public IKdf GetKdfInstance(KdfModes kdfMode, MacModes macMode, CounterLocations counterLocation, int counterLength = 0)
{
var mac = GetMacInstance(macMode);
switch (kdfMode)
{
case KdfModes.Counter:
return(new CounterKdf(mac, counterLocation, counterLength));
case KdfModes.Feedback:
return(new FeedbackKdf(mac, counterLocation, counterLength));
case KdfModes.Pipeline:
return(new PipelineKdf(mac, counterLocation, counterLength));
default:
throw new ArgumentException("KDF Mode not supported");
}
}
public void ShouldReturnProperKdfInstance(KdfModes kdfType, Type expectedType)
{
var result = _subject.GetKdfInstance(kdfType, MacModes.CMAC_AES128, CounterLocations.None);
Assert.IsInstanceOf(expectedType, result);
}