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We give the first information-theoretic security proof of the `Round Robin Differential Phase Shift' Quantum Key Distribution scheme. Our proof consists of the following steps. We construct an EPR var...
Round-Robin Differential Phase-Shift (RRDPS) is a Quantum Key Distribution (QKD) scheme proposed by Sasaki, Yamamoto and Koashi in 2014. It works with high-dimensional quantum digits (qudits). Its mai...
A QKD-based digital archiving solution providing everlasting confidentiality and integrity
QKD secret sharing commitments
2016/12/12
With increasing digitization, the amount of archived data that requires long-term protection of confidentiality and integrity increases rapidly. Examples include electronic health records, genome data...
One-Sided Device-Independent QKD and Position-based Cryptography from Monogamy Games
foundations quantum cryptography
2016/1/3
A serious concern with quantum key distribution (QKD)
schemes is that, when under attack, the quantum devices in a real-life
implementation may behave differently than modeled in the security
proof...
Secure Identification and QKD in the Bounded-Quantum-Storage Model
Secure Identification QKD Bounded-Quantum-Storage Model
2008/5/30
We consider the problem of secure identification: user U proves to server S that he knows an agreed (possibly low-entropy) password w, while giving away as little information on w as possible,namely t...