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Authors: Patryk Kozieł ; Łukasz Krzywiecki and Damian Stygar

Affiliation: Department of Computer Science, Faculty of Fundamental Problems of Technology, Wrocław University of Science and Technology and Poland

Keyword(s): Authentication, Bilinear Pairing, Elliptic Curve, Vehicular Ad-hoc Networks, Ephemeral Secret Setting, Ephemeral Secret Leakage.

Related Ontology Subjects/Areas/Topics: Information and Systems Security ; Network Security ; Security Protocols ; Sensor and Mobile Ad Hoc Network Security

Abstract: In this paper we propose a modification of the Identity Based Conditional Privacy-Preserving Authentication Scheme (CPPA), which is based on Schnorr Signature Scheme (SS). The applicability and the security of the scheme is mainly considered in Intelligent Transportation Systems. We discuss scenarios with subliminal malicious setting of a ephemeral secret. We present a new, stronger security model for the scheme in which we allow the adversary to choose random values used during signing process. We define the SS to be secure if the advantage of the adversary in this model is negligible. Finally we prove the security of the modified Identity Based CPPA in our stronger model.

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Paper citation in several formats:
Kozieł, P.; Krzywiecki, Ł. and Stygar, D. (2019). Identity-based Conditional Privacy-Preserving Authentication Scheme Resistant to Malicious Subliminal Setting of Ephemeral Secret. In Proceedings of the 16th International Joint Conference on e-Business and Telecommunications - SECRYPT; ISBN 978-989-758-378-0; ISSN 2184-3236, SciTePress, pages 492-497. DOI: 10.5220/0007954204920497

@conference{secrypt19,
author={Patryk Kozieł. and Łukasz Krzywiecki. and Damian Stygar.},
title={Identity-based Conditional Privacy-Preserving Authentication Scheme Resistant to Malicious Subliminal Setting of Ephemeral Secret},
booktitle={Proceedings of the 16th International Joint Conference on e-Business and Telecommunications - SECRYPT},
year={2019},
pages={492-497},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007954204920497},
isbn={978-989-758-378-0},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the 16th International Joint Conference on e-Business and Telecommunications - SECRYPT
TI - Identity-based Conditional Privacy-Preserving Authentication Scheme Resistant to Malicious Subliminal Setting of Ephemeral Secret
SN - 978-989-758-378-0
IS - 2184-3236
AU - Kozieł, P.
AU - Krzywiecki, Ł.
AU - Stygar, D.
PY - 2019
SP - 492
EP - 497
DO - 10.5220/0007954204920497
PB - SciTePress

- Science and Technology Publications, Lda.
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