Reference : Forward Secrecy for SPAKE2 |
Scientific congresses, symposiums and conference proceedings : Paper published in a book | |||
Engineering, computing & technology : Computer science | |||
Security, Reliability and Trust | |||
http://hdl.handle.net/10993/37390 | |||
Forward Secrecy for SPAKE2 | |
English | |
Lopez Becerra, José Miguel ![]() | |
Ostrev, Dimiter ![]() | |
Skrobot, Marjan ![]() | |
25-Oct-2018 | |
Provable Security | |
Baek, Joonsang ![]() | |
Willy, Susilo ![]() | |
Springer International Publishing | |
366-384 | |
Yes | |
International | |
978-3-030-01446-9 | |
The 12th International Conference on Provable Security | |
25-10-2018 to 28-10-2018 | |
Jeju | |
Korea | |
[en] Provable Security ; Password-Authenticated Key Exchange ; Forward Secrecy | |
[en] Currently, the Simple Password-Based Encrypted Key Exchange (SPAKE2) protocol of Abdalla and Pointcheval (CT-RSA 2005) is being considered by the IETF for standardization and integration in TLS 1.3. Although it has been proven secure in the Find-then-Guess model of Bellare, Pointcheval and Rogaway (EUROCRYPT 2000), whether it satisfies some notion of forward secrecy remains an open question.
In this work, we prove that the SPAKE2 protocol satisfies the so-called weak forward secrecy introduced by Krawczyk (CRYPTO 2005). Furthermore, we demonstrate that the incorporation of key-confirmation codes in SPAKE2 results in a protocol that provably satisfies the stronger notion of perfect forward secrecy. As forward secrecy is an explicit requirement for cipher suites supported in the TLS handshake, we believe this work could fill the gap in the literature and facilitate the adoption of SPAKE2 in the recently approved TLS 1.3. | |
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > Applied Security and Information Assurance Group (APSIA) | |
Fonds National de la Recherche - FnR | |
Researchers ; Professionals ; Students | |
http://hdl.handle.net/10993/37390 | |
FnR ; FNR8293135 > Peter Y. A. Ryan > AToMS > A Theory of Matching Sessions > 01/05/2015 > 30/04/2018 > 2014 |
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