Welcome to the resource topic for 2004/204
Title:
Authenticated tree parity machine key exchange
Authors: Markus Volkmer, Andre Schaumburg
Abstract:The synchronisation of Tree Parity Machines (TPMs), has proven to
provide a valuable alternative concept for secure symmetric key exchange. Yet, from a cryptographer’s point of view, authentication is at least
as important as a secure exchange of keys. Adding an authentication
via hashing e.g. is straightforward but with no relation to Neural Cryptography.
We consequently formulate an authenticated key exchange within this
concept. Another alternative, integrating a Zero-Knowledge protocol
into the synchronisation, is also presented.
A Man-In-The-Middle attack and even all currently known attacks, that are based on using identically structured TPMs and synchronisation as well, can
so be averted. This in turn has practical consequences on using the
trajectory in weight space. Both suggestions have the advantage of not affecting the previously observed physics of this interacting system at all.
ePrint: https://eprint.iacr.org/2004/204
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