There was a recent article about a new encryption technique that encrypts "using the time variations between two independent coupling functions".
What is this technique they are referring to?
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I found the paper.
At a glance, this seems to be a solution in search of a problem. Unless I've missed something, there is essentially no attempt in their paper to cryptanalyze such a construct. Nor do they appear to build upon, relate to, or even reference any preexisting concepts in modern cryptography or information theory such as computational indistinguishability or semantic security.
They also highlight some "advantages" of their system that, to someone with moderate familiarity of cryptography, seem pointless. For instance, statements like
are indicators that the authors aren't familiar with the actual threats facing current cryptosystems. The entire space of 256-bit keys will never be enumerated in the lifespan of the universe, assuming our current understanding of information theory and physics are even remotely accurate. Nobody is clamoring for new cryptosystems with arbitrarily-large keys.
In my (admittedly non-expert) opinion, I find it highly implausible that any widely-used cryptosystem will ever be built upon the ideas in this paper.