Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Fri, 16 Dec 2016 15:44:27 -0500
From: Daniel Micay <>
To:, "Jason A. Donenfeld"
Cc: Jean-Philippe Aumasson <>, George Spelvin
 <>, Andi Kleen <>, David Miller
 <>, David Laight <>, Eric Biggers
 <>, Hannes Frederic Sowa <>, 
 Linux Crypto Mailing List <>, LKML
 <>, Andy Lutomirski <>, 
 Netdev <>, Linus Torvalds
 <>, Theodore Ts'o <>,, "Daniel J . Bernstein" <>
Subject: Re: Re: [PATCH v5 1/4] siphash: add
 cryptographically secure PRF

On Fri, 2016-12-16 at 11:47 -0800, Tom Herbert wrote:
> That's about 3x of jhash speed (7 nsecs). So that might closer
> to a more palatable replacement for jhash. Do we lose any security
> advantages with halfsiphash?

Have you tested a lower round SipHash? Probably best to stick with the
usual construction for non-DoS mitigation, but why not try SipHash 1-3,
1-2, etc. for DoS mitigation?

Rust and Swift both went with SipHash 1-3 for hash tables.
Download attachment "signature.asc" of type "application/pgp-signature" (867 bytes)

Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.