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  1. No Access

    Chapter and Conference Paper

    Shorter Lattice-Based Zero-Knowledge Proofs for the Correctness of a Shuffle

    In an electronic voting procedure, mixing networks are used to ensure anonymity of the casted votes. Each node of the network re-encrypts the input list of ciphertexts and randomly permutes it in a process na...

    Javier Herranz, Ramiro Martínez… in Financial Cryptography and Data Security. … (2021)

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    Chapter and Conference Paper

    Levels of Assurance and Reauthentication in Federated Environments

    This paper presents a generic proposal for improving existing IdM systems, by enabling service providers to determine whether the SSO credentials presented by a user satisfy some minimum requirements. For exam...

    Manuel Sánchez, Óscar Cánovas, Gabriel López… in Public Key Infrastructure (2008)

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    Chapter and Conference Paper

    Bootstrap** a Global SSO from Network Access Control Mechanisms

    This paper presents the details of a Single Sign On proposal which takes advantage of previously deployed authentication mechanisms. The main goal is to establish a link between authentication methods at diffe...

    Manuel Sánchez, Gabriel López, Óscar Cánovas… in Public Key Infrastructure (2007)

  4. No Access

    Chapter and Conference Paper

    An Access Control System for Multimedia Content Distribution

    Multimedia content distribution has appeared as a new growth market offered by network providers, defining resource access infrastructures able to support both wired and wireless accesses. Although these infra...

    Manuel Sánchez, Gabriel López, Óscar Cánovas, Juan A. Sánchez… in Public Key Infrastructure (2006)