CIFF is clearly derived from RIFF: https://en.wikipedia.org/wiki/Resource_Interchange_File_Format https://en.wikipedia.org/wiki/Resource_Interchange_File_Form..

CIFF is clearly derived from RIFF: https://en.wikipedia.org/wiki/Resource_Interchange_File_Format https://en.wikipedia.org/wiki/Resource_Interchange_File_Form... I've done similar myself, because it's so easy to specify. I've also done the "how to hide a secret in a .NET application in such a way that it will be somewhat time consuming to extract it", which is about the most you can hope for.