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Re: [RFC PATCH v12 3/4] Linux Random Number Generator

From Stephan Müller <smueller@chronox.de>
Newsgroups linux.kernel
Subject Re: [RFC PATCH v12 3/4] Linux Random Number Generator
Date 2017-07-19 08:30 +0200
Message-ID <u4QEG-4FE-27@gated-at.bofh.it> (permalink)
References <u4vTz-8ne-3@gated-at.bofh.it> <u4LEZ-1qm-15@gated-at.bofh.it> <u4Mro-1Gv-17@gated-at.bofh.it>
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Am Mittwoch, 19. Juli 2017, 03:51:33 CEST schrieb Theodore Ts'o:

Hi Theodore,

> If the real unpredictability is really coming from the interrupts
> changing the state of the CPU microarchitecture, the real question is
> how many interrupts do you need before you consider things
> "unpredictable" to an adequate level of security?  Arguing that we
> should turn down the "interrupts per bit of entropy" in
> drivers/char/random.c is a much more honest way of having that
> discussion.

Please answer on the concerns given in [1] which explains that we cannot allow 
turning that knob in the current implementation.

[1] https://www.spinics.net/lists/linux-crypto/msg26316.html

Ciao
Stephan

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Thread

Re: [RFC PATCH v12 3/4] Linux Random Number Generator Stephan Müller <smueller@chronox.de> - 2017-07-18 16:40 +0200
  Re: [RFC PATCH v12 3/4] Linux Random Number Generator Theodore Ts'o <tytso@mit.edu> - 2017-07-18 23:10 +0200
    Re: [RFC PATCH v12 3/4] Linux Random Number Generator Sandy Harris <sandyinchina@gmail.com> - 2017-07-19 03:10 +0200
      Re: [RFC PATCH v12 3/4] Linux Random Number Generator Theodore Ts'o <tytso@mit.edu> - 2017-07-19 04:00 +0200
        Re: [RFC PATCH v12 3/4] Linux Random Number Generator Stephan Müller <smueller@chronox.de> - 2017-07-19 08:30 +0200
        Re: [RFC PATCH v12 3/4] Linux Random Number Generator Pavel Machek <pavel@ucw.cz> - 2017-07-30 12:50 +0200
      Re: [RFC PATCH v12 3/4] Linux Random Number Generator Sandy Harris <sandyinchina@gmail.com> - 2017-07-23 20:10 +0200
        Re: [RFC PATCH v12 3/4] Linux Random Number Generator Theodore Ts'o <tytso@mit.edu> - 2017-07-23 23:50 +0200
    Re: [RFC PATCH v12 3/4] Linux Random Number Generator Stephan Müller <smueller@chronox.de> - 2017-07-19 08:30 +0200
      Re: [RFC PATCH v12 3/4] Linux Random Number Generator Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-19 08:40 +0200
      Re: [RFC PATCH v12 3/4] Linux Random Number Generator Theodore Ts'o <tytso@mit.edu> - 2017-07-19 19:30 +0200
        Re: [RFC PATCH v12 3/4] Linux Random Number Generator Stephan Müller <smueller@chronox.de> - 2017-07-20 21:10 +0200
          Re: [RFC PATCH v12 3/4] Linux Random Number Generator Theodore Ts'o <tytso@mit.edu> - 2017-07-21 05:10 +0200
            Re: [RFC PATCH v12 3/4] Linux Random Number Generator Stephan Müller <smueller@chronox.de> - 2017-07-21 11:00 +0200
              Re: [RFC PATCH v12 3/4] Linux Random Number Generator Stephan Müller <smueller@chronox.de> - 2017-07-21 17:20 +0200
              Re: [RFC PATCH v12 3/4] Linux Random Number Generator Arnd Bergmann <arnd@arndb.de> - 2017-07-21 17:20 +0200

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