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As 5G networks gain traction in defense applications, ensuring the privacy and integrity of the Authentication and Key Agreement (AKA) protocol is critical. While 5G AKA improves upon previous generations by concealing subscriber…

Cryptography and Security · Computer Science 2025-09-03 I. D. Lutz , A. M. Hill , M. C. Valenti

Current methods for authentication and key agreement based on public-key cryptography are vulnerable to quantum computing. We propose a novel approach based on artificial intelligence research in which communicating parties are viewed as…

Cryptography and Security · Computer Science 2021-07-12 Ibrahim H. Ahmed , Josiah P. Hanna , Elliot Fosong , Stefano V. Albrecht

As 5G networks expand into critical infrastructure, secure and efficient user authentication is more important than ever. The 5G-AKA protocol, standardized by 3GPP in TS 33.501, is central to authentication in current 5G deployments. It…

Cryptography and Security · Computer Science 2025-07-29 Nazatul H. Sultan , Xinlong Guan , Josef Pieprzyk , Wei Ni , Sharif Abuadbba , Hajime Suzuki

Security protocols stipulate how the remote principals of a computer network should interact in order to obtain specific security goals. The crucial goals of confidentiality and authentication may be achieved in various forms, each of…

Cryptography and Security · Computer Science 2018-02-27 Giampaolo Bella , Stefano Bistarelli

The standardized Authentication and Key Agreement protocol for 5G networks (5G AKA) have several security and privacy vulnerabilities. In this paper, we propose a novel authentication and key agreement protocol for 5G and beyond that is…

Cryptography and Security · Computer Science 2024-10-29 Mohamed Taoufiq Damir , Tommi Meskanen , Sara Ramezanian , Valtteri Niemi

Replay attack and password attacks are serious issues in the Kerberos authentication protocol. Many ideas have been proposed to prevent these attacks but they increase complexity of the total Kerberos environment. In this paper we present…

Cryptography and Security · Computer Science 2013-04-15 Gagan Dua , Nitin Gautam , Dharmendar Sharma , Ankit Arora

Security protocols are building blocks in secure communications. They deploy some security mechanisms to provide certain security services. Security protocols are considered abstract when analyzed, but they can have extra vulnerabilities…

Cryptography and Security · Computer Science 2016-06-03 Mohsen Toorani

Atomic Commit Problem (ACP) is a single-shot agreement problem similar to consensus, meant to model the properties of transaction commit protocols in fault-prone distributed systems. We argue that ACP is too restrictive to capture the…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-03-13 Gregory Chockler , Alexey Gotsman

The advent of Big Data has made the collection and analysis of cyber threat intelligence challenging due to its volume, leading research to focus on identifying key threat actors; yet these studies have failed to consider the technical…

Cryptography and Security · Computer Science 2025-06-04 Estelle Ruellan , Francois Labreche , Masarah Paquet-Clouston

In this work we construct an alternative model for Authenticated Key Exchange, intended to build a theoretic security framework for protocols whose characteristics may not always concur with the specifics of already existing models for…

Cryptography and Security · Computer Science 2026-05-25 Rodrigo Martín Sánchez-Ledesma , David Domingo Martín , Iván Blanco Chacón , Ignacio Luengo Velasco

Quantum communication networks are connected by various devices to achieve communication or distributed computing for users in remote locations. In order to solve the problem of generating temporary session key for secure communication in…

Quantum Physics · Physics 2023-04-03 Li-Zhen Gao , Xin Zhang , Song Lin , Ning Wang , Gong-De Guo

Recently, two certificateless three-party authenticated key agreement protocols were proposed, and both protocols were claimed they can meet the desirable security properties including forward security, key compromise impersonation…

Cryptography and Security · Computer Science 2013-01-23 Haiyan Sun , Qiaoyan Wen , Hua Zhang , Zhengping Jin , Wenmin Li

Millions of devices are going to participate in 5G producing a huge space for security threats. The 5G specification goals require rigid and robust security protocol against such threats. Quantum cryptography is a recently emerged term in…

Quantum Conference Key Agreement (QCKA) protocols are designed to allow multiple parties to agree on a shared secret key, secure against computationally unbounded adversaries. In this paper, we consider a high-dimensional QCKA protocol and…

Quantum Physics · Physics 2022-02-02 Omar Amer , Walter O. Krawec

This work is intended as an introduction to cryptographic security and a motivation for the widely used Quantum Key Distribution (QKD) security definition. We review the notion of security necessary for a protocol to be usable in a larger…

Quantum Physics · Physics 2014-09-12 Christopher Portmann , Renato Renner

A new 4-pass Key-Agreement Protocol is presented. The security of the protocol mainly relies on the existence of a (polynomial-computable) One-Way-Function and the supposed computational hardness of solving a specific system of equations.

Cryptography and Security · Computer Science 2009-04-08 Bjoern Grohmann

Active Directory is the most popular service to manage users and devices on the network. Its widespread deployment in the corporate world has made it a popular target for threat actors. While there are many attacks that target Active…

Cryptography and Security · Computer Science 2023-01-03 Thomas Grippo , Hisham A. Kholidy

Post-quantum cryptography is essential for securing digital communications against threats posed by quantum computers. Re-searchers have focused on developing algorithms that can withstand attacks from both classical and quantum computers,…

Cryptography and Security · Computer Science 2025-01-22 Juan Pedro Hecht , Hugo Daniel Scolnik

Designing a quantum key agreement (QKA) protocol is always a challenging task, because both the security and the fairness properties have to be considered simultaneously. Recently, Zhu et al. (Quantum Inf Process 14(11): 4245-4254) pointed…

Quantum Physics · Physics 2015-10-29 Jun Gu , Tzonelih Hwang

This paper considers a key agreement problem in which two parties aim to agree on a key by exchanging messages in the presence of adversarial tampering. The aim of the adversary is to disrupt the key agreement process, but there are no…

Information Theory · Computer Science 2009-01-30 Terence Chan , Ning Cai , Alex Grant
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