Browsing Theses by Subject "Quantum cryptography"
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Quantum Hacking in the Age of Measurement-Device-Independent Quantum Cryptography
(University of Waterloo, 2018-04-13)Cryptography is essential for secure communication in the digital era. Today, public-key cryptography is widely employed, and has provided an efficient method for encrypting content and ensuring both confidentiality and ... -
Symmetric Extendability of Quantum States and the Extreme Limits of Quantum Key Distribution
(University of Waterloo, 2016-10-13)We investigate QKD protocols with two-way classical post-processing that are based on the well-known six-state and BB84 signal states. In these QKD protocols, the source (Alice) sends quantum signals to the receiver (Bob), ...