Attribute-based signatures for supporting anonymous certification

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents an anonymous certification (AC) scheme, built over an attribute based signature (ABS). After identifying properties and core building blocks of anonymous certification schemes, we identify ABS limitations to fulfill AC properties, and we propose a new system model along with a concrete mathematical construction based on standard assumptions and the random oracle model. Our solution has several advantages. First, it provides a data minimization cryptographic scheme, permitting the user to reveal only required information to any service provider. Second, it ensures unlinkability between the different authentication sessions, while preserving the anonymity of the user. Third, the derivation of certified attributes by the issuing authority relies on a non interactive protocol which provides an interesting communication overhead.

Original languageEnglish
Title of host publicationComputer Security - 21st European Symposium on Research in Computer Security, ESORICS 2016, Proceedings
EditorsSokratis Katsikas, Catherine Meadows, Ioannis Askoxylakis, Sotiris Ioannidis
PublisherSpringer Verlag
Pages279-300
Number of pages22
ISBN (Print)9783319457437
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes
Event21st European Symposium on Research in Computer Security, ESORICS 2016 - Heraklion, Greece
Duration: 26 Sept 201630 Sept 2016

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume9878 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference21st European Symposium on Research in Computer Security, ESORICS 2016
Country/TerritoryGreece
CityHeraklion
Period26/09/1630/09/16

Keywords

  • Anonymous certification
  • Attribute-based signatures
  • User privacy

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