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The rapid advancement of quantum computing poses a significant threat to many current security algorithms used for secure communication, digital authentication, and information encryption. A sufficiently powerful quantum computer could…

Cryptography and Security · Computer Science 2024-07-19 Basel Halak , Cristian Sebastian Csete , Edward Joyce , Jack Papaioannou , Alexandre Pires , Jin Soma , Betul Gokkaya , Michael Murphy

The security of any cryptosystem relies on the secrecy of the system's secret keys. Yet, recent experimental work demonstrates that tens of thousands of devices on the Internet use RSA and DSA secrets drawn from a small pool of candidate…

Cryptography and Security · Computer Science 2014-01-09 Henry Corrigan-Gibbs , Wendy Mu , Dan Boneh , Bryan Ford

Products certified under security certification frameworks such as Common Criteria undergo significant scrutiny during the costly certification process. Yet, critical vulnerabilities, including private key recovery (ROCA, Minerva,…

Cryptography and Security · Computer Science 2024-07-02 Adam Janovsky , Jan Jancar , Petr Svenda , Łukasz Chmielewski , Jiri Michalik , Vashek Matyas

Recently, Zou et al. [Phys. Rev. A 82, 042325 (2010)] demonstrated that two arbitrated quantum signature (AQS) schemes are not secure, because an arbitrator cannot arbitrate the dispute between two users when a receiver repudiates the…

Quantum Physics · Physics 2012-02-13 Tzonelih Hwang , Yi-Ping Luo , Song-Kong Chong

Electronic documents are signed using private keys and verified using the corresponding digital certificates through the well-known public key infrastructure model. Private keys must be kept in a safe container so they can be reused. This…

Cryptography and Security · Computer Science 2024-08-02 Lucas Mayr , Gustavo Zambonin , Frederico Schardong , Ricardo Custódio

Due to potential capability of providing unconditional security, arbitrated quantum signature (AQS) schemes, whose implementation depends on the participation of a trusted third party, received intense attention in the past decade.…

Quantum Physics · Physics 2015-06-05 Qin Li , Chengqing Li , Zhonghua Wen , Weizhong Zhao , W. H. Chan

Recruiters and institutions around the world struggle with the verification of diplomas issued in a diverse and global education setting. Firstly, it is a nontrivial problem to identify bogus institutions selling education credentials.…

Computers and Society · Computer Science 2021-06-25 Stefan More , Peter Grassberger , Felix Hörandner , Andreas Abraham , Lukas Daniel Klausner

Safety-critical control tasks with high levels of uncertainty are becoming increasingly common. Typically, techniques that guarantee safety during learning and control utilize constraint-based safety certificates, which can be leveraged to…

Systems and Control · Electrical Eng. & Systems 2023-11-07 Alexandre Capone , Ryan Cosner , Aaron Ames , Sandra Hirche

A safe and secure Domain Name System (DNS) is of paramount importance for the digital economy and society. Malicious activities on the DNS, generally referred to as "DNS abuse" are frequent and severe problems affecting online security and…

Cryptography and Security · Computer Science 2022-12-20 Jan Bayer , Yevheniya Nosyk , Olivier Hureau , Simon Fernandez , Ivett Paulovics , Andrzej Duda , Maciej Korczyński

The rapid development of information and network technologies motivates the emergence of various new computing paradigms, such as distributed computing, and edge computing. This also enables more and more network enterprises to provide…

Cryptography and Security · Computer Science 2021-02-01 Jinyong Chen , Reiner Dojen , Anca Jurcut

Controller Area Networks (CANs) are the backbone for reliable intra-vehicular communication. Recent cyberattacks have, however, exposed the weaknesses of CAN, which was designed without any security considerations in the 1980s. Current…

Cryptography and Security · Computer Science 2025-04-24 Eric Wagner , Frederik Basels , Jan Bauer , Till Zimmermann , Klaus Wehrle , Martin Henze

The modern Internet is highly dependent on trust communicated via certificates. However, in some cases, certificates become untrusted, and it is necessary to revoke them. In practice, the problem of secure revocation is still open.…

Cryptography and Security · Computer Science 2022-03-07 Nikita Korzhitskii , Matus Nemec , Niklas Carlsson

This paper introduces the notion of control closure certificates to synthesize controllers for discrete-time control systems against $\omega$-regular specifications. Typical functional approaches to synthesize controllers against…

Logic in Computer Science · Computer Science 2025-08-07 Vishnu Murali , Mohammed Adib Oumer , Majid Zamani

To remove key escrow problem and avoid the need of secure channel in ID based cryptosystem Lee et al. proposed a secure key issuing protocol. However we show that it suffers from impersonation, insider attacks and incompetency of the key…

Cryptography and Security · Computer Science 2007-05-23 Raju Gangishetti , M. Choudary Gorantla , Manik Lal Das , Ashutosh Saxena

In a variety of applications, there is a need to authenticate content that has experienced legitimate editing in addition to potential tampering attacks. We develop one formulation of this problem based on a strict notion of security, and…

Information Theory · Computer Science 2007-07-13 Emin Martinian , Gregory W. Wornell , Brian Chen

Quantum Key Distribution (QKD) protocols rely on authenticated classical communication. Typical QKD security proofs are carried out in an idealized setting where authentication is assumed to behave honestly: it never aborts, and all…

Quantum Physics · Physics 2026-01-27 Devashish Tupkary , Shlok Nahar , Ernest Y. -Z. Tan

Yeh et al. recently have proposed a mutual authentication protocol based on EPC Class-1 Gen.-2 standard [1]. They have claimed that their protocol is secure against adversarial attacks and also provides forward secrecy. In this paper we…

Cryptography and Security · Computer Science 2011-02-07 Mohammad Hassan Habibi , Mahmud Gardeshi , Mahdi R. Alaghband

In this paper, we analyze the security of an RFID authentication protocol proposed by Liu and Bailey [1], called Privacy and Authentication Protocol (PAP), and show its vulnerabilities and faulty assumptions. PAP is a privacy and…

Cryptography and Security · Computer Science 2010-08-24 Mu'awya Naser , Pedro Peris-Lopez , Mohammd Rafie , Jan van der Lubbe

Quantum communication offers unique features that have no classical analog, in particular, it enables provably secure quantum key distribution (QKD). Despite the benefits of quantum communication are well understood within the scientific…

Quantum Physics · Physics 2024-03-21 D. Sych , A. Kodukhov , V. Pastushenko , N. Kirsanov , D. Kronberg , M. Pflitsch

Evaluating the correctness of code generated by AI is a challenging open problem. In this paper, we propose a fully automated method, named ACCA, to evaluate the correctness of AI-generated code for security purposes. The method uses…

Software Engineering · Computer Science 2024-06-11 Domenico Cotroneo , Alessio Foggia , Cristina Improta , Pietro Liguori , Roberto Natella
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