Paper 2020/045

Pragmatic Authenticated Key Agreement for IEEE Std 802.15.6

Haibat Khan, Benjamin Dowling, and Keith M. Martin

Abstract

The IEEE Std 802.15.6 is the latest international standard for Wireless Body Area Networks (WBANs). The security of communication in this standard is based upon four elliptic-curve based key agreement protocols. These protocols have been shown to exhibit serious security vulnerabilities but surprisingly, do not provision any privacy guarantees. To date, no suitable key agreement protocol has been proposed which fulfils all the requisite objectives for IEEE Std 802.15.6. In this paper two key agreement protocols are presented which, in addition to being efficient and provisioning advance security properties, also offer the essential privacy attributes of anonymity and unlinkability. The protocols are also quantum-safe as they are independent of any public-key based operations. We develop a formal security and privacy model in an appropriate complexity-theoretic framework and prove the proposed protocols secure in this model.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Preprint. MINOR revision.
Keywords
anonymityauthenticated key agreementunlinkabilityforward security
Contact author(s)
Haibat Khan 2016 @ live rhul ac uk
History
2020-01-17: received
Short URL
https://ia.cr/2020/045
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2020/045,
      author = {Haibat Khan and Benjamin Dowling and Keith M.  Martin},
      title = {Pragmatic Authenticated Key Agreement for IEEE Std 802.15.6},
      howpublished = {Cryptology ePrint Archive, Paper 2020/045},
      year = {2020},
      note = {\url{https://eprint.iacr.org/2020/045}},
      url = {https://eprint.iacr.org/2020/045}
}
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