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Everyday a huge amount of data is generated in Cloud Computing. The maintenance of this electronic data needs some extremely efficient services. There is a need to properly collect this data, check for its authenticity and develop proper…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-03-24 Manali Raje , Debajyoti Mukhopadhyay

Controlled sharing is fundamental to distributed systems. We consider a capability-based distributed authorization system where a client receives capabilities (access tokens) from an authorization server to access the resources of resource…

Cryptography and Security · Computer Science 2022-11-10 Adrian Shuai Li , Reihaneh Safavi-Naini , Philip W. L. Fong

Group communication implies a many-to-many communication and it goes beyond both one-to-one communication (i.e., unicast) and one-to-many communication (i.e., multicast). Unlike most user authentication protocols that authenticate a single…

Cryptography and Security · Computer Science 2013-06-07 Lein Harn , Changlu Lin

In light of the GDPR, data controllers (DC) need to allow data subjects (DS) to exercise certain data subject rights. A key requirement here is that DCs can reliably authenticate a DS. Due to a lack of clear technical specifications, this…

Cryptography and Security · Computer Science 2024-04-25 Malte Hansen , Andre Büttner

The advent of large-scale, complex computing systems has dramatically increased the difficulties of securing accesses to systems' resources. To ensure confidentiality and integrity, the exploitation of access control mechanisms has thus…

Software Engineering · Computer Science 2015-08-18 Andrea Margheri , Rosario Pugliese , Francesco Tiezzi

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

Identity and access management (I&AM) is the umbrella term for managing users and their permissions. It is required for users to access different services. These services can either be provided from their home organization, like a company…

Cryptography and Security · Computer Science 2023-01-03 Daniela Pöhn , Wolfgang Hommel

Authentication security advice is given with the goal of guiding users and organisations towards secure actions and practices. In this paper, we demonstrate that security advice can be ambiguous, contradictory and at times may not even have…

Cryptography and Security · Computer Science 2023-02-17 Hazel Murray , David Malone

Authentication forms the gateway to any secure system. Together with integrity, confidentiality and authorization it helps in preventing any sort of intrusions into the system. Up until a few years back password based authentication was the…

Cryptography and Security · Computer Science 2015-10-28 Udit Gupta

Authentication and authorization are critical security layers to protect a wide range of online systems, services and content. However, the increased prevalence of wearable and mobile devices, the expectations of a frictionless experience…

Cryptography and Security · Computer Science 2018-02-21 Tim Van hamme , Vera Rimmer , Davy Preuveneers , Wouter Joosen , Mustafa A. Mustafa , Aysajan Abidin , Enrique Argones Rúa

In the present day, the requirement of securing electronic cash flow system are increasing significantly. Todays life is so busy that spending a valuable second cost so much. In, such situation if money flow is possible swiftly by just one…

Computers and Society · Computer Science 2013-08-02 Susmita Mandal

Data security is one of the most crucial and a major challenge in the digital world. Security, privacy and integrity of data are demanded in every operation performed on internet. Whenever security of data is discussed, it is mostly in the…

Cryptography and Security · Computer Science 2012-07-04 Harshavardhan Kayarkar

Emerging technology demands reliable authentication mechanisms, particularly in interconnected systems. Current systems rely on a single moment of authentication, however continuous authentication systems assess a users identity utilizing a…

Cryptography and Security · Computer Science 2019-03-11 Rasana Manandhar , Shaya Wolf , Mike Borowczak

Current authentication methods on the Web have serious weaknesses. First, services heavily rely on the traditional password paradigm, which diminishes the end-users' security and usability. Second, the lack of attribute-based authentication…

Authentication is the act of confirming the truth of an attribute of a datum or entity. This might involve confirming the identity of a person, tracing the origins of an artefact, ensuring that a product is what it's packaging and labelling…

Cryptography and Security · Computer Science 2011-10-10 A. S. N. Chakravarthy , Penmetsa V. Krishna Raja , P. S Avadhani

Unauthorized credit inquiries are also a central entry point for identity theft, with Social Security Numbers (SSNs) being widely utilized in fraudulent cases. Traditional credit inquiry systems do not usually possess strict user…

Cryptography and Security · Computer Science 2025-05-27 Gogulakrishnan Thiyagarajan , Vinay Bist , Prabhudarshi Nayak

Security of any software can be enhanced manifolds if multiple factors for authorization and authentication are used .The main aim of this work was to design and implement an Academy Automation Software for IPS Academy which uses OpenID and…

Cryptography and Security · Computer Science 2010-03-09 Dharmendra Choukse , Umesh Kumar Singh , Deepak Sukheja , Rekha Shahapurkar

Traditional authorization policies are user-centric, in the sense that authorization is defined, ultimately, in terms of user identities. We believe that this user-centric approach is inappropriate for many applications, and that what…

Cryptography and Security · Computer Science 2014-06-20 Jason Crampton , James Sellwood

We quickly approach a "pervasive future" where pervasive computing is the norm. In this scenario, humans are surrounded by a multitude of heterogeneous devices that assist them in almost every aspect of their daily routines. The realization…

Cryptography and Security · Computer Science 2019-07-12 Artur Souza , Antônio A. F. Loureiro , Leonardo B. Oliveira

Smart card based authentication schemes are used in various fields like e-banking, e-commerce, wireless sensor networks, medical system and so on to authenticate the both remote user and the application server during the communication via…

Cryptography and Security · Computer Science 2015-02-18 Tanmoy Maitra