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Status: Reported (1)

RFC 9564, "Faster Than Light Speed Protocol (FLIP)", April 2024

Source of RFC: INDEPENDENT

Errata ID: 7877
Status: Reported
Type: Technical
Publication Format(s) : HTML

Reported By: Brian Carpenter
Date Reported: 2024-04-01

Section 5 says:

Given that new SHA-256 hashes are not sequential but fully random,
replay attacks of future predictions are prevented.

It should say:

Given that new SHA-256 hashes are not sequential but significantly
hard to predict, replay attacks of future predictions are prevented
unless the attacker has sufficient computing power to fully model all
possible pseudo-random number generators and thereby predict all
possible hashes within a sufficiently short time.

Notes:

Thank you for citing RFC6709. However, I have shown** that the concept of randomness is a fallacy - in fact, what we call "randomness" is nothing other than unpredictability by a Turing machine within a finite time. An LLM is subject to this same constraint like any other Turing machine program. I suspect that this observation shows that FLIP is a flop.

** https://www.cs.auckland.ac.nz/research/groups/CDMTCS/researchreports/view-publication.php?selected-id=835

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