Now showing items 1-20 of 342

    • A CellBE-based HPC application for the analysis of vulnerabilities in cryptographic hash functions 

      Cilardo, Alessandro; Esposito, Luigi; Veniero, Antonio; Mazzeo, Antonino; Beltran Querol, Vicenç; Ayguadé Parra, Eduard (2010)
      Conference report
      Restricted access - publisher's policy
      After some recent breaks presented in the technical literature, it has become of paramount importance to gain a deeper understanding of the robustness and weaknesses of cryptographic hash functions. In particular, in the ...
    • A collective intelligence approach for building student's trustworthiness profile in online learning 

      Miguel, Jorge; Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Prieto, Josep; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Open Access
      Information and communication technologies have been widely adopted in most of educational institutions to support e-Learning through different learning methodologies such as computer supported collaborative learning, which ...
    • A comparison study for two fuzzy-based systems: improving reliability and security of JXTA-overlay P2P platform 

      Liu, Yi; Sakamoto, Shinji; Matsuo, Keita; Ikeda, Makoto; Barolli, Leonard; Xhafa Xhafa, Fatos (Springer, 2016-07-01)
      Article
      Open Access
      The reliability of peers is very important for safe communication in peer-to-peer (P2P) systems. The reliability of a peer can be evaluated based on the reputation and interactions with other peers to provide different ...
    • A data visualization approach for trustworthiness in social networks for on-line learning 

      Miguel, Jorge; Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Snasel, Vaclav (2015)
      Conference report
      Open Access
      Up to now, the problem of ensuring collaborative activities in e-Learning against dishonest students' behaviour has been mainly tackled with technological security solutions. Over the last years, technological security ...
    • A digital memristor emulator for FPGA-based artificial neural networks 

      Vourkas, Ioanis; Abusleme, A.; Ntinas, V.; Sirakoulis, Georgios Ch.; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      FPGAs are reconfigurable electronic platforms, well-suited to implement complex artificial neural networks (ANNs). To this end, the compact hardware (HW) implementation of artificial synapses is an important step to obtain ...
    • A la seguridad por la privacidad 

      Barceló Garcia, Miquel (2001-07)
      Article
      Open Access
    • A LINDDUN-based framework for privacy threat analysis on identification and authentication processes 

      Robles González, Antonio; Parra Arnau, Javier; Forné Muñoz, Jorge (2020)
      Article
      Restricted access - publisher's policy
      Identification and authentication (IA) are security procedures that are ubiquitous in our online life, and that constantly require disclosing personal, sensitive information to non-fully trusted service providers, or to ...
    • A low area probing detector for security IC's 

      Weiner, Michael; Manich Bou, Salvador; Sigl, Georg (2014)
      Conference report
      Restricted access - publisher's policy
      In this paper, a low cost, Low Area Probing Detector (LAPD) is presented. Probing or microprobing is an attack technique against integrated circuits implementing security functions, such as OTP tokens or smartcards. It ...
    • A massive data processing approach for effective trustworthiness in online learning groups 

      Miguel, Jorge; Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Prieto, Josep (2015-06-10)
      Article
      Open Access
      This paper proposes a trustworthiness-based approach for the design of secure learning activities in online learning groups. Although computer-supported collaborative learning has been widely adopted in many educational ...
    • A methodological approach for trustworthiness assessment and prediction in mobile online collaborative learning 

      Miguel, Jorge; Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Prieto, Josep; Barolli, Leonard (Elsevier, 2016)
      Article
      Open Access
      Trustworthiness and technological security solutions are closely related to online collaborative learning and they can be combined with the aim of reaching information security requirements for e-Learning participants and ...
    • A methodological approach to modelling trustworthiness in online collaborative learning 

      Miguel, Jorge; Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Prieto, Josep; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Open Access
      Trustworthiness and technological security solutions are closely related to online collaborative learning as they can be combined with the aim of reaching information security requirements for e-Learning participants and ...
    • A modeling of certificate revocation and its application to synthesis of revocation traces 

      Hernández Gañán, Carlos; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Hernández Serrano, Juan; Esparza Martín, Óscar; Alins Delgado, Juan José (2012)
      Article
      Restricted access - publisher's policy
      One of the hardest tasks of a public key infrastructure (PKI) is to manage revocation. New communication paradigms push the revocation system to the limit and an accurate resource assessment is necessary before implementing ...
    • A new class of codes for fingerprinting schemes 

      Fernández Muñoz, Marcel; Soriano Ibáñez, Miguel; Cotrina Navau, Josep (Springer, 2005)
      Conference report
      Restricted access - publisher's policy
      In this paper we discuss the problem of collusion secure fingerprinting. In the first part of our contribution we prove the existence of equidistant codes that can be used as fingerprinting codes. Then we show that by ...
    • A note about the traceability properties of linear codes 

      Fernández Muñoz, Marcel; Cotrina Navau, Josep; Soriano Ibáñez, Miguel; Domingo, Neus (Springer, 2007)
      Conference report
      Restricted access - publisher's policy
      We characterize the traceability properties of linear codes. It is well known that any code of length n and minimum distance d is a c-TA code if c 2¿<¿n/(n¿-¿d). In this paper, we show that a less restrictive condition can ...
    • A privacy-preserving architecture for the semantic web based on tag suppression 

      Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge (Springer, 2010)
      Conference report
      Restricted access - publisher's policy
      We propose an architecture that preserves user privacy in the semantic Web via tag suppression. In tag suppression, users may wish to tag some resources and refrain from tagging some others in order to hinder privacy ...
    • A privacy-protecting architecture for collaborative filtering via forgery and suppression of ratings 

      Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge (Springer, 2011)
      Conference report
      Restricted access - publisher's policy
      Recommendation systems are information-filtering systems that help users deal with information overload. Unfortunately, current recommendation systems prompt serious privacy concerns. In this work, we propose an architecture ...
    • A reliable system for JXTA-Overlay P2P platform considering number of authentic files, security and QoS parameters 

      Liu, Yi; Elmazi, Donald; Sakamoto, Shinji; Barolli, Leonard; Xhafa Xhafa, Fatos; Uchida, Kazunori (2015)
      Conference report
      Open Access
      The reliability of peers is very important for safe communication in Peer-to-Peer (P2P) systems. The reliability of a peer can be evaluated based on the reputation and interactions with other peers to provide different ...
    • A study of security for web applications and APIs 

      Serrats Bayo, Jaume (Universitat Politècnica de Catalunya, 2018-10)
      Bachelor thesis
      Open Access
      Estudio de las vunlerabilidades presentes en aplicaiones web
    • Adding security and privacy to genomic information representation 

      Delgado Mercè, Jaime; Llorente Viejo, Silvia; Naro, Daniel (IOS Press, 2019)
      Conference lecture
      Open Access
      Provision of security and privacy to genomic data is a key issue in current genomic information representation. Existing formats do not give a solution to these issues (or they provide a partial one), so new solutions are ...