KeyParameter(keyData), ivData);

            EncryptedXml encryptedXml = new EncryptedXml(baseDocument);

            encryptedXml.AddKeyNameMapping("key", key);
            XmlElement    bElement      = (XmlElement)baseDocument.DocumentElement.SelectSingleNode("b");
            EncryptedData encryptedData = encryptedXml.Encrypt(bElement, "key");

            EncryptedXml.ReplaceElement(bElement, encryptedData, false);

            XmlDecryptionTransform decryptionTransform = new XmlDecryptionTransform();

            decryptionTransform.EncryptedXml = encryptedXml;
            decryptionTransform.LoadInput(baseDocument);
            if (addPropagatedNamespace)
            {
                decryptionTransform.PropagatedNamespaces.Add("f", "urn:foo");
            }
            XmlDocument decryptedDocument = (XmlDocument)decryptionTransform.GetOutput(typeof(XmlDocument));

            Assert.Equal(expectedResult, decryptedDocument.OuterXml);
        }