Position-Based Quantum Cryptography
Nishanth Chandran, Serge Fehr, Ran Gelles, Vipul Goyal, and Rafail, Ostrovsky
TL;DR
This paper discusses the limitations and possibilities of position-based quantum cryptography, providing key impossibility and restricted possibility results in the field.
Contribution
It presents a general impossibility theorem and explores restricted scenarios where secure position-based quantum cryptography may be feasible.
Findings
Established a fundamental impossibility result for certain quantum cryptographic protocols.
Identified specific conditions under which secure position-based quantum cryptography can be achieved.
Abstract
This paper is replaced by arXiv:1009.2490. The new paper includes a general impossibility result and restricted possibility results, and it has two additional authors.
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Videos
Position-based Quantum Cryptography· youtube
Taxonomy
TopicsQuantum Computing Algorithms and Architecture · graph theory and CDMA systems · Cryptography and Data Security