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Re: Bug#448775: Uses too much entropy (Debian Bug #343085)
From: |
Simon Josefsson |
Subject: |
Re: Bug#448775: Uses too much entropy (Debian Bug #343085) |
Date: |
Fri, 04 Jan 2008 13:20:17 +0100 |
User-agent: |
Gnus/5.110007 (No Gnus v0.7) Emacs/22.1 (gnu/linux) |
Werner Koch <address@hidden> writes:
> On Fri, 4 Jan 2008 10:59, address@hidden said:
>
>> This is mostly a question for libgcrypt developers, but I believe
>> libgcrypt initializes the PRNG in a more conservative way.
>
> Right, we even implement failsafe methods in case /dev/random does not
> work like expected. In fact we don't know ehther /dev/random is a good
> RNG or not. There is no serious study on the quality of /dev/random and
> in the past we have seen major over-estimations on the available
> entropy.
Right, and there are studies that suggests the Linux /dev/random device
have flaws:
http://eprint.iacr.org/2006/086
Being conservative here is a good thing. However, that does not have to
be in conflict with working efficiently. Using a random seed file would
be one way to address both concerns.
/Simon
- Uses too much entropy (Debian Bug #343085), Marc Haber, 2008/01/02
- Re: Uses too much entropy (Debian Bug #343085), Nikos Mavrogiannopoulos, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Andreas Metzler, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Nikos Mavrogiannopoulos, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Werner Koch, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085),
Simon Josefsson <=
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Florian Weimer, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Simon Josefsson, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Werner Koch, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Simon Josefsson, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Florian Weimer, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Werner Koch, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Simon Josefsson, 2008/01/04
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Werner Koch, 2008/01/08
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Andreas Metzler, 2008/01/30
- Re: Bug#448775: Uses too much entropy (Debian Bug #343085), Werner Koch, 2008/01/31