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In this paper, we propose a blockchain-based computing verification protocol, called EntrapNet, for distributed shared computing networks, an emerging underlying network for many internet of things (IoT) applications. EntrapNet borrows the…

Cryptography and Security · Computer Science 2021-05-04 Chong Li , Lei Zhang , Serbiao Fang

Two-factor authentication (2FA) schemes that rely on a combination of knowledge factors (e.g., PIN) and device possession have gained popularity. Some of these schemes remain secure even against strong adversaries that (a) observe the…

Cryptography and Security · Computer Science 2022-08-08 Steven J. Murdoch , Aydin Abadi

The primary innovation we pioneer -- focused on blockchain information security -- is called the Safe-House. The Safe-House is badly needed since there are many ongoing hacks and security concerns in the DeFi space right now. The Safe-House…

Cryptography and Security · Computer Science 2023-12-04 Ravi Kashyap

Most self-service payment terminals require network connectivity for processing electronic payments. The necessity to maintain network connectivity increases costs, introduces cybersecurity risks, and significantly limits the number of…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-07-20 Nikolay Ivanov , Qiben Yan

In this paper, a new contract signing protocol is proposed based on the RSA signature scheme. The protocol will allow two parties to sign the same contract and then exchange their digital signatures. The protocol ensures fairness in that it…

Cryptography and Security · Computer Science 2012-04-10 Abdullah M. Alaraj

This paper extends and advances our recently introduced two-factor Honeytoken authentication method by incorporating blockchain technology. This novel approach strengthens the authentication method to prevent many attacks including…

Cryptography and Security · Computer Science 2023-07-13 Vasilis Papaspirou , Leandros Maglaras , Ioanna Kantzavelou , Naghmeh Moradpoor , Sokratis Katsikas

The majority of systems rely on user authentication on passwords, but passwords have so many weaknesses and widespread use that easily raise significant security concerns, regardless of their encrypted form. Users hold the same password for…

Cryptography and Security · Computer Science 2021-01-22 Vassilis Papaspirou , Leandros Maglaras , Mohamed Amine Ferrag , Ioanna Kantzavelou , Helge Janicke , Christos Douligeris

The integration of air and ground smart vehicles is becoming a new paradigm of future transportation. A decent number of smart unmanned vehicles or UAS will be sharing the national airspace for various purposes, such as express delivery,…

Cryptography and Security · Computer Science 2021-10-19 Yongxin Liu , Jian Wang , Yingjie Chen , Shuteng Niu , Zhihan Lv , Lei Wu , Dahai Liu , Houbing Song

Despite technological advances, most smart objects in the Internet of Things (IoT) cannot be accessed using technologies designed and developed for interacting with powerful Internet servers. IoT use cases involve devices that not only have…

Cryptography and Security · Computer Science 2019-01-24 Nikos Fotiou , Vasilios A. Siris , George C. Polyzos

Internet of Things means connecting different devices through the Internet. The Internet of things enables humans to remotely manage and control the objects they use with the Internet infrastructure. After the advent of the Internet of…

Cryptography and Security · Computer Science 2025-10-10 Maryam Ataei Nezhad , Hamid Barati , Ali Barati

Encrypted cloud storage services are steadily increasing in popularity, with many commercial solutions currently available. In such solutions, the cloud storage is trusted for data availability, but not for confidentiality. Additionally,…

Cryptography and Security · Computer Science 2020-10-28 Anders Dalskov , Daniele Lain , Enis Ulqinaku , Kari Kostiainen , Srdjan Capkun

Unmanned aerial vehicle (UAV) networks are increasingly deployed for complex missions, including disaster response, intelligent logistics, and environmental monitoring. These missions generally require coordinated collaboration among…

Cryptography and Security · Computer Science 2026-03-03 Yao Wu , Ziye Jia , Jingjing Zhao , Haoyang Wang , Qihui Wu , Zhu Han

Certificates ensure the authenticity of users' public keys, however their overhead (e.g., certificate chains) might be too costly for some IoT systems like aerial drones. Certificate-free cryptosystems, like identity-based and…

Cryptography and Security · Computer Science 2021-03-18 Rouzbeh Behnia , Attila A. Yavuz , Muslum Ozgur Ozmen , Tsz Hon Yuen

Authentication is the first step toward establishing a service provider and customer (C-P) association. In a mobile network environment, a lightweight and secure authentication protocol is one of the most significant factors to enhance the…

Cryptography and Security · Computer Science 2019-07-29 Muhammad Bilal , Shin-Gak Kang

The rapid evolution of Internet of Things (IoT) environments has created an urgent need for secure and trustworthy distributed computing systems, particularly when dealing with heterogeneous devices and applications where centralized trust…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-02 Murtaza Rangwala , Rajkumar Buyya

The blockchain technology has been used for recording state transitions of smart contracts - decentralized applications that can be invoked through external transactions. Smart contracts gained popularity and accrued hundreds of billions of…

Cryptography and Security · Computer Science 2023-05-10 Nikolay Ivanov , Chenning Li , Qiben Yan , Zhiyuan Sun , Zhichao Cao , Xiapu Luo

Authentication is the first defence mechanism in many electronic systems, including Internet of Things (IoT) applications, as it is essential for other security services such as intrusion detection. As existing authentication solutions…

Cryptography and Security · Computer Science 2023-07-10 Salem AlJanah , Ning Zhang , Siok Wah Tay

To prevent password breaches and guessing attacks, banks increasingly turn to two-factor authentication (2FA), requiring users to present at least one more factor, such as a one-time password generated by a hardware token or received via…

Cryptography and Security · Computer Science 2015-01-20 Kat Krol , Eleni Philippou , Emiliano De Cristofaro , M. Angela Sasse

The advancement of low-altitude intelligent networks enables unmanned aerial vehicle (UAV) interconnection via flying ad-hoc networks (FANETs), offering flexibility and decentralized coordination. However, resource constraints, dynamic…

Cryptography and Security · Computer Science 2025-09-23 Yao Wu , Ziye Jia , Qihui Wu , Yian Zhu

The integration of Internet of Things (IoT) devices in healthcare has revolutionized patient care by enabling real-time monitoring, personalized treatments, and efficient data management. However, this technological advancement introduces…

Cryptography and Security · Computer Science 2025-12-30 Behnam Rezaei Bezanjani , Seyyed Hamid Ghafouri , Reza Gholamrezaei