public void Signing()
{
const string xml =
@"<!-- root comment -->
<root>
<child>content</child>
</root>";
var xDocument = XDocument.Parse(xml);
var signedDocument = new SignedXDocument(xDocument);
Assert.AreNotEqual(xDocument.ToString(), signedDocument.Sign().ToString());
}
public void Verification()
{
const string xml =
@"<!-- root comment -->
<root>
<child>content</child>
</root>";
var xDocument = XDocument.Parse(xml);
var signedDocument = new SignedXDocument(xDocument);
var withSignature = signedDocument.Sign();
Assert.IsTrue(SignedXDocument.Verify(withSignature));
}
public void VerificationAltered()
{
const string xml =
@"<!-- root comment -->
<root>
<child>content</child>
</root>";
var xDocument = XDocument.Parse(xml);
var signedDocument = new SignedXDocument(xDocument);
var withSignature = signedDocument.Sign();
var altered = new XDocument(withSignature);
altered.Root?.Add(new XElement(@"dummy"));
Assert.IsFalse(SignedXDocument.Verify(altered));
}
public void VerificationWithProperties()
{
const string xml =
@"<!-- root comment -->
<root>
<child>content</child>
</root>";
var xDocument = XDocument.Parse(xml);
var signedDocument = new SignedXDocument(xDocument)
{
SignatureProperties = new List <XElement>
{
new XElement(@"SomeProperty", @"SomeValue")
}
};
var withSignature = signedDocument.Sign();
Assert.IsTrue(SignedXDocument.Verify(withSignature));
}
public void SigningWithProperties()
{
const string xml =
@"<!-- root comment -->
<root>
<child>content</child>
</root>";
var xDocument = XDocument.Parse(xml);
var signedDocument = new SignedXDocument(xDocument)
{
SignatureProperties = new List <XElement>
{
new XElement(@"Property1", @"SomeValue1"),
new XElement(@"Property2", @"SomeValue2")
}
};
Assert.AreNotEqual(xDocument.ToString(), signedDocument.Sign().ToString());
}
public void VerificationWithPropertiesAltered()
{
const string xml =
@"<!-- root comment -->
<root>
<child>content</child>
</root>";
var xDocument = XDocument.Parse(xml);
var signedDocument = new SignedXDocument(xDocument)
{
SignatureProperties = new List <XElement>
{
new XElement(@"SomeProperty", @"SomeValue", new [] { new XAttribute(@"Id", @"property") })
}
};
var withSignature = signedDocument.Sign();
var altered = new XDocument(withSignature);
var propertyNode = altered.XPathSelectElement(@"//*[@Id='property']");
propertyNode?.SetValue(@"SomeAlteredValue");
Assert.IsFalse(SignedXDocument.Verify(altered));
}