3 ms·
> It was used as a hash, and every TEA key has an equivalent alter-ego key or something, I forget the details. It's that flipping bit 16 and 31 of a 32-bit wor
by pcwalton 2y ago
> It was used as a hash, and every TEA key has an equivalent alter-ego key or something, I forget the details.
It's that flipping bit 16 and 31 of a 32-bit word makes the end TEA state the same [1].
[1]: https://events.ccc.de/congress/2005/fahrplan/attachments/591-paper_xbox.pdf https://events.ccc.de/congress/2005/fahrplan/attachments/591...