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From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Sandy Harris <sandyinchina@gmail.com>
Cc: Linux Crypto Mailing List <linux-crypto@vger.kernel.org>,
	Linux Kernel Developers List <linux-kernel@vger.kernel.org>,
	labbott@redhat.com
Subject: Re: [PATCH] random: addu a config option to trust the CPU's hwrng
Date: Thu, 19 Jul 2018 10:21:48 -0400	[thread overview]
Message-ID: <20180719142148.GH30706@thunk.org> (raw)
In-Reply-To: <CACXcFm=URq_UnqdeEUAV0i6DSkvhE8VZW0KYcgQ=7601q_5NnQ@mail.gmail.com>

On Wed, Jul 18, 2018 at 04:22:35PM -0400, Sandy Harris wrote:
> 
> Yes & one of those can also solve any difficulty with random(4) at
> startup. Another alternative, perhaps easier on some systems, is
> Denker's Turbid trng:
> https://www.av8n.com/turbid/paper/turbid.htm

In the link above I saw breadboards with resistors plugged in,
alligator clips to TRG plugs, shield boxes with aluminum foil, and
doing calibrations using voltmeters.  While that induced a pleasant
flashback to my junior high days when I experimented with electronics,
I'm not entirely sure most sysadmins would call that "easy".  :-)

    		      	   	     	   	- Ted

  reply	other threads:[~2018-07-19 14:21 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-18  1:43 [PATCH] random: add a config option to trust the CPU's hwrng Theodore Ts'o
2018-07-18  1:51 ` Theodore Y. Ts'o
2018-07-18 15:14   ` Sandy Harris
2018-07-18 17:36     ` [PATCH] random: addu " Theodore Y. Ts'o
2018-07-18 20:22       ` Sandy Harris
2018-07-19 14:21         ` Theodore Y. Ts'o [this message]
2018-07-19 20:17       ` Yann Droneaud
2018-07-18 17:36   ` [PATCH] random: add " Ken Moffat
2018-07-19  0:19     ` Ken Moffat
2018-07-18  5:09 ` Randy Dunlap
2018-07-18  6:46 ` Jeffrey Walton
2018-07-18  7:22 ` Yann Droneaud
2018-07-18 14:26   ` Theodore Y. Ts'o
2018-07-18 15:29     ` Yann Droneaud
2018-07-18 15:29       ` Yann Droneaud
2018-07-18 19:17       ` Theodore Y. Ts'o
2018-08-04 21:52     ` Pavel Machek
2018-08-05  0:25       ` Theodore Y. Ts'o
2018-08-05  0:28         ` Theodore Y. Ts'o
2018-08-05  9:44         ` Pavel Machek
2018-07-20 19:09 ` Laura Abbott

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