Attacks against a Simplified Experimentally Feasible Semiquantum Key Distribution Protocol
Related Experiment Video
Updated: Nov 27, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
Published on: September 8, 2023
Michel Boyer1, Rotem Liss2, Tal Mor2
1Département d'Informatique et de Recherche Opérationnelle (DIRO), Université de Montréal, Montréal, QC H3C 3J7, Canada.
Abstract:
A semiquantum key distribution (SQKD) protocol makes it possible for a quantum party and a classical party to generate a secret shared key. However, many existing SQKD protocols are not experimentally feasible in a secure way using current technology. An experimentally feasible SQKD protocol, "classical Alice with a controllable mirror" (the "Mirror protocol"), has recently been presented and proved completely robust, but it is more complicated than other SQKD protocols. Here we prove a simpler variant of the Mirror protocol (the "simplified Mirror protocol") to be completely non-robust by presenting two possible attacks against it. Our results show that the complexity of the Mirror protocol is at least partly necessary for achieving robustness.
Related Concept Videos
SN2 Reaction: Mechanism
The presence of the more electronegative halogen in the substrate creates a polarized carbon-halide bond. The halide pulls the electron cloud generating an electrophilic center at the carbon atom. Thus, the carbon atom carries a partial positive charge while the halide has a...
Limitations of Friedel–Crafts Reactions
The de Broglie Wavelength
Weak Base Solutions
Norton's Theorem
The Quantum-Mechanical Model of an Atom

