linux-kernel - Re: [PATCH 2/2] lguest: virtio-rng support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 16 May 2008 12:49:41 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	virtualization@...ts.linux-foundation.org,
	Jeff Garzik <jeff@...zik.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	LKML <linux-kernel@...r.kernel.org>, "H. Anvin" <hpa@...or.com>
Subject: Re: [PATCH 2/2] lguest: virtio-rng support


> +
> +/* Our random number generator device reads from /dev/urandom into the Guest's
> + * input buffers.  The usual case is that the Guest doesn't want random numbers
> + * and so has no buffers although /dev/urandom is still readable, whereas
> + * console is the reverse.

Is it really a good idea to use the hosts /dev/urandom to fill the
guests /dev/random?

johannes

Download attachment "signature.asc" of type "application/pgp-signature" (829 bytes)