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From: Pavel Machek <pavel@ucw.cz>
To: Stephan M?ller <smueller@chronox.de>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-crypto@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	linux-api@vger.kernel.org,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	"Alexander E. Patrakov" <patrakov@gmail.com>,
	"Ahmed S. Darwish" <darwish.07@gmail.com>,
	"Theodore Y. Ts'o" <tytso@mit.edu>, Willy Tarreau <w@1wt.eu>,
	Matthew Garrett <mjg59@srcf.ucam.org>,
	Vito Caputo <vcaputo@pengaru.com>,
	Andreas Dilger <adilger.kernel@dilger.ca>,
	Jan Kara <jack@suse.cz>, Ray Strode <rstrode@redhat.com>,
	William Jon McCann <mccann@jhu.edu>,
	zhangjs <zachary@baishancloud.com>,
	Andy Lutomirski <luto@kernel.org>,
	Florian Weimer <fweimer@redhat.com>,
	Lennart Poettering <mzxreary@0pointer.de>,
	Nicolai Stange <nstange@suse.de>,
	"Peter, Matthias" <matthias.peter@bsi.bund.de>,
	Marcelo Henrique Cerri <marcelo.cerri@canonical.com>,
	Roman Drahtmueller <draht@schaltsekun.de>,
	Neil Horman <nhorman@redhat.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Julia Lawall <julia.lawall@inria.fr>,
	Dan Carpenter <dan.carpenter@oracle.com>
Subject: Re: [PATCH v31 00/12] /dev/random - a new approach with full SP800-90B
Date: Tue, 28 Jul 2020 22:40:44 +0200	[thread overview]
Message-ID: <20200728204044.GD1012@bug> (raw)
In-Reply-To: <2050754.Mh6RI2rZIc@positron.chronox.de>

Hi!

> The following patch set provides a different approach to /dev/random which is called 
> Linux Random Number Generator (LRNG) to collect entropy within the Linux kernel. The 
> main improvements compared to the existing /dev/random is to provide sufficient entropy 
> during boot time as well as in virtual environments and when using SSDs. A secondary 
> design goal is to limit the impact of the entropy collection on massive parallel systems 
> and also allow the use accelerated cryptographic primitives. Also, all steps of the 
> entropic data processing are testable.

That sounds good.. maybe too good. Where does LRNG get the entropy? That is the
part that should be carefully documented..

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2020-07-28 20:40 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-13  6:17 [PATCH v31 00/12] /dev/random - a new approach with full SP800-90B Stephan Müller
2020-07-13  6:17 ` [PATCH v31 01/12] Linux Random Number Generator Stephan Müller
2020-07-13  6:18 ` [PATCH v31 02/12] LRNG - allocate one DRNG instance per NUMA node Stephan Müller
2020-07-13  6:18 ` [PATCH v31 03/12] LRNG - sysctls and /proc interface Stephan Müller
2020-07-13  6:19 ` [PATCH v31 04/12] LRNG - add switchable DRNG support Stephan Müller
2020-07-13  6:19 ` [PATCH v31 05/12] crypto: DRBG - externalize DRBG functions for LRNG Stephan Müller
2020-07-13  6:19 ` [PATCH v31 06/12] LRNG - add SP800-90A DRBG extension Stephan Müller
2020-07-13  6:20 ` [PATCH v31 07/12] LRNG - add kernel crypto API PRNG extension Stephan Müller
2020-07-13  6:20 ` [PATCH v31 08/12] crypto: provide access to a static Jitter RNG state Stephan Müller
2020-07-13  6:21 ` [PATCH v31 09/12] LRNG - add Jitter RNG fast noise source Stephan Müller
2020-07-13  6:21 ` [PATCH v31 10/12] LRNG - add SP800-90B compliant health tests Stephan Müller
2020-07-13  6:21 ` [PATCH v31 11/12] LRNG - add interface for gathering of raw entropy Stephan Müller
2020-07-13  6:22 ` [PATCH v31 12/12] LRNG - add power-on and runtime self-tests Stephan Müller
2020-07-28 20:40 ` Pavel Machek [this message]
2020-07-29  7:15   ` [PATCH v31 00/12] /dev/random - a new approach with full SP800-90B Stephan Mueller

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