English
Related papers

Related papers: Use the Keys Pre-Distribution KDP-scheme for Manda…

200 papers

Quantum key distribution (QKD) is a provably secure way for two distant parties to establish a common secret key, which then can be used in a classical cryptographic scheme. Using quantum entanglement, one can reduce the necessary…

Quantum Physics · Physics 2016-08-10 E. A. Aguilar , R. Ramanathan , J. Kofler , M. Pawlowski

State-of-the-art Quantum Key Distribution (QKD) is based on the uncertainty principle of qubits on quantum measurements and is theoretically proven to be unconditionally secure. Over the past three decades, QKD has been explored with single…

Quantum Physics · Physics 2023-02-16 Randy Kuang , Nicolas Bettenburg

Quantum Key Distribution (QKD) is a means of generating keys between a pair of computing hosts that is theoretically secure against cryptanalysis, even by a quantum computer. Although there is much active research into improving the QKD…

Cryptography and Security · Computer Science 2017-12-08 Piotr K. Tysowski , Xinhua Ling , Norbert Lütkenhaus , Michele Mosca

We present a simple method to obtain an upper bound on the achievable secret key rate in quantum key distribution (QKD) protocols that use only unidirectional classical communication during the public-discussion phase. This method is based…

Quantum Physics · Physics 2009-11-13 Tobias Moroder , Marcos Curty , Norbert Lütkenhaus

Quantum Key Distribution (QKD) supports the negotiation and sharing of private keys with unconditional security between authorized parties. Over the years, theoretical advances and experimental demonstrations have successfully transitioned…

Quantum Physics · Physics 2025-11-17 Haoran Zhang , Haotao Zhu , Ruihua He , Yan Zhang , Chao Ding , Lajos Hanzo , Weibo Gao

Cyber-security has become vital for modern networked control systems (NCS). In this paper, we propose that the emerging technology of quantum key distribution (QKD) can be applied to enhance the privacy and security of NCS up to an…

Systems and Control · Computer Science 2018-05-24 Hai-Jin Ding , Re-Bing Wu , Qian-Chuan Zhao

A secret sharing scheme is a cryptographic protocol to distribute a secret state in an encoded form among a group of players such that only authorized subsets of the players can reconstruct the secret. Classically, efficient secret sharing…

Quantum Physics · Physics 2010-07-08 Pradeep Sarvepalli , Robert Raussendorf

In stabilizer-based quantum secret sharing schemes, it is known that some shares can be distributed to participants before a secret is given to the dealer. This distribution is known as advance sharing. It is already known that a set of…

Quantum Physics · Physics 2025-02-11 Mamoru Shibata

We present the design and implementation of the PeerShare, a system that can be used by applications to securely distribute sensitive data to social contacts of a user. PeerShare incorporates a generic framework that allows different…

Cryptography and Security · Computer Science 2013-07-18 Marcin Nagy , N. Asokan , Joerg Ott

Digital signatures are widely used for providing security of communications. At the same time, the security of currently deployed digital signature protocols is based on unproven computational assumptions. An efficient way to ensure an…

Quantum Physics · Physics 2022-01-19 E. O. Kiktenko , A. S. Zelenetsky , A. K. Fedorov

Semiquantum key distribution allows a quantum party to share a random key with a "classical" party who only can prepare and measure qubits in the computational basis or reorder some qubits when he has access to a quantum channel. In this…

Quantum Physics · Physics 2016-02-16 Qin Li , Wai Hong Chan , Shengyu Zhang

The Kish key distribution system has been proposed as a class ical alternative to quantum key distribution. The idealized Kish scheme elegantly promise s secure key distribution by exploiting thermal noise in a transmission line. However,…

Cryptography and Security · Computer Science 2014-05-21 Lachlan J. Gunn , Andrew Allison , Derek Abbott

We present an overview of quantum key distribution (QKD), a secure key exchange method based on the quantum laws of physics rather than computational complexity. We also provide an overview of the two most widely used commodity security…

Cryptography and Security · Computer Science 2010-07-15 Alan Mink , Sheila Frankel , Ray Perlner

Post-processing is a significant step in quantum key distribution(QKD), which is used for correcting the quantum-channel noise errors and distilling identical corrected keys between two distant legitimate parties. Efficient error…

Quantum Physics · Physics 2019-05-09 Chaohui Gao , Dong Jiang , Liangliang Lu , Yu Guo , Lijun Chen

We introduce a protocol with a reconfigurable filter system to create non-overlapping single loops in the smart power grid for the realization of the Kirchhoff-Law-Johnson-(like)-Noise secure key distribution system. The protocol is valid…

Cryptography and Security · Computer Science 2013-12-18 Elias Gonzalez , Laszlo B. Kish , Robert Balog , Prasad Enjeti

Quantum Key Exchange (QKE, also known as Quantum Key Distribution or QKD) allows communicating parties to securely establish cryptographic keys. It is a well-established fact that all QKE protocols require that the parties have access to an…

Quantum Physics · Physics 2009-08-11 Kenneth G. Paterson , Fred Piper , Ruediger Schack

Cryptographic Protocols (CP) are distributed algorithms intended for secure communication in an insecure environment. They are used, for example, in electronic payments, electronic voting procedures, systems of confidential data processing,…

Cryptography and Security · Computer Science 2021-09-21 Andrew M. Mironov

Key establishment is a crucial primitive for building secure channels: in a multi-party setting, it allows two parties using only public authenticated communication to establish a secret session key which can be used to encrypt messages.…

Quantum Physics · Physics 2012-06-28 Michele Mosca , Douglas Stebila , Berkant Ustaoglu

Most traditional applications of quantum cryptography are point-to-point communications, in which only two users can exchange keys. In this letter, we present a network scheme that enable quantum key distribution between multi-user with…

Quantum Physics · Physics 2007-05-23 Xiao-Fan Mo , Tao Zhang , Fang-Xing Xu , Zheng-Fu Han , Guang-Can Guo

We consider quantum key distribution implementations in which the receiver's apparatus is fixed and does not depend on his choice of basis at each qubit transmission. We show that, although theoretical quantum key distribution is proven…

Quantum Physics · Physics 2014-07-29 Michel Boyer , Ran Gelles , Tal Mor
‹ Prev 1 4 5 6 7 8 10 Next ›