2018.09.18 21:47:53 (1042138156869529600) from Daniel J. Bernstein:
Experimenting with several variants of the TEA cipher as a teaching tool (TEAching tool, I guess) for cipher cryptanalysis: https://cr.yp.to/talks/2018.09.18/slides-djb-20180918-primitives-4x3.pdf Are there any common cipher attacks that _can't_ be illustrated with TEA or minor variants of TEA? See also https://www.rose-hulman.edu/~holden/Preprints/stea-paper-revised.pdf.