UCONN | UNIVERSITY OF CONNECTICUT

Secure Computation Laboratory

Professor Marten van Dijk
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Purpose

These seminars are open for attendance to anyone interested in security research

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Contact
For any questions, please contact: Haibin Zhang

Semi-Quantum Key Distribution

Speaker: Professor Walter O. Krawec

Quantum Key Distribution (QKD) allows two users, A and B, to establish a shared secret key secure against a computationally unbounded adversary. However, QKD protocols require both A and B to have "quantum capable hardware." Semi-quantum cryptography was introduced in 2007 by Boyer, Kenigsberg, and Mor with the same goal, except where now one party is "semi-quantum" or "classical" in nature and cannot perform arbitrary quantum operations. Several protocols were proposed since 2007, however without rigorous proof of unconditional security. We were the first to prove security in this model. In this talk we will discuss some of the proof techniques we developed and also discuss some new directions for the semi-quantum model.