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List:       cryptography
Subject:    Re: [Cryptography] RNGs, Entropy, and Unguessability
From:       Barney Wolff <barney () databus ! com>
Date:       2021-05-31 15:18:37
Message-ID: YLT+Tav3RtWBmAAE () pit ! databus ! com
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On Sun, May 30, 2021 at 01:14:02PM -0700, Kent Borg wrote:
> 
> A (1) uncorrelated sampling of a (2) fast clock is, indeed, a good 
> source of unguessability.

Surely this depends on how many guesses an attacker is allowed before being detected \
and blocked. If there's no penalty for guessing wrong, as with an offline attack, I \
doubt the GHz ticker can contribute more than about 20 bits or so. \
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