public void CanEncryptAndDecryptIndividualElementValues()
{
var sb = new StringBuilder();
IEncryptionMechanism encryptionMechanism = new Base64EncryptionMechanism();
var options = new TestSerializeOptions {
EncryptionMechanism = encryptionMechanism, SerializationState = new SerializationState()
};
using (var stringWriter = new StringWriter(sb))
{
using (var writer = new XSerializerXmlTextWriter(stringWriter, options))
{
writer.WriteStartElement("foo");
writer.WriteStartElement("bar");
writer.WriteStartAttribute("baz");
writer.WriteValue("123");
writer.WriteEndAttribute();
writer.WriteStartElement("qux");
writer.IsEncryptionEnabled = true;
writer.WriteValue("abc");
writer.IsEncryptionEnabled = false;
writer.WriteEndElement();
writer.WriteEndElement(); // </bar>
writer.WriteStartElement("rab");
writer.WriteStartAttribute("zab");
writer.WriteValue("789");
writer.WriteEndAttribute();
writer.WriteStartElement("xuq");
writer.IsEncryptionEnabled = true;
writer.WriteValue("xyz");
writer.IsEncryptionEnabled = false;
writer.WriteEndElement();
writer.WriteEndElement(); // </rab>
writer.WriteEndElement(); // </foo>
}
}
Func <string, string> e = x => encryptionMechanism.Encrypt(x, null, options.SerializationState);
// reference xml:
// <foo><bar baz="123"><qux>abc</qux></bar><rab zab="789"><xuq>xyz</xuq></rab></foo>
var xml = sb.ToString();
var expectedXml =
"<foo>" +
@"<bar baz=""123"">"
+ "<qux>" + e("abc") + "</qux>"
+ "</bar>" +
@"<rab zab=""789"">"
+ "<xuq>" + e("xyz") + "</xuq>"
+ "</rab>"
+ "</foo>";
Assert.That(xml, Is.EqualTo(expectedXml));
using (var stringReader = new StringReader(xml))
{
using (var xmlReader = new XmlTextReader(stringReader))
{
using (var reader = new XSerializerXmlReader(xmlReader, encryptionMechanism, options.EncryptKey, options.SerializationState))
{
reader.Read(); // None -> <foo>
reader.Read(); // <foo> -> <bar>
Assert.That(reader.GetAttribute("baz"), Is.EqualTo("123"));
reader.Read(); // <bar> -> <qux>
reader.IsDecryptionEnabled = true;
Assert.That(reader.ReadString(), Is.EqualTo("abc")); // <qux> -> "abc" -> </qux>
reader.IsDecryptionEnabled = false;
reader.Read(); // </qux> -> </bar>
reader.Read(); // </bar> -> <rab>
Assert.That(reader.GetAttribute("zab"), Is.EqualTo("789"));
reader.Read(); // <rab> -> <xuq>
reader.IsDecryptionEnabled = true;
Assert.That(reader.ReadString(), Is.EqualTo("xyz")); // <xuq> -> "xyz" -> </xuq>
reader.IsDecryptionEnabled = false;
reader.Read(); // </xuq> -> </rab>
reader.Read(); // </rab> -> </foo>
reader.Read(); // </foo> -> None
Assert.That(reader.NodeType, Is.EqualTo(XmlNodeType.None));
}
}
}
}
public void CanEncryptAndDecryptIndividualElementValues()
{
var sb = new StringBuilder();
IEncryptionMechanism encryptionMechanism = new Base64EncryptionMechanism();
var options = new TestSerializeOptions { EncryptionMechanism = encryptionMechanism, SerializationState = new SerializationState() };
using (var stringWriter = new StringWriter(sb))
{
using (var writer = new XSerializerXmlTextWriter(stringWriter, options))
{
writer.WriteStartElement("foo");
writer.WriteStartElement("bar");
writer.WriteStartAttribute("baz");
writer.WriteValue("123");
writer.WriteEndAttribute();
writer.WriteStartElement("qux");
writer.IsEncryptionEnabled = true;
writer.WriteValue("abc");
writer.IsEncryptionEnabled = false;
writer.WriteEndElement();
writer.WriteEndElement(); // </bar>
writer.WriteStartElement("rab");
writer.WriteStartAttribute("zab");
writer.WriteValue("789");
writer.WriteEndAttribute();
writer.WriteStartElement("xuq");
writer.IsEncryptionEnabled = true;
writer.WriteValue("xyz");
writer.IsEncryptionEnabled = false;
writer.WriteEndElement();
writer.WriteEndElement(); // </rab>
writer.WriteEndElement(); // </foo>
}
}
Func<string, string> e = x => encryptionMechanism.Encrypt(x, null, options.SerializationState);
// reference xml:
// <foo><bar baz="123"><qux>abc</qux></bar><rab zab="789"><xuq>xyz</xuq></rab></foo>
var xml = sb.ToString();
var expectedXml =
"<foo>" +
@"<bar baz=""123"">"
+ "<qux>" + e("abc") + "</qux>"
+ "</bar>" +
@"<rab zab=""789"">"
+ "<xuq>" + e("xyz") + "</xuq>"
+ "</rab>"
+ "</foo>";
Assert.That(xml, Is.EqualTo(expectedXml));
using (var stringReader = new StringReader(xml))
{
using (var xmlReader = new XmlTextReader(stringReader))
{
using (var reader = new XSerializerXmlReader(xmlReader, encryptionMechanism, options.EncryptKey, options.SerializationState))
{
reader.Read(); // None -> <foo>
reader.Read(); // <foo> -> <bar>
Assert.That(reader.GetAttribute("baz"), Is.EqualTo("123"));
reader.Read(); // <bar> -> <qux>
reader.IsDecryptionEnabled = true;
Assert.That(reader.ReadString(), Is.EqualTo("abc")); // <qux> -> "abc" -> </qux>
reader.IsDecryptionEnabled = false;
reader.Read(); // </qux> -> </bar>
reader.Read(); // </bar> -> <rab>
Assert.That(reader.GetAttribute("zab"), Is.EqualTo("789"));
reader.Read(); // <rab> -> <xuq>
reader.IsDecryptionEnabled = true;
Assert.That(reader.ReadString(), Is.EqualTo("xyz")); // <xuq> -> "xyz" -> </xuq>
reader.IsDecryptionEnabled = false;
reader.Read(); // </xuq> -> </rab>
reader.Read(); // </rab> -> </foo>
reader.Read(); // </foo> -> None
Assert.That(reader.NodeType, Is.EqualTo(XmlNodeType.None));
}
}
}
}
