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Channel knowledge map (CKM) is an emerging technique to enable environment-aware wireless communications, in which databases with location-specific channel knowledge are used to facilitate or even obviate real-time channel state information…

信息论 · 计算机科学 2021-08-17 Kun Li , Peiming Li , Yong Zeng , Jie Xu

Large language models (LLMs) demand significant memory and computation resources. Wafer-scale chips (WSCs) provide high computation power and die-to-die (D2D) bandwidth but face a unique trade-off between on-chip memory and compute…

硬件体系结构 · 计算机科学 2025-12-17 Huizheng Wang , Taiquan Wei , Zichuan Wang , Dingcheng Jiang , Qize Yang , Jiaxin Liu , Jingxiang Hou , Chao Li , Jinyi Deng , Yang Hu , Shouyi Yin

In recent years, several hacking attacks have broken the security of quantum cryptography implementations by exploiting the presence of losses and the ability of the eavesdropper to tune detection efficiencies. We present a simple attack of…

量子物理 · 物理学 2016-01-28 Antonio Acín , Daniel Cavalcanti , Elsa Passaro , Stefano Pironio , Paul Skrzypczyk

We present and demonstrate a new protocol for practical quantum cryptography, tailored for an implementation with weak coherent pulses to obtain a high key generation rate. The key is obtained by a simple time-of-arrival measurement on the…

量子物理 · 物理学 2009-11-11 Damien Stucki , Nicolas Brunner , Nicolas Gisin , Valerio Scarani , Hugo Zbinden

A central tenet of theoretical cryptography is the study of the minimal assumptions required to implement a given cryptographic primitive. One such primitive is the one-time memory (OTM), introduced by Goldwasser, Kalai, and Rothblum…

量子物理 · 物理学 2020-06-15 Anne Broadbent , Sevag Gharibian , Hong-Sheng Zhou

In recent years, U.S. Department of Transportation has adopts Institute of Electrical and Electronics Engineers (IEEE) 1609 series to build the security credential management system (SCMS) for being the standard of connected cars in U.S.…

密码学与安全 · 计算机科学 2025-01-13 Abel C. H. Chen

With the advancement of information hiding techniques, generation-based coverless steganography has emerged as an alternative to traditional methods, leveraging generative models to transform secret information into stego-objects rather…

密码学与安全 · 计算机科学 2025-03-14 Mingyu Yu , Haonan Miao , Zhengping Jin , Sujuan Qin

NTRU is one of the important lattice-based post-quantum cryptography methods, offering resistance against quantum computing attacks. However, a drawback of NTRU lies in its relatively low efficiency in generating key pairs. Therefore, this…

密码学与安全 · 计算机科学 2026-01-14 Abel C. H. Chen

We prove the security of a high-capacity quantum key distribution protocol over noisy channels. By using entanglement purification protocol, we construct a modified version of the protocol in which we separate it into two consecutive…

量子物理 · 物理学 2007-05-23 Xiao-Wei Zhang , Kai Wen , Gui Lu Long

In this paper secured wireless communication using fuzzy logic based high speed public key cryptography (FLHSPKC) has been proposed by satisfying the major issues likes computational safety, power management and restricted usage of memory…

密码学与安全 · 计算机科学 2012-11-12 Arindam Sarkar , J. K. Mandal

Ring signature is a kind of group-oriented signature. It allows a member of a group to sign messages on behalf of the group without revealing his/her identity. Certificateless public key cryptography was first introduced by Al-Riyami and…

密码学与安全 · 计算机科学 2017-12-27 Lei Zhang , Futai Zhang , Wei Wu

Accurate and tamper-resistant timestamps are essential for applications demanding verifiable chronological ordering, such as legal documentation and digital intellectual property protection. Classical timestamp protocols rely on…

量子物理 · 物理学 2025-07-24 Ming-Yang Li , Chen-Xun Weng , Wen-Bo Liu , Mengya Zhu , Zeng-Bing Chen

Wireless key generation holds significant promise for establishing cryptographic keys in Next-Gen Internet of Vehicles (IoV) systems. However, existing approaches often face inefficiencies and performance limitations caused by frequent…

网络与互联网体系结构 · 计算机科学 2025-02-25 Huanqi Yang , Weitao Xu

Constrained devices, such as smart sensors, wearable devices, and Internet of Things nodes, are increasingly prevalent in society and rely on secure communications to function properly. These devices often operate autonomously, exchanging…

Quantum conference key agreement (QCKA) enables the unconditional secure distribution of conference keys among multiple participants. Due to challenges in high-fidelity preparation and long-distance distribution of multi-photon…

量子物理 · 物理学 2024-06-26 Yu Bao , Yi-Ran Xiao , Yu-Chen Song , Yao Fu , Xiao-Yu Cao , Hua-Lei Yin , Zeng-Bing Chen

Based on Restricted Boltzmann Machines (RBMs), an improved pseudo-stochastic sequential cipher generator is proposed. It is effective and efficient because of the two advantages: this generator includes a stochastic neural network that can…

密码学与安全 · 计算机科学 2016-08-18 Fei Hu , Xiaofei Xu , Tao Peng , Changjiu Pu , Li Li

We present two new schemes for quantum key distribution (QKD) that neither require entanglement nor an ideal single-photon source, making them implementable with commercially available single-photon sources. These protocols are shown to be…

量子物理 · 物理学 2025-05-13 Arindam Dutta , Anirban Pathak

This paper presents a wireless neural recording system featuring energy-efficient data compression and encryption. An ultra-high efficiency is achieved by leveraging compressed sensing (CS) for simultaneous data compression and encryption.…

信号处理 · 电气工程与系统科学 2021-03-02 Xilin Liu , Andrew G. Richardson , Jan Van der Spiegel

The predominant grid authentication mechanisms use public key infrastructure (PKI). Nonetheless, certificate-less public key cryptography (CL-PKC) has several advantages that seem to well align with the demands of grid computing. Security…

密码学与安全 · 计算机科学 2014-03-13 Amr Farouk , Mohamed M. Fouad , Ahmed A. Abdelhafez

The characteristics of high loss rate, resource constraint, being eager for good security haven't been fully considered in the existing key establishment protocols of wireless sensor networks. Analyzing the key establishing problem from the…

密码学与安全 · 计算机科学 2021-04-06 Fajun Sun , Selena He , Xiaotong Zhang , Fanfan Shen , Qingan Li , Yanxiang He