linux-kernel - Re: TPMs and random numbers

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Message-ID: <CAFtxgO7XKbNn1-VW6Ha9P9wj7VAHw6Upar9udgy6dMrFNAHU0Q@mail.gmail.com>
Date:	Wed, 11 Sep 2013 15:06:33 -0400
From:	Jeff Garzik <jgarzik@...ox.com>
To:	"Theodore Ts'o" <tytso@....edu>,
	Andy Lutomirski <luto@...capital.net>,
	David Safford <safford@...ibm.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Leonidas Da Silva Barbosa <leosilva@...ux.vnet.ibm.com>,
	Ashley Lai <ashley@...leylai.com>,
	Rajiv Andrade <mail@...jiv.net>,
	Marcel Selhorst <tpmdd@...horst.net>,
	Sirrix AG <tpmdd@...rix.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jeff Garzik <jgarzik@...ox.com>,
	Kent Yoder <key@...ux.vnet.ibm.com>,
	David Safford <safford@...son.ibm.com>,
	Mimi Zohar <zohar@...ibm.com>,
	"Johnston, DJ" <dj.johnston@...el.com>
Subject: Re: TPMs and random numbers

On Wed, Sep 11, 2013 at 2:45 PM, Theodore Ts'o <tytso@....edu> wrote:
> We should definitely do this.  If the TPM driver could fetch some
> randomness and then call add_device_randomness() to feed this into the
> random driver's entropy pool when it initializes itself, that would be
> ***really*** cool.


rngd already does this.

     Jeff
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