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| Started by | Geert Uytterhoeven <geert@linux-m68k.org> |
|---|---|
| First post | 2017-02-23 11:30 +0100 |
| Last post | 2017-02-23 11:30 +0100 |
| Articles | 1 — 1 participant |
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SIPHASH (was: Re: [GIT] Networking) Geert Uytterhoeven <geert@linux-m68k.org> - 2017-02-23 11:30 +0100
| From | Geert Uytterhoeven <geert@linux-m68k.org> |
|---|---|
| Date | 2017-02-23 11:30 +0100 |
| Subject | SIPHASH (was: Re: [GIT] Networking) |
| Message-ID | <tdYOS-8mZ-17@gated-at.bofh.it> |
Hi Jason,
On Wed, Feb 22, 2017 at 5:31 AM, David Miller <davem@davemloft.net> wrote:
> 3) Introduce SIPHASH and it's usage for secure sequence numbers and
> syncookies. From Jason A. Donenfeld.
> Jason A. Donenfeld (4):
> siphash: add cryptographically secure PRF
> siphash: implement HalfSipHash1-3 for hash tables
> secure_seq: use SipHash in place of MD5
> syncookies: use SipHash in place of SHA1
bloat-o-meter v4.10.. says:
add/remove: 338/127 grow/shrink: 604/310 up/down: 86156/-24117 (62039)
...
siphash_4u64 - 5006 +5006
siphash_3u64 - 4298 +4298
siphash_2u64 - 3582 +3582
__siphash_unaligned - 3052 +3052
__siphash_aligned - 3052 +3052
siphash_3u32 - 2976 +2976
siphash_1u64 - 2870 +2870
siphash_1u32 - 2172 +2172
...
Do we need all of this builtin, unconditionally?
Thanks for your answer!
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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