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BS ISO/IEC 27551:2021

BS ISO/IEC 27551:2021

$167.15

Information security, cybersecurity and privacy protection. Requirements for attribute-based unlinkable entity authentication

Published By Publication Date Number of Pages
BSI 2021 44
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This document provides a framework and establishes requirements for attribute-based unlinkable entity authentication (ABUEA).

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols and abbreviated terms
5 General objectives of attribute-based entity authentication
12 6 Properties of attribute-based entity authentication protocols
6.1 Correctness
6.2 Unforgeability
6.2.1 General
6.2.2 Replay protections
7 Unlinkability properties of attribute-based entity authentication protocols
7.1 General
13 7.2 Generic definition of unlinkability
7.3 Specific definitions of unlinkability
7.3.1 General
15 7.3.2 Passive outsider unlinkability (anti-tracking from passive outsiders)
7.3.3 Active outsider unlinkability (anti-tracking from active outsiders)
7.3.4 RP-U unlinkability (“anonymous visits” to an RP)
16 7.3.5 AP-U unlinkability
7.3.6 RP+AP-U unlinkability (anti-RP-AP-collusion)
7.3.7 AP-RP unlinkability (anti-tracking of RP from AP)
7.3.8 AP-RP+U unlinkability
7.3.9 RP+RP’-U unlinkability (anti-tracking of U from a set of colluding RPs)
17 7.4 Relationships between notions of unlinkability
7.5 Unlinkability levels for attribute-based entity authentication
18 7.6 Models
8 Attributes
8.1 Categories of attributes
8.1.1 Personal attributes
8.1.2 Self-claimed attributes
8.1.3 Verified attributes
19 8.1.4 Static attributes
8.1.5 Semi-static attributes
8.1.6 Dynamic attributes
8.1.7 Computed attributes
8.1.8 Identifying attributes
8.1.9 Supporting attributes
8.2 Verified attribute expiry and revocation
8.3 Attribute assurance
9 Requirements for level N attribute-based unlinkable entity authentication
21 Annex A (informative) Formal definitions for security and unlinkability notions
27 Annex B (informative) Examples of attribute-based entity authentication protocols
34 Annex C (informative)
41 Annex D (informative) Use cases for attribute-based unlinkable entity authentication
42 Bibliography

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BS ISO/IEC 27551:2021
$167.15