2016.05.23 09:21:50 (734645499907694592) from Daniel J. Bernstein, replying to "Paul Crowley (@ciphergoth)" (734586564240506880):
Yes, ^ at the end. Same rotation constants should be good; offhand I'd expect 7 8 12 16 to be worse. Thinking about 1 8 11 16. @ciphergoth
2016.05.22 22:38:40 (734483640973987840) from Daniel J. Bernstein:
Must... do... constructive... tweet... Ok, I'm hereby requesting cryptanalysis of Sorsa20. Salsa20, change + to |; much better for hardware.
2016.05.23 05:27:39 (734586564240506880) from "Paul Crowley (@ciphergoth)":
The + at the end isn't replaced with |, too easy :) With ^?