Well, that and the explanation is missing the details. Conceptually being able to construct something like that from XOR and NOT primitives is stuff from underg

Well, that and the explanation is missing the details. Conceptually being able to construct something like that from XOR and NOT primitives is stuff from undergrad computer engineering curriculum. But it's certainly a respectable feat to find this combination of compression format and the vulnerability therein of all the supported formats, and think to apply it like this.