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Re: [TLS] Deprecating more (DSA?)

Samuel Neves <sneves@dei.uc.pt> Sat, 19 April 2014 19:53 UTC

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Date: Sat, 19 Apr 2014 20:52:56 +0100
From: Samuel Neves <sneves@dei.uc.pt>
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Subject: Re: [TLS] Deprecating more (DSA?)
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On 19-04-2014 18:44, Watson Ladd wrote:
> >From some cursory research, hash functions are the real issue here.
> AES is byte-oriented, but Keccak is slow as molasses at big capacities
> sans SIMD. SHA-256 and friends all use 32 bit addition. Anyone got AVR
> benchmark data?

The XBX team's report on SHA-3 finalists [1] might be of use here. It argues that memory, rather than CPU cycles, is the
primary concern on 8-bit CPUs, and ends up recommending Keccak for the Atmel ATmega 1284P.

[1] http://csrc.nist.gov/groups/ST/hash/sha-3/Round3/March2012/documents/papers/WENZEL_BENNER_paper.pdf

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