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Date: Tue, 13 Dec 2016 00:04:27 +0100
From: "Jason A. Donenfeld" <>
To: Andi Kleen <>
Cc: Linus Torvalds <>, 
	"" <>, LKML <>, 
	Linux Crypto Mailing List <>, George Spelvin <>, 
	Scott Bauer <>, Andy Lutomirski <>, 
	Greg KH <>, Eric Biggers <>, 
	Jean-Philippe Aumasson <>, "Daniel J . Bernstein" <>
Subject: Re: [PATCH v3] siphash: add cryptographically secure hashtable function

On Tue, Dec 13, 2016 at 12:01 AM, Andi Kleen <> wrote:
> It would be nice if the network code could be converted to use siphash
> for the secure sequence numbers. Right now it pulls in a lot of code
> for bigger secure hashes just for that, which is a problem for tiny
> kernels.

Indeed this would be a great first candidate. There are lots of places
where MD5 (!!) is pulled in for this sort of thing, when SipHash could
be a faster and leaner replacement (and arguably more secure than
rusty MD5).

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