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From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Andrew Morton <akpm@osdl.org>,
	David McCullough <davidm@snapgear.com>,
	cryptoapi@lists.logix.cz, linux-kernel@vger.kernel.org,
	linux-crypto@vger.kernel.org, jmorris@redhat.com,
	herbert@gondor.apana.org.au
Subject: Re: [PATCH] API for true Random Number Generators to add entropy (2.6.11)
Date: Fri, 25 Mar 2005 07:25:59 +0300	[thread overview]
Message-ID: <1111724759.23532.121.camel@uganda> (raw)
In-Reply-To: <42432596.2090709@pobox.com>

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On Thu, 2005-03-24 at 15:39 -0500, Jeff Garzik wrote:
> Evgeniy Polyakov wrote:
> > hw_random.c already does it using userspace daemons,
> > which is bad idea for very fast HW - like VIA xstore/xcrypt 
> > instructions.
> 
> This is incorrect, because it implies that a user would want to use the 
> 'xstore' feature at full speed -- which would dominate the CPU, 
> drastically slowing down the applications that are actually doing work.

If user want to get RNG data at full speed we do not want to allow it?
Something changed in the world...

User actually do not want to use xstore, but only read from /dev/random.

If kernelspace can assist and driver _knows_ in advance that data
produced is cryptographically strong, why not allow it directly
access pools?

> As I mentioned in another message, VIA xstore support should be removed 
> from hw_random.c and moved completely to userspace rngd.
> 
> 	Jeff
> 
-- 
        Evgeniy Polyakov

Crash is better than data corruption -- Arthur Grabowski

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  reply	other threads:[~2005-03-25  4:19 UTC|newest]

Thread overview: 97+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-15 13:36 ocf-linux-20050315 - Asynchronous Crypto support for linux David McCullough
2005-03-24  4:27 ` [PATCH] API for true Random Number Generators to add entropy (2.6.11) David McCullough
2005-03-24  4:30   ` [PATCH] API for true Random Number Generators to add entropy (2.4.29) David McCullough
2005-03-24  4:33   ` [PATCH] API for true Random Number Generators to add entropy (2.6.11) Jeff Garzik
2005-03-24  4:46     ` David McCullough
2005-03-24  4:49       ` Michal Ludvig
2005-03-24  5:13       ` Jeff Garzik
2005-03-24 12:37         ` Folkert van Heusden
2005-03-24 12:52         ` David McCullough
2005-03-24 20:51           ` Jeff Garzik
2005-03-24  7:18       ` Jan Engelhardt
2005-03-24  7:37         ` Dave Jones
2005-03-24  4:38   ` [PATCH] " Andrew Morton
2005-03-24  5:17     ` Jeff Garzik
2005-03-24  5:32       ` Andrew Morton
2005-03-29  1:33         ` Matt Mackall
2005-03-24  5:43       ` Randy.Dunlap
2005-03-24 12:21     ` Evgeniy Polyakov
2005-03-24 20:39       ` Jeff Garzik
2005-03-25  4:25         ` Evgeniy Polyakov [this message]
2005-03-25  4:45           ` Jeff Garzik
2005-03-25  5:46             ` Herbert Xu
2005-03-31  3:52             ` David McCullough
2005-03-31 13:58               ` [PATCH] API for TRNG (2.6.11) [Fortuna] Jean-Luc Cooke
2005-04-13 15:36                 ` Jean-Luc Cooke
2005-03-24 12:28     ` [PATCH 2.6.12-rc1] API for true Random Number Generators to add entropy David McCullough
2005-03-24 12:38     ` [PATCH] API for true Random Number Generators to add entropy (2.6.11) David McCullough
2005-03-24 18:51     ` Andi Kleen
2005-03-24 20:37       ` Jeff Garzik
2005-03-27 17:19         ` Andi Kleen
2005-03-27 18:55           ` folkert
2005-03-28 15:20             ` Andi Kleen
2005-03-28 15:24               ` folkert
2005-03-29  7:17               ` Jeff Garzik
2005-03-29 15:03                 ` Andi Kleen
2005-03-29  7:16             ` Jeff Garzik
2005-03-29 15:07               ` Andi Kleen
2005-03-29  7:15           ` Jeff Garzik
2005-03-24 11:59   ` Evgeniy Polyakov
2005-03-24 12:48     ` Jeff Garzik
2005-03-24 13:08       ` Evgeniy Polyakov
2005-03-24 20:53         ` Jeff Garzik
2005-03-24 13:23       ` David McCullough
2005-03-24 13:46         ` Evgeniy Polyakov
2005-03-24 20:56           ` Jeff Garzik
2005-03-25  4:34             ` Evgeniy Polyakov
2005-03-25  4:48               ` Jeff Garzik
2005-03-25  5:33                 ` Evgeniy Polyakov
2005-03-25  5:58                   ` Jeff Garzik
2005-03-25  6:16                     ` Evgeniy Polyakov
2005-03-25  6:13                       ` Herbert Xu
2005-03-25  6:34                         ` Evgeniy Polyakov
2005-03-25  6:33                           ` Herbert Xu
2005-03-25  6:59                             ` Evgeniy Polyakov
2005-03-25  6:56                               ` Herbert Xu
2005-03-25  7:19                                 ` Evgeniy Polyakov
2005-03-25  7:19                                   ` Jeff Garzik
2005-03-25  7:38                                     ` Evgeniy Polyakov
2005-03-25  7:25                                   ` Herbert Xu
2005-03-25  7:58                                     ` Evgeniy Polyakov
     [not found]                                       ` <424495A8.40804@freescale.com>
2005-03-25 23:43                                         ` Jeff Garzik
2005-03-25 23:47                                           ` Herbert Xu
2005-03-26  0:47                                             ` Evgeniy Polyakov
2005-03-26  0:36                                               ` Herbert Xu
2005-03-26  8:52                                                 ` Evgeniy Polyakov
2005-03-28 13:45                                           ` Jean-Luc Cooke
2005-03-28 21:30                                             ` Herbert Xu
2005-03-29 10:23                                     ` Pavel Machek
2005-03-29 10:21                         ` Pavel Machek
2005-03-29 10:30                           ` Herbert Xu
2005-03-29 10:38                             ` Pavel Machek
2005-03-29 10:45                               ` Herbert Xu
2005-03-29 10:50                             ` Evgeniy Polyakov
2005-03-29 10:46                               ` Herbert Xu
2005-03-29 11:42                                 ` Evgeniy Polyakov
2005-03-29 11:39                                   ` Herbert Xu
2005-03-29 12:15                                     ` Evgeniy Polyakov
2005-03-29 12:13                                       ` Pavel Machek
2005-03-29 12:43                                       ` Herbert Xu
2005-03-29 13:11                                         ` Evgeniy Polyakov
2005-03-29 14:38                                           ` Evgeniy Polyakov
2005-03-29 13:48                                     ` Jean-Luc Cooke
2005-03-29 23:36                               ` Andrew James Wade
2005-03-29 22:02                         ` Bill Davidsen
2005-03-29 22:24                           ` Kyle Moffett
2005-03-29 22:46                           ` Jeff Garzik
2005-03-30 21:22                             ` Bill Davidsen
2005-03-30 21:49                               ` Jeff Garzik
2005-03-30 22:27                                 ` Paul Jackson
2005-03-29 10:18                 ` Pavel Machek
2005-03-29 10:25                   ` Herbert Xu
2005-03-29 10:53                   ` Martin Mares
2005-03-24 20:54         ` Jeff Garzik
2005-03-24 14:25       ` Jean-Luc Cooke
2005-03-24 20:57         ` Jeff Garzik
2005-03-24 21:20         ` Herbert Xu
2005-03-25  5:52     ` Evgeniy Polyakov

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