[147063] in cryptography@c2.net mail archive
Re: [Cryptography] Radioactive random numbers
daemon@ATHENA.MIT.EDU (Tony Arcieri)
Thu Sep 12 10:34:22 2013
X-Original-To: cryptography@metzdowd.com
In-Reply-To: <20130911191851.60487876@jabberwock.cb.piermont.com>
From: Tony Arcieri <bascule@gmail.com>
Date: Wed, 11 Sep 2013 17:06:00 -0700
To: "Perry E. Metzger" <perry@piermont.com>
Cc: Cryptography List <cryptography@metzdowd.com>,
Dave Horsfall <dave@horsfall.org>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com
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On Wed, Sep 11, 2013 at 4:18 PM, Perry E. Metzger <perry@piermont.com>wrote:
> The attraction of methods that use nothing but a handful of
> transistors is that they can be fabricated on chip and thus have
> nearly zero marginal cost. The huge disadvantage is that if your
> opponent can convince chip manufacturers to introduce small changes
> into their design, you're in trouble.
It seems like Intel's approach of using thermal noise is fairly sound. Is
there any reason why it isn't more widely adopted? Patents?
http://electronicdesign.com/learning-resources/understanding-intels-ivy-bridge-random-number-generator
--
Tony Arcieri
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<div dir=3D"ltr">On Wed, Sep 11, 2013 at 4:18 PM, Perry E. Metzger <span di=
r=3D"ltr"><<a href=3D"mailto:perry@piermont.com" target=3D"_blank">perry=
@piermont.com</a>></span> wrote:<br><div class=3D"gmail_extra"><div clas=
s=3D"gmail_quote">
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;p=
adding-left:1ex"><div class=3D"im"><span style=3D"color:rgb(34,34,34)">The =
attraction of methods that use nothing but a handful of</span><br>
</div>
transistors is that they can be fabricated on chip and thus have<br>
nearly zero marginal cost. The huge disadvantage is that if your<br>
opponent can convince chip manufacturers to introduce small changes<br>
into their design, you're in trouble.</blockquote><div><br></div><div>I=
t seems like Intel's approach of using thermal noise is fairly sound. I=
s there any reason why it isn't more widely adopted? Patents?</div>
<div><br></div><div><a href=3D"http://electronicdesign.com/learning-resourc=
es/understanding-intels-ivy-bridge-random-number-generator">http://electron=
icdesign.com/learning-resources/understanding-intels-ivy-bridge-random-numb=
er-generator</a>=A0</div>
</div><div><br></div>-- <br>Tony Arcieri<br>
</div></div>
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