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Re: Should Emacs provide a uuid function?

From: Ted Zlatanov
Subject: Re: Should Emacs provide a uuid function?
Date: Mon, 09 May 2011 05:51:50 -0500
User-agent: Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.50 (gnu/linux)

On Mon, 09 May 2011 10:23:06 +0300 Eli Zaretskii <address@hidden> wrote: 

EZ> Feh.  Using platform-dependent interfaces in Lisp is not the Emacs
EZ> way, in my book.  How about a primitive which would read from
EZ> /dev/random or /dev/urandom if they are available, or use other
EZ> methods if they are not?
EZ> This all will be avoided if we instead provide a primitive that will
EZ> both hide system-dependent stuff and avoid the need to teach
EZ> insert-file-contents about this special device.

GnuTLS has facilities for this, using /dev/*random and the Yarrow
algorithm from libnettle.  Look at lib/nettle/rnd.c
for the `do_trivia_source' and `do_device_source' functions.

Since GnuTLS is enabled by default in Emacs 24 maybe we can rely on that
functionality instead of writing it anew?


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