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Date: Wed, 21 Dec 2016 23:29:12 +0100
From: "Jason A. Donenfeld" <>
To:, "Theodore Ts'o" <>, 
	George Spelvin <>, Eric Dumazet <>, 
	Jason <>, Andi Kleen <>, David Miller <>, 
	David Laight <>, "Daniel J . Bernstein" <>, 
	Eric Biggers <>, Hannes Frederic Sowa <>, 
	Jean-Philippe Aumasson <>, 
	Linux Crypto Mailing List <>, LKML <>, 
	Andy Lutomirski <>, Netdev <>, 
	Tom Herbert <>, Linus Torvalds <>, 
	Vegard Nossum <>
Subject: Re: Re: HalfSipHash Acceptable Usage

On Wed, Dec 21, 2016 at 11:27 PM, Theodore Ts'o <> wrote:
> And "with enough registers" includes ARM and MIPS, right?  So the only
> real problem is 32-bit x86, and you're right, at that point, only
> people who might care are people who are using a space-radiation
> hardened 386 --- and they're not likely to be doing high throughput
> TCP connections.  :-)

Plus the benchmark was bogus anyway, and when I built a more specific
harness -- actually comparing the TCP sequence number functions --
SipHash was faster than MD5, even on register starved x86. So I think
we're fine and this chapter of the discussion can come to a close, in
order to move on to more interesting things.

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