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Date: Wed, 2 May 2012 10:16:11 +0100
From: "Daniel P. Berrange" <berrange@redhat.com>
Message-ID: <20120502091611.GJ13336@redhat.com>
References: <20120501212040.27850.27184.stgit@sifl>
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Subject: Re: [Qemu-devel] [PATCH] vnc: disable VNC password authentication
 (security type 2) when in FIPS mode
Reply-To: "Daniel P. Berrange" <berrange@redhat.com>
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To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Paul Moore <pmoore@redhat.com>, George Wilson <gcwilson@us.ibm.com>, qemu-devel@nongnu.org

On Tue, May 01, 2012 at 06:26:05PM -0500, Anthony Liguori wrote:
> On 05/01/2012 04:20 PM, Paul Moore wrote:
> >FIPS 140-2 requires disabling certain ciphers, including DES, which is used
> >by VNC to obscure passwords when they are sent over the network.  The
> >solution for FIPS users is to disable the use of VNC password auth when the
> >host system is operating in FIPS mode.
> 
> Sorry, what?
> 
> Does FIPS really require software to detect when FIPS is enabled and
> actively disable features???  That's absurd.
> 
> Can you point to another software package that does something like this?

All the SSL libraries for a start (NSS, OpenSSL & GNUTLS).  If we were
using one of those for the VNC DES code we would be disabled.

Regards,
Daniel
-- 
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