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Source-independent quantum secret sharing (SI QSS), while essential for secure multiuser cryptographic operations in quantum networks, faces significant implementation challenges stemming from the inherent complexity of generating and…

Quantum Physics · Physics 2025-12-23 Yi-Ran Xiao , Hua-Lei Yin , Wen-Ji Hua , Xiao-Yu Cao , Zeng-Bing Chen

Quantum Information Networks (QINs) attract increasing interest, as they enable connecting quantum devices over long distances, thus greatly enhancing their intrinsic computing, sensing, and security capabilities. The core mechanism of a…

Satellite-based Communication systems are gaining renewed momentum in Industry and Academia, thanks to innovative services introduced by leading tech companies and the promising impact they can deliver towards the global connectivity…

Cryptography and Security · Computer Science 2022-08-04 Pietro Tedeschi , Savio Sciancalepore , Roberto Di Pietro

Packet switching revolutionized the Internet by allowing the efficient use of network resources for data transmission. In a previous work, we introduced packet switching in quantum networks as a path to the Quantum Internet and presented a…

Quantum Physics · Physics 2023-02-28 Reem Mandil , Stephen DiAdamo , Bing Qi , Alireza Shabani

Simple Password Exponential Key Exchange (SPEKE) is a well-known Password Authenticated Key Exchange (PAKE) protocol that has been used in Blackberry phones for secure messaging and Entrust's TruePass end-to-end web products. It has also…

Cryptography and Security · Computer Science 2025-09-29 Feng Hao , Roberto Metere , Siamak F. Shahandashti , Changyu Dong

Progress in the development of techniques for the construction of multiuser quantum communications networks is reviewed in light of the plans for an EU quantum communications infrastructure (EU QCI). Quantum key distribution networks may be…

Quantum Physics · Physics 2022-01-06 Adam M. Lewis , Petra F. Scudo

Quantum Key Distribution (QKD) is currently being discussed as a technology to safeguard communication in a future where quantum computers compromise traditional public-key cryptosystems. In this paper, we conduct a comprehensive security…

Realisation of significant advances in capabilities of sensors, computing, timing, and communication enabled by quantum technologies is dependent on engineering highly complex systems that integrate quantum devices into existing classical…

Emerging Technologies · Computer Science 2026-03-10 Hayato Ishida , Amal Elsokary , Maria Aslam , Catherine White , Michael J. de C. Henshaw , Siyuan Ji

Information Security has become an important issue in modern world as the popularity and infiltration of internet commerce and communication technologies has emerged, making them a prospective medium to the security threats. To surmount…

Cryptography and Security · Computer Science 2014-05-05 Mansoor Ebrahim , Shujaat Khan , Umer Bin Khalid

In recent years, quantum computing technologies have steadily matured and have begun to find practical applications across various domains. One important area is network communication security, where Quantum Key Distribution (QKD) enables…

Cryptography and Security · Computer Science 2026-02-03 Abel C. H. Chen

As the quantum computing era approaches, securing classical cryptographic protocols becomes imperative. Public key cryptography is widely used for signature and key exchange but it is the type of cryptography more threatened by quantum…

Cryptography and Security · Computer Science 2026-01-19 Grazia D'Onghia , Diana Gratiela Berbecaru , Antonio Lioy

We show that the problem of communication in a quantum computer reduces to constructing reliable quantum channels by distributing high-fidelity EPR pairs. We develop analytical models of the latency, bandwidth, error rate and resource…

Quantum Physics · Physics 2007-05-23 Nemanja Isailovic , Yatish Patel , Mark Whitney , John Kubiatowicz

Most currently used cryptographic tools for protecting data are based on certain computational assumptions, which makes them vulnerable with respect to technological and algorithmic developments, such as quantum computing. One existing…

Quantum Physics · Physics 2023-04-28 Aleksey K. Fedorov

With the proliferation of Internet of Things (IoT) devices, ensuring secure communications has become imperative. Due to their low cost and embedded nature, many of these devices operate with computational and energy constraints, neglecting…

Cryptography and Security · Computer Science 2025-06-26 José Cecílio , Alan Oliveira de Sá , André Souto

Existing microgrid communication relies on classical public key systems, which are vulnerable to attacks from quantum computers. This paper uses quantum key distribution (QKD) to solve these quantum-era microgrid challenges. Specifically,…

Cryptography and Security · Computer Science 2020-01-09 Zefan Tang , Yanyuan Qin , Zimin Jiang , Walter O. Krawec , Peng Zhang

Data privacy and authentication are two main security requirements for remote access and cloud services. While QKD has been explored to address data privacy concerns, oftentimes its use is separate from the client authentication protocol…

Quantum key distribution (QKD) via satellite links is the only currently viable solution to create quantum-backed secure communication at a global scale. To achieve intercontinental coverage with available technology one must adopt a…

Quantum Physics · Physics 2024-06-14 Gianluca De Santis , Konstantin Kravtsov , Sana Amairi-Pyka , James A. Grieve

Quantum computing is emerging as a significant threat to information protected by widely used cryptographic systems. Cryptographic methods, once deemed secure for decades, are now at risk of being compromised, posing a massive threat to the…

Ensuring secure and efficient data processing in mobile edge computing (MEC) systems is a critical challenge. While quantum key distribution (QKD) offers unconditionally secure key exchange and homomorphic encryption (HE) enables…

Social and Information Networks · Computer Science 2025-07-09 Liangxin Qian , Yang Li , Jun Zhao

Quantum key distribution (QKD) is a technique to establish a secret key between two parties through a quantum channel. Several QKD protocols have been proposed and implemented over optical fibers or free space links. The main challenge of…

Quantum Physics · Physics 2023-09-20 Mitali Sisodia , Omshankar , Vivek Venkataraman , Joyee Ghosh