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Related papers: Efficient Password-Typed Key Agreement Scheme

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The multi-access variant of the coded caching problem in the presence of an external wiretapper is investigated . A multi-access coded caching scheme with $K$ users, $K$ caches and $N$ files, where each user has access to $L$ neighbouring…

Information Theory · Computer Science 2021-05-13 K. K. Krishnan Namboodiri , B. Sundar Rajan

Device-independent quantum cryptographic schemes aim to guarantee security to users based only on the output statistics of any components used, and without the need to verify their internal functionality. Since this would protect users…

Quantum Physics · Physics 2013-08-07 Jonathan Barrett , Roger Colbeck , Adrian Kent

Recently, Zhang, Li, and Guo have proposed a particular eavesdropping attack [Phys. Rev. A {\bf 63}, 036301 (2001), quant-ph/0009042] which shows that my quantum key distribution protocol based on entanglement swapping [Phys. Rev. A {\bf…

Quantum Physics · Physics 2016-09-08 Adan Cabello

Traditional text-based password schemes are inherently weak. Users tend to choose passwords that are easy to remember, making them susceptible to various attacks that have matured over the years. ObPwd [5] has tried to address these issues…

Cryptography and Security · Computer Science 2018-01-23 Sufian Hameed , Lamak Qaizar , Shankar Khatri

Detection-efficiency mismatch is a common problem in practical quantum key distribution (QKD) systems. Current security proofs of QKD with detection-efficiency mismatch rely either on the assumption of the single-photon light source on the…

Quantum Physics · Physics 2022-07-27 Anton Trushechkin

In the use of a cloud storage, sharing of data with efficient access control is an important requirement in addition to data security and privacy. Cui et al. (IEEE Trans. on Comp. 2016) proposed \textit{key-aggregate searchable encryption…

Cryptography and Security · Computer Science 2020-02-13 Masahiro Kamimura , Naoto Yanai , Shingo Okamura , Jason Paul Cruz

We propose an alternative quantum cryptography protocol using the quantum interference effect. The efficiency of creating sifted key can reach 100\% in principle, which is higher than previous protocols. Especially, compared with the…

Quantum Physics · Physics 2014-11-05 Qi Guo , Liu-Yong Cheng , Hong-Fu Wang , Shou Zhang

We propose a new scheme for sharing symmetric key operations among a set of participants according to a (t,n) threshold access structure. We focus on anonymity properties of this scheme and show that this scheme provides improved values of…

Cryptography and Security · Computer Science 2011-05-31 Mausumi Bose , Rahul Mukerjee

Recently, Lu et al. have proposed two image search schemes based on additive homomorphic encryption [IEEE Access, 2 (2014), 125-141]. We remark that both two schemes are flawed because: (1) the first scheme does not make use of the additive…

Cryptography and Security · Computer Science 2016-01-07 Zhengjun Cao , Lihua Liu

We propose pretty simple password-authenticated key-exchange protocol which is based on the difficulty of solving DDH problem. It has the following advantages: (1) Both $y_1$ and $y_2$ in our protocol are independent and thus they can be…

Cryptography and Security · Computer Science 2007-05-23 Kazukuni Kobara , Hideki Imai

The safety of a quantum key distribution system relies on the fact that any eavesdropping attempt on the quantum channel creates errors in the transmission. For a given error rate, the amount of information that may have leaked to the…

Quantum Physics · Physics 2009-10-28 B. Huttner , N. Imoto , N. Gisin , T. Mor

We devise a new quantum key distribution scheme that is more efficient than the BB84 protocol. By pre-announcing basis, Alice and Bob are more likely to use the same basis to prepare and measure the qubits, thus achieves a higher…

Quantum Physics · Physics 2015-06-23 Jingliang Gao , Changhua Zhu , Heling Xiao

In theory, quantum key distribution (QKD) allows secure communications between two parties based on physical laws. However, most of the security proofs of QKD today make unrealistic assumptions and neglect many relevant device…

Quantum Physics · Physics 2019-08-06 Margarida Pereira , Marcos Curty , Kiyoshi Tamaki

Password-based authentication schemes are the most widely used techniques for remote user authentication. Many static ID-based remote user authentication schemes both with and without smart cards have been proposed. Most of the schemes do…

Cryptography and Security · Computer Science 2016-11-18 Manik Lal Das , Ashutosh Saxena , Ved P. Gulati

By carrying out measurements on entangled states, two parties can generate a secret key which is secure not only against an eavesdropper bound by the laws of quantum mechanics, but also against a hypothetical "post-quantum" eavesdroppers…

Quantum Physics · Physics 2007-10-22 Antonio Acin , Serge Massar , Stefano Pironio

Modern cryptography is essential to communication and information security for performing all kinds of security actions, such as encryption, authentication, and signature. However, the exposure possibility of keys poses a great threat to…

Cryptography and Security · Computer Science 2020-10-27 Longjiang Li , Bingchuan Ma , Jianjun Yang , Yonggang Li , Yuming Mao

In this paper we propose Time Synchronized One-Time-Password scheme to provide secure wake up authentication. The main constraint of wireless sensor networks is their limited power resource that prevents us from using radio transmission…

Networking and Internet Architecture · Computer Science 2013-02-08 Anastasios Kavoukis , Salem Aljareh

Continuous authentication has been proposed as a complementary security mechanism to password-based authentication for computer devices that are handled directly by humans, such as smart phones. Continuous authentication has some privacy…

Cryptography and Security · Computer Science 2022-09-15 Sigurd Eskeland , Ahmed Fraz Baig

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

Quantum key distribution (QKD) promises secure key agreement by using quantum mechanical systems. We argue that QKD will be an important part of future cryptographic infrastructures. It can provide long-term confidentiality for encrypted…

Quantum Physics · Physics 2010-01-25 Douglas Stebila , Michele Mosca , Norbert Lütkenhaus