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quant-ph2006★ 44 cited
Sequential Attack with Intensity Modulation on the Differential-Phase-Shift Quantum Key Distribution Protocol
Toyohiro Tsurumaru
In this paper, we discuss the security of the differential-phase-shift quantum key distribution (DPSQKD) protocol by introducing an improved version of the so-called sequential att…
quant-ph2006★ 3 cited
Group Covariant Protocols for Quantum String Commitment
Toyohiro Tsurumaru
We study the security of quantum string commitment (QSC) protocols with group covariant encoding scheme. First we consider a class of QSC protocol, which is general enough to incor…