On 17 March 2016 at 21:09, Martin Thomson <martin.thom...@gmail.com> wrote:
> On 18 March 2016 at 12:37, Mike Hamburg <m...@shiftleft.org> wrote:
>> No.  The goal should be to remove ciphers, not add new ones, unless we have
>> a really compelling reason.
>
> A necessary, but sufficient set of reasons might include:
>
> 1. thorough cryptanalysis
> 2. advantages over existing ciphers on important metrics like security
> and speed, though this would likely need to be significant at this
> point
> 3. interest in implementation
>
> Speck is 0 from 3.

I might make it .5 for 3. Speck is specifically designed to be a
lightweight cipher for constrained devices. With RC4 dead in the water
- we don't have one of those. (Unless ChaCha20 is better than
Speck/Simon/related...)

That said, we'd still need the other 2.5 - and no, I'm not supporting it either.

-tom

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