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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Eric Biggers <ebiggers@kernel.org>
Cc: libc-alpha@sourceware.org,
	"Adhemerval Zanella Netto" <adhemerval.zanella@linaro.org>,
	"Florian Weimer" <fweimer@redhat.com>,
	"Cristian Rodríguez" <crrodriguez@opensuse.org>,
	"Paul Eggert" <eggert@cs.ucla.edu>,
	linux-crypto@vger.kernel.org
Subject: Re: [PATCH v2] arc4random: simplify design for better safety
Date: Tue, 26 Jul 2022 12:26:04 +0200	[thread overview]
Message-ID: <Yt/BPMG46VTs+SCn@zx2c4.com> (raw)
In-Reply-To: <Yt8uVciDQzRbyDds@sol.localdomain>

Hi Eric,

On Mon, Jul 25, 2022 at 04:59:17PM -0700, Eric Biggers wrote:
> This looks good to me.
> 
> There are still a few bits that need to be removed/updated.  With a quick grep,
> I found:
> 
> sysdeps/generic/tls-internal-struct.h:  struct arc4random_state_t *rand_state;
> 
> sysdeps/unix/sysv/linux/tls-internal.h:/* Reset the arc4random TCB state on fork.  *
> 
> NEWS: ... The functions use a pseudo-random number generator along with
> NEWS: entropy from the kernel.
> 
> 
> Also, the documentation in manual/math.texi should say that the randomness is
> cryptographically secure.

Thanks for the notes. I'll clean that all up in v3.

Jason

  reply	other threads:[~2022-07-26 10:26 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-23 16:22 arc4random - are you sure we want these? Jason A. Donenfeld
2022-07-23 16:25 ` Jason A. Donenfeld
2022-07-23 17:18   ` Paul Eggert
2022-07-24 23:55     ` Jason A. Donenfeld
2022-07-25 20:31       ` Paul Eggert
2022-07-23 17:39   ` Adhemerval Zanella Netto
2022-07-23 22:54     ` Jason A. Donenfeld
2022-07-25 15:33     ` Rich Felker
2022-07-25 15:59       ` Adhemerval Zanella Netto
2022-07-25 16:18       ` Sandy Harris
2022-07-25 16:40       ` Florian Weimer
2022-07-25 16:51         ` Jason A. Donenfeld
2022-07-25 17:44         ` Rich Felker
2022-07-25 18:33           ` Cristian Rodríguez
2022-07-25 18:49             ` Rich Felker
2022-07-25 18:49               ` Rich Felker
     [not found]               ` <YuCa1lDqoxdnZut/@mit.edu>
     [not found]                 ` <a5b6307d-6811-61b6-c13d-febaa6ad1e48@linaro.org>
     [not found]                   ` <YuEwR0bJhOvRtmFe@mit.edu>
2022-07-27 12:49                     ` Florian Weimer
2022-07-27 20:15                       ` Theodore Ts'o
2022-07-27 21:59                         ` Rich Felker
2022-07-28  0:30                           ` Theodore Ts'o
2022-07-28  0:39                         ` Cristian Rodríguez
2022-07-23 19:04   ` Cristian Rodríguez
2022-07-23 22:59     ` Jason A. Donenfeld
2022-07-24 16:23       ` Cristian Rodríguez
2022-07-24 21:57         ` Jason A. Donenfeld
2022-07-25 10:14     ` Florian Weimer
2022-07-25 10:11   ` Florian Weimer
2022-07-25 11:04     ` Jason A. Donenfeld
2022-07-25 12:39       ` Florian Weimer
2022-07-25 13:43         ` Jason A. Donenfeld
2022-07-25 13:58           ` Cristian Rodríguez
2022-07-25 16:06           ` Rich Felker
2022-07-25 16:43             ` Florian Weimer
2022-07-26 14:27         ` Overwrittting AT_RANDOM after use (was Re: arc4random - are you sure we want these?) Yann Droneaud
2022-07-26 14:35         ` arc4random - are you sure we want these? Yann Droneaud
2022-07-25 13:25       ` Jeffrey Walton
2022-07-25 13:48         ` Jason A. Donenfeld
2022-07-25 14:56     ` Rich Felker
2022-07-25 22:57   ` [PATCH] arc4random: simplify design for better safety Jason A. Donenfeld
2022-07-25 23:11     ` Jason A. Donenfeld
2022-07-25 23:28     ` [PATCH v2] " Jason A. Donenfeld
2022-07-25 23:59       ` Eric Biggers
2022-07-26 10:26         ` Jason A. Donenfeld [this message]
2022-07-26  1:10       ` Mark Harris
2022-07-26 10:41         ` Jason A. Donenfeld
2022-07-26 11:06           ` Florian Weimer
2022-07-26 16:51           ` Mark Harris
2022-07-26 18:42             ` Jason A. Donenfeld
2022-07-26 19:24               ` Jason A. Donenfeld
2022-07-26  9:55       ` Florian Weimer
2022-07-26 11:04         ` Jason A. Donenfeld
2022-07-26 11:07           ` [PATCH v3] " Jason A. Donenfeld
2022-07-26 11:11             ` Jason A. Donenfeld
2022-07-26 11:12           ` [PATCH v2] " Florian Weimer
2022-07-26 11:20             ` Jason A. Donenfeld
2022-07-26 11:35               ` Adhemerval Zanella Netto
2022-07-26 11:33       ` Adhemerval Zanella Netto
2022-07-26 11:54         ` Jason A. Donenfeld
2022-07-26 12:08           ` Jason A. Donenfeld
2022-07-26 12:20           ` Jason A. Donenfeld
2022-07-26 12:34           ` Adhemerval Zanella Netto
2022-07-26 12:47             ` Jason A. Donenfeld
2022-07-26 13:11               ` Adhemerval Zanella Netto
2022-07-26 13:30     ` [PATCH v4] " Jason A. Donenfeld
2022-07-26 15:21       ` Yann Droneaud
2022-07-26 16:20       ` Adhemerval Zanella Netto
2022-07-26 18:36         ` Jason A. Donenfeld
2022-07-26 19:08       ` [PATCH v5] " Jason A. Donenfeld
2022-07-26 19:58         ` [PATCH v6] " Jason A. Donenfeld
2022-07-26 20:17           ` Adhemerval Zanella Netto
2022-07-26 20:56             ` Adhemerval Zanella Netto
2022-07-28 10:29           ` Szabolcs Nagy
2022-07-28 10:36             ` Szabolcs Nagy
2022-07-28 11:01               ` Adhemerval Zanella

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