linux-kernel - Re: [PATCH 2/3] random: rng-seed source is utf-8

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAL_Jsq+BDfWgGTVtppD-JEFHZRqpc00WaV2N7c6qsPBSaxOEPw@mail.gmail.com>
Date:   Fri, 14 Feb 2020 13:58:35 -0600
From:   Rob Herring <robh@...nel.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Android Kernel Team <kernel-team@...roid.com>,
        Mark Salyzyn <salyzyn@...roid.com>,
        "Theodore Ts'o" <tytso@....edu>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Richard Henderson <richard.henderson@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Alexander Potapenko <glider@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
        Juergen Gross <jgross@...e.com>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>
Subject: Re: [PATCH 2/3] random: rng-seed source is utf-8

On Fri, Feb 14, 2020 at 12:10 AM Masami Hiramatsu <mhiramat@...nel.org> wrote:
>
> From: Mark Salyzyn <salyzyn@...roid.com>
>
> commit 428826f5358c922dc378830a1717b682c0823160
> ("fdt: add support for rng-seed") makes the assumption that the data
> in rng-seed is binary, when it is typically constructed of utf-8

Typically? Why is that?

> characters which has a bitness of roughly 6 to give appropriate
> credit due for the entropy.