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The Self-Sovereign Identity (SSI) paradigm is instrumental for decentralised identity management, allowing an entity to create, manage, and present their digital credentials without relying on centralised authorities. Credential selective…

Cryptography and Security · Computer Science 2026-04-14 Elia Onofri , Andrea De Salve , Paolo Mori , Laura Emilia Maria Ricci , Roberto Di Pietro

User profiling is crucial in providing personalised services, as it relies on analysing user behaviour and preferences to deliver targeted services. This approach enhances user experience and promotes heightened engagement. Nevertheless,…

Cryptography and Security · Computer Science 2025-07-07 Imdad Ullah , Najm Hassan , Tariq Ahamed Ahangar , Zawar Hussain Shah , Mehregan Mahdavi , Andrew Levula

Cloud computing is a revolutionary computing paradigm which enables flexible, on-demand and low-cost usage of computing resources. However, those advantages, ironically, are the causes of security and privacy problems, which emerge because…

Cryptography and Security · Computer Science 2015-11-23 Taeho Jung , Xiang-Yang Li , Zhiguo Wan , Meng Wan

The usage of different technologies and smart devices helps people to get medical services remotely for multiple benefits. Thus, critical and sensitive data is exchanged between a user and a doctor. When health data is transmitted over a…

Cryptography and Security · Computer Science 2021-10-20 Trupil Limbasiya , Sanjay K. Sahay , Bharath Sridharan

Digital identity is unsolved: after many years of research there is still no trusted communication over the Internet. To provide identity within the context of mutual distrust, this paper presents a blockchain-based digital identity…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-06-07 Quinten Stokkink , Johan Pouwelse

Privacy-preservation policies are guidelines formulated to protect data providers private data. Previous privacy-preservation methodologies have addressed privacy in which data are permanently stored in repositories and disconnected from…

Cryptography and Security · Computer Science 2024-08-22 Michael Mireku Kwakye

With the development of electric vehicles, more and more electric vehicles have difficulties in parking and charging. One of the reasons is that the number of charging piles is difficult to support the energy supply of electric vehicles,…

Cryptography and Security · Computer Science 2023-02-01 Zhiyu Huang

Data encryption limits the power and efficiency of queries. Direct processing of encrypted data should ideally be possible to avoid the need for data decryption, processing, and re-encryption. It is vital to keep the data searchable and…

Cryptography and Security · Computer Science 2022-10-03 Maryam Almarwani , Boris Konev , Alexei Lisitsa

This paper proposes a frictionless authentication system, provides a comprehensive security analysis of and proposes potential solutions for this system. It first presents a system that allows users to authenticate to services in a…

Cryptography and Security · Computer Science 2018-02-21 Mustafa A. Mustafa , Aysajan Abidin , Enrique Argones Rúa

Bilinear groups are often used to create Attribute-Based Encryption (ABE) algorithms. In particular, they have been used to create an ABE system with multi authorities, but limited to the ciphertext-policy instance. Here, for the first…

Cryptography and Security · Computer Science 2016-04-01 Riccardo Longo , Chiara Marcolla , Massimiliano Sala

Verifiable credentials are a digital analogue of physical credentials. Their authenticity and integrity are protected by means of cryptographic techniques, and they can be presented to verifiers to reveal attributes or even predicates about…

Cryptography and Security · Computer Science 2024-01-17 Andrea Flamini , Giada Sciarretta , Mario Scuro , Amir Sharif , Alessandro Tomasi , Silvio Ranise

The first generation of European e-passports will be issued in 2006. We discuss how borders are crossed regarding the security and privacy erosion of the proposed schemes, and show which borders need to be crossed to improve the security…

Cryptography and Security · Computer Science 2008-01-28 Jaap-Henk Hoepman , Engelbert Hubbers , Bart Jacobs , Martijn Oostdijk , Ronny Wichers Schreur

In this paper we present ZKlaims: a system that allows users to present attribute-based credentials in a privacy-preserving way. We achieve a zero-knowledge property on the basis of Succinct Non-interactive Arguments of Knowledge (SNARKs).…

Cryptography and Security · Computer Science 2019-08-21 Martin Schanzenbach , Thomas Kilian , Julian Schütte , Christian Banse

We propose and evaluate an authentication scheme that improves usability and user experience issues in the authentication process due to its reliance on people's aesthetic tastes and preferences. The scheme uses aesthetic images to verify…

Human-Computer Interaction · Computer Science 2022-04-13 Noam Tractinsky , Denis Klimov

The proliferation of connected devices through Internet connectivity presents both opportunities for smart applications and risks to security and privacy. It is vital to proactively address these concerns to fully leverage the potential of…

Cryptography and Security · Computer Science 2023-05-17 Nazatul H. Sultan , Shabnam Kasra-Kermanshahi , Yen Tran , Shangqi Lai , Vijay Varadharajan , Surya Nepal , Xun Yi

Searching for available parking spaces is a major problem for drivers especially in big crowded cities, causing traffic congestion and air pollution, and wasting drivers' time. Smart parking systems are a novel solution to enable drivers to…

Cryptography and Security · Computer Science 2021-01-28 Wesam Al Amiri , Mohamed Baza , Karim Banawan , Mohamed Mahmoud , Waleed Alasmary , Kemal Akkaya

Privacy Security of data in Cloud Storage is one of the main issues. Many Frameworks and Technologies are used to preserve data security in cloud storage. [1] Proposes a framework which includes the design of data organization structure,…

Cryptography and Security · Computer Science 2012-05-15 Rajeev Bedi , Mohit Marwaha , Tajinder Singh , Harwinder Singh , Amritpal Singh

The social demand for email end-to-end encryption is barely supported by mainstream service providers. Autocrypt is a new community-driven open specification for e-mail encryption that attempts to respond to this demand. In Autocrypt the…

Cryptography and Security · Computer Science 2018-10-15 Bogdan Kulynych , Wouter Lueks , Marios Isaakidis , George Danezis , Carmela Troncoso

Smart cities often rely on technological innovation to improve citizens' safety and quality of life. This paper presents a novel smart mobility system that aims to facilitate people accessing public mobility while preserving their privacy.…

Software Engineering · Computer Science 2021-11-22 Stefano Righini , Luca Calderoni , Dario Maio

As a popular application, mobile crowd sensing systems aim at providing more convenient service via the swarm intelligence. With the popularity of sensor-embedded smart phones and intelligent wearable devices, mobile crowd sensing is…

Cryptography and Security · Computer Science 2018-11-12 Jingwei Liu , Fanghui Cai , Longfei Wu , Rong Sun , Liehuang Zhu , Xiaojiang Du