Results 11 to 20 of about 13,748 (278)
Experimental quantum key distribution beyond the repeaterless secret key capacity [PDF]
Nature Photonics, 2019 Quantum communications promise to revolutionise the way information is exchanged and protected. Unlike their classical counterpart, they are based on dim optical pulses that cannot be amplified by conventional optical repeaters. Consequently they are heavily impaired by propagation channel losses, which confine their transmission rate and range below a
M. Minder +6 more
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Secret Key Agreement for SISO Visible Light Communication Systems
PhotonicsThis paper studies the use of secret key agreement for single-input single-output (SISO) visible light communication (VLC) systems. Specifically, we put forward a scheme for secret key generation and analyze the secret key rate in SISO VLC systems. First,
Dongqin Guo +4 more
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Secret-Key Capacity From MIMO Channel Probing
IEEE Wireless Communications LettersRevealing expressions of secret-key capacity (SKC) based on data sets from Gaussian MIMO channel probing are presented. It is shown that Maurer's upper and lower bounds on SKC coincide when the used data sets are produced from one-way channel probing. As channel coherence time increases, SKC in bits per probing channel use is always lower bounded by a ...
Yingbo Hua, Ahmed Maksud
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Quantum key distribution beyond the repeaterless secret key capacity
, 2020 Quantum communications promise to provide information theoretic security in the exchange of information. However, unlike their classical counterpart, they utilise dim optical pulses whose amplification is prohibited. Consequently, their transmission rate and range is confined below a theoretical limit known as repeaterless secret key capacity ...
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An Efficient Advantage Distillation Scheme for Bidirectional Secret-Key Agreement
Entropy, 2017 The classical secret-key agreement (SKA) scheme includes three phases: (a) advantage distillation (AD), (b) reconciliation, and (c) privacy amplification.
Yan Feng +4 more
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On the Secret Key Capacity of Sibling Hidden Markov Models
IEEE Transactions on Information Forensics and Security, 2019 Traditional approaches to secret key establishment based on common randomness have been based on certain restrictive assumptions, such as considering the available common randomness to consist of independent and identically distributed (i.i.d) repetitions of correlated random variables. Unfortunately, the i.i.d assumption does not generally reflect the
Mohammad Reza Khalili Shoja +4 more
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Effects of Quantization on the Multiple-Round Secret-Key Capacity [PDF]
CoRR, 2021 We consider the strong secret key (SK) agreement problem for the satellite communication setting, where a satellite chooses a common binary phase shift keying modulated input for three statistically independent additive white Gaussian noise measurement channels whose outputs are observed by two legitimate transceivers (Alice and Bob) and an ...
Onur Günlü +2 more
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Direct and Reverse Secret-Key Capacities of a Quantum Channel [PDF]
Physical Review Letters, 2009 4 pages, 5 figures ...
Pirandola, Stefano +3 more
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Stealthy Secret Key Generation [PDF]
Entropy, 2020 In order to make a warden, Willie, unaware of the existence of meaningful communications, there have been different schemes proposed including covert and stealth communications.
Pin-Hsun Lin +3 more
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A Secret-Key Image Steganography Technique using Random Chain Codes
International Journal of Technology, 2019 With the wide range use of digital communication technologies, the Internet has been commonly used as a channel for transmitting various images. Steganography practises have been implemented for achieving such secure transmission.
Mohammed Abbas Fadhil Al-Husainy +1 more
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