[Cryptography] RC4 again (actual security, scalability and other discussion)

Miroslav Kratochvil exa.exa at gmail.com
Wed Mar 12 05:55:41 EDT 2014

> This entire discussion is premised on falsehoods.

well, okay :]

There are two possible ways to deal with this fact: (1) Keep adding
> complexity to your design until you do not see how to break it; or (2)
> _simplify_ your design untl it is provably secure, based on minimal
> assumptions, against "unrealistically" powerful attackers.
Good point. Do you know about any symmetric cipher that is _provably_

Only one I know about is SYND that has been proven to reduce to (NP-Hard)
syndrome decoding problem.


I actually have no idea why I have ignored it so far. :D

Thanks for the opinion :]
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