Quantum cryptography
  • Plymouth Lecture Theatre, Portland Square Building, Plymouth University

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From 2000 BC right to Enigma in WWII, cryptography was based upon substitution ciphers and was relying on a key exchange. However, can you exchange a secret message with somebody you have never met before? 

A positive answer to this question is nowadays of vital importance, for example, e-commerce. With the advent of Public Key Cryptography, and most notably RSA, the mathematics of the 20th century has delivered just that. At the beginning of the 21st century, it is physics now, and cryptography is literally awaiting a "quantum leap": Can you transmit a key in the open and be sure that nobody has eavesdropped? 

In this talk, Professor Kurt Langfeld will introduce the paradigms of the Quantum World. You will learn to read Free Mason ciphers, and you will understand the concept of RSA. Kurt will then explain and illustrate Quantum Cryptography. There will be a hands-on experience as well: Using paper and pencil, create a key the "quantum way"!

This talk is open to all but registration is required via the Eventbrite website. Important note: If you have already booked for this event, please note it has been re-scheduled from the original slot in November to this new date in December.

Please note that this event is available to book online through Eventbrite. Eventbrite is a third-party data capture tool which is not owned or managed by Plymouth University. Information about how your data is treated can be found on Eventbrite’s Privacy Policy webpage. If you wish to attend this event but do not wish to use Eventbrite to book your place, please contact the organiser directly.

Speaker: Professor Kurt Langfeld, Plymouth University

With a PhD in Theoretical Physics in 1991, Kurt started an active research career in Quantum Physics and Particle Physics. Based at the University of Tuebingen, 1991-2006, his research saw him visiting many centres around the world such as the Niels-Bohr Institute, Copenhagen, the INT in Seattle, the CEA, in Saclay, Paris or the KIAS in Seoul, Korea. In 2006, he joined the Particle Physics group at Plymouth University, where he became Professor in Theoretical Physics in 2012. He is an associated member of the CERN Theory Institute and a member of the German Physical Society.

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