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Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF

From "Jason A. Donenfeld" <Jason@zx2c4.com>
Newsgroups linux.kernel
Subject Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF
Date 2016-12-16 23:20 +0100
Message-ID <sP918-11E-27@gated-at.bofh.it> (permalink)
References <sP7C2-8t1-21@gated-at.bofh.it> <sP918-11E-29@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, Dec 16, 2016 at 11:13 PM, George Spelvin
<linux@sciencehorizons.net> wrote:
> Remembering that on "real" machines it's full SipHash, then I'd say that
> 64-bit security + rekeying seems reasonable.

64-bit security for an RNG is not reasonable even with rekeying. No no
no. Considering we already have a massive speed-up here with the
secure version, there's zero reason to start weakening the security
because we're trigger happy with our benchmarks. No no no.

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Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-16 04:50 +0100
  Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "Jason A. Donenfeld" <Jason@zx2c4.com> - 2016-12-16 13:50 +0100
    Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "Jason A. Donenfeld" <Jason@zx2c4.com> - 2016-12-16 17:00 +0100
      Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-16 18:40 +0100
        Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "Jason A. Donenfeld" <Jason@zx2c4.com> - 2016-12-16 19:10 +0100
          Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-16 21:20 +0100
            Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF Theodore Ts'o <tytso@mit.edu> - 2016-12-16 21:50 +0100
              Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "Jason A. Donenfeld" <Jason@zx2c4.com> - 2016-12-16 23:20 +0100
                Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-17 00:50 +0100
                Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "Jason A. Donenfeld" <Jason@zx2c4.com> - 2016-12-17 02:50 +0100
                Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-17 03:20 +0100
                Re: [kernel-hardening] Re: [PATCH v5 1/4] siphash: add  cryptographically secure PRF Theodore Ts'o <tytso@mit.edu> - 2016-12-17 16:50 +0100
                Re: [kernel-hardening] Re: [PATCH v5 1/4] siphash: add  cryptographically secure PRF Jeffrey Walton <noloader@gmail.com> - 2016-12-17 17:20 +0100
                Re: [kernel-hardening] Re: [PATCH v5 1/4] siphash: add  cryptographically secure PRF "Jason A. Donenfeld" <Jason@zx2c4.com> - 2016-12-19 18:30 +0100
              Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-16 23:20 +0100
                Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF Andy Lutomirski <luto@amacapital.net> - 2016-12-16 23:20 +0100
      Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-17 13:50 +0100
    Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF Tom Herbert <tom@herbertland.com> - 2016-12-16 20:50 +0100
      Re: [kernel-hardening] Re: [PATCH v5 1/4] siphash: add  cryptographically secure PRF Daniel Micay <danielmicay@gmail.com> - 2016-12-16 21:50 +0100
        Re: [kernel-hardening] Re: [PATCH v5 1/4] siphash: add  cryptographically secure PRF "Jason A. Donenfeld" <Jason@zx2c4.com> - 2016-12-16 22:10 +0100
      Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-16 21:50 +0100
        Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF Tom Herbert <tom@herbertland.com> - 2016-12-16 22:00 +0100
      Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-17 16:30 +0100
        RE: [PATCH v5 1/4] siphash: add cryptographically secure PRF David Laight <David.Laight@ACULAB.COM> - 2016-12-19 15:20 +0100
          RE: [PATCH v5 1/4] siphash: add cryptographically secure PRF "George Spelvin" <linux@sciencehorizons.net> - 2016-12-19 19:20 +0100
    Re: [PATCH v5 1/4] siphash: add cryptographically secure PRF "Jason A. Donenfeld" <Jason@zx2c4.com> - 2016-12-16 21:50 +0100

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