Re: Poly1305 on sparc

>On 2015-03-24, Damien Miller <[email protected]> wrote:
>
>> CVSROOT:	/cvs
>> Module name:	src
>> Changes by:	[email protected]	2015/03/24 03:17:21
>>
>> Modified files:
>> 	usr.bin/ssh    : myproposal.h 
>>
>> Log message:
>> promote [email protected] to be the default cipher;
>> ok markus
>
>FWIW, Poly1305 uses _a lot_ of multiplications.  I expect it to
>perform poorly with SPARC V7 code.
>
>In fact, UMAC from the previous default of aes128-ctr +
>[email protected] already uses quite a lot of multiplications,
>although fewer than Poly1305, and I suspect it underperforms with
>SPARC V7.
>
>People who find scp throughput very slow on sparc may want to
>experiment with switching to aes128-ctr plus one of the
>hmac-*[email protected] MACs.

Well, I don't think the world will fall over as a result.  Slow
machines becoming slower, nothing else new :-)