Re: random numbers generator in hardware

From: Andrew Swallow (am.swallow@eatspam.btinternet.com)
Date: 04/08/03 

From: "Andrew Swallow" <am.swallow@eatspam.btinternet.com>
Date: Tue, 8 Apr 2003 20:59:52 +0000 (UTC)

"Bill Unruh" <unruh@string.physics.ubc.ca> wrote in message
news:b6uqiv$gl0$1@nntp.itservices.ubc.ca...
> info@windfromthesun.com (RLCJ) writes:
>
> ]Here is the link to a PDF on the Via C3 Nehemiah RNG:
> ]http://www.via.com.tw/en/viac3/via_c3_padlock_evaluation.pdf
>
> ]It is a 40+ page white paper by Cryptography Research, Inc.
> ]evaluating the RNG.
>
> ]"Cryptography Research has evaluated the C3 Nehemiah random number
> ]generator, which is an on-chip component of the VIA Technologies
> ]Nehemiah processor core. When properly used, the generator was found
> ]to be a consistent, high-rate source of entropy which we believe is
> ]suitable for use in cryptographic and high-assurance applications."
>
> Does it actually tell you how it works and how it derives its store of
> "entropy"?
>
Yes, sampled free running oscillators. It is in the longer of
the two reports.

Andrew Swallow

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