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Quantum key distribution (QKD) promises provably secure communications. In order to improve the secret key rate, combining a biased basis choice with the decoy-state method is proposed. Concomitantly, there is a basis-independent detection…

量子物理 · 物理学 2021-08-11 Hua-Lei Yin , Peng Liu , Wei-Wei Dai , Zhao-Hui Ci , Jie Gu , Tian Gao , Qiang-Wei Wang , Zi-Yao Shen

The emergence of quantum computing and Shor's algorithm necessitates an imminent shift from current public key cryptography techniques to post-quantum robust techniques. NIST has responded by standardising Post-Quantum Cryptography (PQC)…

密码学与安全 · 计算机科学 2025-05-23 J Cameron Patterson , William J Buchanan , Callum Turino

LLM agents are increasingly relevant to research domains such as vulnerability discovery. Yet, the strongest systems remain closed and cloud-only, making them resource-intensive, difficult to reproduce, and unsuitable for work involving…

密码学与安全 · 计算机科学 2026-03-19 Philipp Normann , Andreas Happe , Jürgen Cito , Daniel Arp

In this work, we revisit the dual attack and GPV trapdoor sampling, focusing on the lattice Gaussian sampling term, which can be a significant bottleneck in the overall complexity. We show that this sampling step can be quantumly…

量子物理 · 物理学 2026-05-26 Cong Ling , Hao Yan , Nicholas Zhao

We develop a new method to quantify the secret key rate for permutation-invariant protocols for coherent attacks and finite resources. The method reduces the calculation of secret key rates for coherent attacks to the calculation for…

量子物理 · 物理学 2015-06-05 Markus Mertz , Hermann Kampermann , Sylvia Bratzik , Dagmar Bruß

Cloud data storage solutions offer customers cost-effective and reduced data management. While attractive, data security issues remain to be a core concern. Traditional encryption protects stored documents, but hinders simple…

密码学与安全 · 计算机科学 2023-06-28 Marc Damie , Florian Hahn , Andreas Peter

This paper summarizes our work on experimentally analyzing, exploiting, and addressing vulnerabilities in multi-level cell NAND flash memory programming, which was published in the industrial session of HPCA 2017, and examines the work's…

硬件体系结构 · 计算机科学 2018-05-10 Yu Cai , Saugata Ghose , Yixin Luo , Ken Mai , Onur Mutlu , Erich F. Haratsch

Classification techniques can be used to analyze system behaviors, network protocols, and cryptographic primitives based on identifiable traits. While useful for defense, such classification can also be leveraged by attackers to infer…

密码学与安全 · 计算机科学 2026-01-13 Tushin Mallick , Cristina Nita-Rotaru , Ashish Kundu , Ramana Kompella

Quantum key distribution (QKD) is a cryptographic solution that leverages the properties of quantum mechanics to be resistant and secure even against an attacker with unlimited computational power. Satellite-based links are important in QKD…

量子物理 · 物理学 2025-11-10 Thomas Scarinzi , Davide Orsucci , Marco Ferrari , Luca Barletta

Post-quantum cryptography (PQC) is becoming essential for securing Internet of Things (IoT) and Industrial IoT (IIoT) systems against quantum-enabled adversaries. However, existing evaluation approaches primarily focus on isolated…

密码学与安全 · 计算机科学 2026-01-21 Jonatan Rassekhnia

A fault can occur naturally or intentionally. However, intentionally injecting faults into hardware accelerators of Post-Quantum Cryptographic (PQC) algorithms may leak sensitive information. This intentional fault injection in side-channel…

密码学与安全 · 计算机科学 2025-09-05 Paresh Baidya , Rourab Paul , Vikas Srivastava , Sumit Kumar Debnath

Recent advances in quantum computing pose a serious threat on the security of widely used public-key cryptosystems. Thus, new post-quantum cryptographic algorithms have been proposed as part of the associated US NIST process to enable…

密码学与安全 · 计算机科学 2023-01-13 Maximilian Schöffel , Johannes Feldmann , Norbert Wehn

We point out critical deficiencies in lattice-based cryptanalysis of common prime RSA presented in ``Remarks on the cryptanalysis of common prime RSA for IoT constrained low power devices'' [Information Sciences, 538 (2020) 54--68]. To…

密码学与安全 · 计算机科学 2024-01-09 Mengce Zheng

This paper presents another improved version of Plantard arithmetic that could speed up Kyber implementations on two low-end 32-bit IoT platforms (ARM Cortex-M3 and RISC-V) without SIMD extensions. Specifically, we further enlarge the input…

计算机与社会 · 计算机科学 2024-02-20 Junhao Huang , Haosong Zhao , Jipeng Zhang , Wangchen Dai , Lu Zhou , Ray C. C. Cheung , Cetin Kaya Koc , Donglong Chen

Post-Quantum cryptography is about to substitute current cryptographic schemes as being resilient in attacks from quantum computers. McEleiece and Bit Flip Key Encapsulation (BIKE) are two delight representatives based on coding theory…

密码学与安全 · 计算机科学 2026-05-19 Konstantinos Spalas

This paper presents a condensed system architecture for a file transfer solution that leverages post quantum cryptography and blockchain to secure data against quantum threats. The architecture integrates NIST standardized algorithms…

密码学与安全 · 计算机科学 2025-04-11 Ernesto Sola-Thomas , Masudul H Imtiaz

Reconciliation is a crucial procedure in post-processing of Quantum Key Distribution (QKD), which is used for correcting the error bits in sifted key strings. Although most studies about reconciliation of QKD focus on how to improve the…

量子物理 · 物理学 2019-03-26 Haokun Mao , Qiong Li , Qi Han , Hong Guo

This study aims to enhance the bidirectional authentication capability of ML-KEM (Module-Lattice-Based Key-Encapsulation Mechanism) by proposing the post-quantum cryptography-based (PQC-based) bidirectional authentication key exchange…

密码学与安全 · 计算机科学 2026-04-13 Abel C. H. Chen , James W. H. Tung , Austin B. Y. Lin , Chin-Ling Chen , Ching-Chun Chang , Chin-Chen Chang

This paper evaluates the secure level of authenticated encryption \textsc{Ascon} against cube-like method. \textsc{Ascon} submitted by Dobraunig \emph{et~al.} is one of 16 survivors of the 3rd round CAESAR competition. The cube-like method…

密码学与安全 · 计算机科学 2025-08-22 Zheng Li , Xiaoyang Dong , Xiaoyun Wang

Motivated by the rise of quantum computers, existing public-key cryptosystems are expected to be replaced by post-quantum schemes in the next decade in billions of devices. To facilitate the transition, NIST is running a standardization…

密码学与安全 · 计算机科学 2022-03-02 Saad Islam , Koksal Mus , Richa Singh , Patrick Schaumont , Berk Sunar