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Lookup NU author(s): Professor Feng Hao
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© Springer International Publishing Switzerland 2014. The SPEKE protocol is commonly considered one of the classic Password Authenticated Key Exchange (PAKE) schemes. It has been included in international standards (particularly, ISO/IEC 11770-4 and IEEE 1363.2) and deployed in commercial products (e.g., Blackberry). We observe that the original SPEKE specification is subtly different from those defined in the ISO/IEC 11770-4 and IEEE 1363.2 standards. We show that those differences have critical security implications by presenting two new attacks on SPEKE: an impersonation attack and a keymalleability attack. The first attack allows an attacker to impersonate a user without knowing the password by engaging in two parallel sessions with the victim. The second attack allows an attacker to manipulate the session key established between two honest users without being detected. Both attacks are applicable to the original SPEKE scheme, and are only partially addressed in the ISO/IEC 11770-4 and IEEE 1363.2 standards. We highlight deficiencies in both standards and suggest concrete changes.
Author(s): Hao F, Shahandashti SF
Editor(s): Chen L; Mitchell C
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Security Standardisation Research : First International Conference, SSR 2014
Year of Conference: 2014
Pages: 26-38
Print publication date: 25/11/2014
Acceptance date: 01/01/1900
ISSN: 0302-9743
Publisher: Springer Verlag
URL: https://doi.org/10.1007/978-3-319-14054-4_2
DOI: 10.1007/978-3-319-14054-4_2
Library holdings: Search Newcastle University Library for this item
Series Title: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
ISBN: 9783319140537
