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Quantum Computation and Information Security - David Webber Cyphercon 2016 (Hacking Illustrated Series InfoSec Tutorial Videos)

Quantum Computation and Information Security
David Webber

Cyphercon 2016

Secure communication on the internet relies on asymmetric (public-private) key pairs to encrypt and/or sign digital messages. The security of public-private key algorithms is based on the belief that factoring large numbers is computationally difficult and practically impossible. On classical computers running state-of-the art algorithms this is true. However, a new class of so-called “quantum computers” currently under development by researchers around the world will be able to short-cut this factoring problem. In this talk I’ll give an overview of how quantum computers will be able to break RSA encryption (and hence existing internet security), and describe another way to securely transmit digital messages that, based on the fundamental laws of physics, is provably unbreakable. This talk will be light on math with plenty of analogies and entertaining thought experiments.

As a part of his Ph.D. in experimental particle physics, David spent three years learning about the counter-intuitive yet robust theory of quantum mechanics, concluding with a capstone course on quantum information. David enjoys puzzles, programming, talking about science, and tinkering with the internet of things. Currently, he develops algorithms and infrastructure as chief scientist for Scanalytics Inc.

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