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From: Stephen Frost <sfrost@snowman.net>
To: Michael Paquier <michael.paquier@gmail.com>
Cc: Heikki Linnakangas <hlinnaka@iki.fi>
Cc: David Steele <david@pgmasters.net>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: David Fetter <david@fetter.org>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Magnus Hagander <magnus@hagander.net>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Julian Markwort <julian.markwort@uni-muenster.de>
Cc: PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Cc: Valery Popov <v.popov@postgrespro.ru>
Subject: Re: Password identifiers, protocol aging and SCRAM protocol
Date: Wed, 28 Sep 2016 15:06:43 -0400
Message-ID: <20160928190643.GY5148@tamriel.snowman.net> (raw)
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Heikki, Michael, Magnus,

* Michael Paquier (michael.paquier@gmail.com) wrote:
> On Tue, Sep 27, 2016 at 10:42 PM, Heikki Linnakangas <hlinnaka@iki.fi> wrote:
> > The libpq-side is not. Just calling random() won't do. We haven't needed for
> > random numbers in libpq before, but now we do. Is the pgcrypto solution
> > portable enough that we can use it in libpq?
> 
> Do you think that urandom would be enough then? The last time I took a
> look at that, I saw urandom on all modern platforms even those ones:
> OpenBSD, NetBSD, Solaris, SunOS. For Windows the CryptGen stuff would
> be nice enough I guess..

Magnus had been working on a patch that, as I recall, he thought was
portable and I believe could be used on both sides.

Magnus, would what you were working on be helpful here...?

Thanks!

Stephen

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  Cc: sfrost@snowman.net, michael.paquier@gmail.com, hlinnaka@iki.fi, david@pgmasters.net, tgl@sss.pgh.pa.us, robertmhaas@gmail.com, david@fetter.org, alvherre@2ndquadrant.com, magnus@hagander.net, peter.eisentraut@2ndquadrant.com, julian.markwort@uni-muenster.de, v.popov@postgrespro.ru
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