Unlinkability

Hanaa Abbas; Omar Adel Ibrahim; Roberto Di Pietro

doi:10.1007/978-3-030-71522-9_1758

Unlinkability

Hanaa Abbas
, Omar Adel Ibrahim
, Roberto Di Pietro

HBKU College of Science and Engineering

King Abdullah University of Science and Technology

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

Unlinkability of two or more arbitrary elements (e.g., users, actions, events, messages, etc.) within a given system implies that an attacker cannot adequately distinguish whether the elements are related or not (Steinbrecher and Köpsell, 2003). When the attacker’s ability to link these elements is entirely unaffected by his a priori or a posteriori knowledge (before or after interacting with the system), the unlinkability delta is said to be zero (or sufficiently small) (Pfitzmann and Hansen, 2010). In ISO/IEC 15408-2:2008, unlinkability is defined as ensuring “that a user may make multiple uses of resources or services without others being able to link these uses together” (ISO, 2008).

Original language	English
Title of host publication	Encyclopedia of Cryptography, Security and Privacy, Third Edition
Publisher	Springer Nature
Pages	2702-2704
Number of pages	3
ISBN (Electronic)	9783030715229
ISBN (Print)	9783030715205
DOIs	https://doi.org/10.1007/978-3-030-71522-9_1758
Publication status	Published - Jan 2025

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title = "Unlinkability",

abstract = "Unlinkability of two or more arbitrary elements (e.g., users, actions, events, messages, etc.) within a given system implies that an attacker cannot adequately distinguish whether the elements are related or not (Steinbrecher and K{\"o}psell, 2003). When the attacker{\textquoteright}s ability to link these elements is entirely unaffected by his a priori or a posteriori knowledge (before or after interacting with the system), the unlinkability delta is said to be zero (or sufficiently small) (Pfitzmann and Hansen, 2010). In ISO/IEC 15408-2:2008, unlinkability is defined as ensuring {\textquotedblleft}that a user may make multiple uses of resources or services without others being able to link these uses together{\textquotedblright} (ISO, 2008).",

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AU - Abbas, Hanaa

AU - Ibrahim, Omar Adel

AU - Pietro, Roberto Di

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AB - Unlinkability of two or more arbitrary elements (e.g., users, actions, events, messages, etc.) within a given system implies that an attacker cannot adequately distinguish whether the elements are related or not (Steinbrecher and Köpsell, 2003). When the attacker’s ability to link these elements is entirely unaffected by his a priori or a posteriori knowledge (before or after interacting with the system), the unlinkability delta is said to be zero (or sufficiently small) (Pfitzmann and Hansen, 2010). In ISO/IEC 15408-2:2008, unlinkability is defined as ensuring “that a user may make multiple uses of resources or services without others being able to link these uses together” (ISO, 2008).

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SN - 9783030715205

SP - 2702

EP - 2704

BT - Encyclopedia of Cryptography, Security and Privacy, Third Edition

PB - Springer Nature

ER -

Unlinkability

Abstract

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