From: Pavel Machek <pavel@ucw.cz>
To: "Theodore Y. Ts'o" <tytso@mit.edu>,
Sultan Alsawaf <sultanxda@gmail.com>,
linux-kernel@vger.kernel.org, Jann Horn <jannh@google.com>
Subject: Re: Linux messages full of `random: get_random_u32 called from`
Date: Sun, 29 Apr 2018 16:32:05 +0200 [thread overview]
Message-ID: <20180429143205.GD13475@amd> (raw)
In-Reply-To: <20180427201036.GL5965@thunk.org>
[-- Attachment #1: Type: text/plain, Size: 537 bytes --]
Hi!
> This is why ultimately, we do need to attack this problem from both
> ends, which means teaching userspace programs to only request
> cryptographic-grade randomness when it is really needed --- and most
> of the time, if the user has not logged in yet, you probably don't
> need cryptographic-grade randomness....
IOW moving them from /dev/random to /dev/urandom?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]
next prev parent reply other threads:[~2018-04-29 14:32 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-26 4:11 Linux messages full of `random: get_random_u32 called from` Sultan Alsawaf
2018-04-26 5:00 ` Theodore Y. Ts'o
2018-04-26 5:05 ` Sultan Alsawaf
2018-04-26 7:32 ` Theodore Y. Ts'o
2018-04-26 15:17 ` Sultan Alsawaf
2018-04-26 19:25 ` Theodore Y. Ts'o
2018-04-26 20:22 ` Sultan Alsawaf
2018-04-26 20:47 ` Christian Brauner
2018-04-27 0:00 ` Theodore Y. Ts'o
2018-04-27 15:38 ` Jason A. Donenfeld
2018-04-27 19:14 ` Theodore Y. Ts'o
2018-04-26 23:56 ` Theodore Y. Ts'o
2018-04-27 5:20 ` Sultan Alsawaf
2018-04-27 20:10 ` Theodore Y. Ts'o
2018-04-27 22:59 ` Sultan Alsawaf
2018-04-29 14:32 ` Pavel Machek [this message]
2018-04-29 17:05 ` Sultan Alsawaf
2018-04-29 18:41 ` Pavel Machek
2018-04-29 20:20 ` Sultan Alsawaf
2018-04-29 21:18 ` Pavel Machek
2018-04-29 21:34 ` Sultan Alsawaf
2018-04-29 22:05 ` Theodore Y. Ts'o
2018-04-29 22:26 ` Sultan Alsawaf
2018-04-29 22:43 ` Jason A. Donenfeld
2018-04-29 22:49 ` Sultan Alsawaf
2018-04-30 0:11 ` Theodore Y. Ts'o
2018-04-30 4:34 ` Sultan Alsawaf
2018-04-30 16:11 ` Theodore Y. Ts'o
2018-05-01 19:53 ` Pavel Machek
2018-04-29 22:43 ` Pavel Machek
2018-04-30 0:32 ` Laura Abbott
2018-04-30 21:12 ` Jeremy Cline
2018-05-01 11:52 ` Justin Forbes
2018-05-01 12:55 ` Theodore Y. Ts'o
2018-05-01 22:35 ` Justin Forbes
2018-05-02 0:02 ` Theodore Y. Ts'o
2018-05-02 12:09 ` Justin Forbes
2018-05-02 16:26 ` Theodore Y. Ts'o
2018-05-02 17:49 ` Laura Abbott
2018-05-02 22:25 ` Theodore Y. Ts'o
2018-05-03 6:19 ` Pavel Machek
2018-05-03 12:23 ` Justin Forbes
2018-05-02 0:43 ` Sultan Alsawaf
2018-05-02 0:56 ` Theodore Y. Ts'o
2018-05-02 1:11 ` Sultan Alsawaf
2018-04-29 18:30 ` Sultan Alsawaf
2018-04-29 20:08 ` Theodore Y. Ts'o
2018-05-18 1:27 ` Trent Piepho
2018-05-18 2:32 ` Theodore Y. Ts'o
2018-05-18 22:56 ` Trent Piepho
2018-05-18 23:22 ` Theodore Y. Ts'o
2018-05-21 18:39 ` Trent Piepho
2018-04-29 14:29 ` Pavel Machek
-- strict thread matches above, loose matches on Subject: below --
2018-04-24 11:48 Paul Menzel
2018-04-24 13:56 ` Theodore Y. Ts'o
2018-04-24 14:30 ` Paul Menzel
2018-04-24 15:49 ` Theodore Y. Ts'o
2018-04-24 15:56 ` Paul Menzel
2018-04-25 7:41 ` Theodore Y. Ts'o
2018-04-26 3:48 ` Paul Menzel
2018-04-29 14:22 ` Pavel Machek
2018-04-29 23:02 ` Dave Jones
2018-04-29 23:07 ` Dave Jones
2018-04-30 0:21 ` Theodore Y. Ts'o
2018-04-26 5:51 ` Pavel Machek
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180429143205.GD13475@amd \
--to=pavel@ucw.cz \
--cc=jannh@google.com \
--cc=linux-kernel@vger.kernel.org \
--cc=sultanxda@gmail.com \
--cc=tytso@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).