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Related papers: A note on the security of the hHB protocol

200 papers

Relativistic cryptography exploits the fact that no information can travel faster than the speed of light in order to obtain security guarantees that cannot be achieved from the laws of quantum mechanics alone. Recently, Lunghi et al [Phys.…

Quantum Physics · Physics 2016-12-16 Kaushik Chakraborty , André Chailloux , Anthony Leverrier

Time, data and memory trade off attack is one of the most important threats against pseudo- random generators and resisting against it, is considered as a main criteria of designing such generators. In this research, the pseudo-random GMGK…

Cryptography and Security · Computer Science 2020-04-07 Behrooz Khadem , Ali Madadi

To safeguard Civilian Global Navigation Satellite Systems (GNSS) external information available to the platform encompassing the GNSS receiver can be used to detect attacks. Cross-checking the GNSS-provided time against alternative multiple…

Cryptography and Security · Computer Science 2025-02-13 Marco Spanghero , Panos Papadimitratos

In this work, we study interception attacks against a secret sharing protocol based on Grovers search algorithm. Unlike previous works that only give the algorithm for two and three participants, we have generalized the algorithm for any…

Quantum Physics · Physics 2023-10-04 Hristo Tonchev , Rosen Bahtev

Jailbreak attacks aim to bypass the LLMs' safeguards. While researchers have proposed different jailbreak attacks in depth, they have done so in isolation -- either with unaligned settings or comparing a limited range of methods. To fill…

Cryptography and Security · Computer Science 2025-05-27 Junjie Chu , Yugeng Liu , Ziqing Yang , Xinyue Shen , Michael Backes , Yang Zhang

The multiparty key exchange introduced in Steiner et al.\@ and presented in more general form by the authors is known to be secure against passive attacks. In this paper, an active attack is presented assuming malicious control of the…

Information Theory · Computer Science 2015-09-04 Reto Schnyder , Juan Antonio Lopez-Ramos , Joachim Rosenthal , Davide Schipani

In a recent comment \cite{ch1} it has been claimed that an entangled-based quantum key distribution protocol proposed in \cite{zhang} and its generalization to d-level systems in \cite{v1} are insecure against an attack devised by the…

Quantum Physics · Physics 2009-11-11 V. Karimipour

Hybrid systems are integrations of discrete computation and continuous physical evolution. The physical components of such systems introduce safety requirements, the achievement of which asks for the correct monitoring and control from the…

Logic in Computer Science · Computer Science 2014-03-28 Shuling Wang , Flemming Nielson , Hanne Riis Nielson

An algorithm is presented which implements a probabilistic attack on the key-exchange protocol based on permutation parity machines. Instead of imitating the synchronization of the communicating partners, the strategy consists of a Monte…

Cryptography and Security · Computer Science 2012-10-26 Luís F. Seoane , Andreas Ruttor

In AFRICACRYPT 2010, Abdalla et al. first proposed a slight modification to the computations steps of the BD protocol, called mBD+P. Then they extended mBD+P protocol into mBD+S protocol. In this paper, we show that both of mBD+P and mBD+S…

Cryptography and Security · Computer Science 2010-08-09 Qingfeng Cheng , Chuangui Ma

We present a bit-string quantum oblivious transfer protocol based on single-qubit rotations. Our protocol is built upon a previously proposed quantum public-key protocol and its practical security relies on the laws of Quantum Mechanics.…

Quantum Physics · Physics 2017-09-05 J. Rodrigues , P. Mateus , N. Paunković , A. Souto

In this paper, an improved secure address resolution protocol is presented where ARP spoofing attack is prevented. The proposed methodology is a centralised methodology for preventing ARP spoofing attack. In the proposed model there is a…

Cryptography and Security · Computer Science 2014-06-12 Abhishek Samvedi , Sparsh Owlak , Vijay Kumar Chaurasia

Recently, a quantum multi-party summation protocol based on the quantum Fourier transform has been proposed [Quantum Inf Process 17: 129, 2018]. The protocol claims to be secure against both outside and participant attacks. However, a…

Quantum Physics · Physics 2021-06-16 Cai Zhang , Mohsen Razavi , Zhewei Sun , Haozhen Situ

Graph neural networks (GNNs) have achieved state-of-the-art performance in many graph-based tasks such as node classification and graph classification. However, many recent works have demonstrated that an attacker can mislead GNN models by…

Machine Learning · Computer Science 2022-05-10 Binghui Wang , Youqi Li , Pan Zhou

We examine two public key exchange protocols proposed recently by Grigoriev and Shpilrain (arXiv:1811.06386), which use tropical algebra. We introduce a fast attack on the first protocol, and we show that the second protocol cannot be…

Cryptography and Security · Computer Science 2020-12-01 Steve Isaac , Delaram Kahrobaei

Harvest-now, decrypt-later (HN-DL) attacks threaten today's encrypted communications by archiving ciphertext until a quantum computer can break the underlying key exchange. This paper reframes HN-DL as an economic problem, quantifying…

Cryptography and Security · Computer Science 2026-03-03 Javier Blanco-Romero , Florina Almenares Mendoza , Carlos García Rubio , Celeste Campo , Daniel Díaz Sánchez

Dynamic Source Routing (DSR) is a well known source routing protocol for ad hoc networks. The algorithm depends on the cooperative participation of the nodes that enables route discovery from a source node to a destination node. However, if…

Cryptography and Security · Computer Science 2012-09-09 Jaydip Sen

We consider the problem of defending a hash table against a Byzantine attacker that is trying to degrade the performance of query, insertion and deletion operations. Our defense makes use of resource burning (RB) -- the the verifiable…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-09 Trisha Chakraborty , Jared Saia , Maxwell Young

By expanding the connection of objects to the Internet and their entry to human life, the issue of security and privacy has become important. In order to enhance security and privacy on the Internet, many security protocols have been…

Cryptography and Security · Computer Science 2019-07-29 Masoumeh Safkhani , Nasour Bagheri

Wireless networks are vulnerable to Sybil attacks, in which a malicious node poses as many identities in order to gain disproportionate influence. Many defenses based on spatial variability of wireless channels exist, but depend either on…

Cryptography and Security · Computer Science 2014-03-25 Yue Liu , David R. Bild , Robert P. Dick , Z. Morley Mao , Dan S. Wallach