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Authors: Sohail Rajdev 1 and Barsha Mitra 2

Affiliations: 1 Microsoft, India ; 2 Department of CSIS, BITS Pilani, Hyderabad Campus, Hyderabad, India

Keyword(s): Temporal RBAC, Temporal Role Mining, Cardinality Constraint, Minimization.

Abstract: The temporal extensions of the Role-Based Access Control (RBAC) model imposes duration constraints on the availability of roles by allowing periodic enabling and disabling of roles. For deploying these models, a set of roles having associated time constraints are required. Such type of roles are termed as temporal roles and the process of creating them is referred to as Temporal Role Mining. In many real-life scenarios, simply imposing time constraints on role availability may not be sufficient. The system administrator may need to ensure different types of constraints reflecting specific organizational policies. In this paper, we propose a cardinality constraint which restricts the maximum number of temporal roles that a user can activate in a particular time interval. We name this constraint as Temporal Role Assignment Constraint (TRAC). We formally define the problem of mining a minimal set of temporal roles in presence of TRAC as the TRAC Temporal Role Mining Problem (TRAC-TRMP) and propose an algorithm for solving it. We also present the experimental results reflecting the performance of our proposed approach. (More)

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Paper citation in several formats:
Rajdev, S. and Mitra, B. (2021). Enforcing Cardinality Constraint in Temporal RBAC. In Proceedings of the 18th International Conference on Security and Cryptography - SECRYPT; ISBN 978-989-758-524-1; ISSN 2184-7711, SciTePress, pages 639-646. DOI: 10.5220/0010501506390646

@conference{secrypt21,
author={Sohail Rajdev. and Barsha Mitra.},
title={Enforcing Cardinality Constraint in Temporal RBAC},
booktitle={Proceedings of the 18th International Conference on Security and Cryptography - SECRYPT},
year={2021},
pages={639-646},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010501506390646},
isbn={978-989-758-524-1},
issn={2184-7711},
}

TY - CONF

JO - Proceedings of the 18th International Conference on Security and Cryptography - SECRYPT
TI - Enforcing Cardinality Constraint in Temporal RBAC
SN - 978-989-758-524-1
IS - 2184-7711
AU - Rajdev, S.
AU - Mitra, B.
PY - 2021
SP - 639
EP - 646
DO - 10.5220/0010501506390646
PB - SciTePress