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Loss-tolerant position-based quantum cryptography
2015
Physical Review A. Atomic, Molecular, and Optical Physics
Position-based quantum cryptography (PBQC) allows a party to use its geographical location as its only credential to implement various cryptographic protocols. Such a protocol may lead to important applications in practice. Although it has been shown that any PBQC protocol is breakable if the adversaries pre-share an arbitrarily large entangled state, the security of PBQC in the bounded-quantum-storage model is still an open question. In this paper, we study the performance of various PBQC
doi:10.1103/physreva.91.042337
fatcat:thcuved24vaj3eptxfnxihmqca