Results 11 to 20 of about 27,079 (283)
Recursive Cheating Strategies for the Relativistic FQ Bit Commitment Protocol [PDF]
Cryptography, 2017 In this paper, we study relativistic bit commitment, which uses timing and location constraints to achieve information theoretic security. Using those constraints, we consider a relativistic bit commitment scheme introduced by Lunghi et al. This protocol
Rémi Bricout, André Chailloux
doaj +5 more sources
A short impossibility proof of quantum bit commitment [PDF]
Physics Letters, Section A: General, Atomic and Solid State Physics, 2013 Bit commitment protocols, whose security is based on the laws of quantum mechanics alone, are generally held to be impossible on the basis of a concealment-bindingness tradeoff. A strengthened and explicit impossibility proof has been given in: G. M. D'Ariano, D. Kretschmann, D. Schlingemann, and R. F. Werner, Phys. Rev.
Giulio Chiribella +2 more
exaly +8 more sources
Robust relativistic bit commitment [PDF]
Physical Review A, 2016 22 pages, 1 ...
Chakraborty, Kaushik +2 more
openaire +7 more sources
Practical Relativistic Bit Commitment [PDF]
Physical Review Letters, 2015 Bit commitment is a fundamental cryptographic primitive in which Alice wishes to commit a secret bit to Bob. Perfectly secure bit commitment between two mistrustful parties is impossible through asynchronous exchange of quantum information. Perfect security is however possible when Alice and Bob each split into several agents exchanging classical ...
Lunghi, Tommaso +6 more
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Device-independent relativistic quantum bit commitment [PDF]
Physical Review A, 2015 We examine the possibility of device-independent relativistic quantum bit commitment. We note the potential threat of {\it location attacks}, in which the behaviour of untrusted devices used in relativistic quantum cryptography depends on their space-time location. We describe relativistic quantum bit commitment schemes that are immune to these attacks,
Adlam, Emily, Kent, Adrian
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The Quantum Bit Commitment Theorem [PDF]
Foundations of Physics, 2001 LaTeX, 25 pages.
Bub, Jeffrey
openaire +3 more sources
24-Hour Relativistic Bit Commitment [PDF]
Physical Review Letters, 2016 Bit commitment is a fundamental cryptographic primitive in which a party wishes to commit a secret bit to another party. Perfect security between mistrustful parties is unfortunately impossible to achieve through the asynchronous exchange of classical and quantum messages.
Verbanis, Ephanielle +5 more
openaire +7 more sources
Is Quantum Bit Commitment Really Possible? [PDF]
Physical Review Letters, 1997 We show that all proposed quantum bit commitment schemes are insecure because the sender, Alice, can almost always cheat successfully by using an Einstein-Podolsky-Rosen type of attack and delaying her measurement until she opens her commitment.
Lo, HK, Chau, HF
openaire +6 more sources
Device-independent bit commitment based on the CHSH inequality [PDF]
New Journal of Physics, 2016 Bit commitment and coin flipping occupy a unique place in the device-independent landscape, as the only device-independent protocols thus far suggested for these tasks are reliant on tripartite GHZ correlations.
N Aharon, S Massar, S Pironio, J Silman
doaj +2 more sources
PhysioKey: Edge-AI-Driven Physiological Key Agreement for Secure Body Area Networks [PDF]
SensorsBody area networks (BANs) require secure intra-body communication, yet sensor nodes are too resource-constrained for conventional public-key cryptography, and pre-shared key schemes conflict with plug-and-play clinical workflows.
Mohammed Alnemari, Osamah M. Al-Omair
doaj +2 more sources