Paper 2014/1001

Robustly Secure Two-Party Authenticated Key Exchange from Ring-LWE

Xiaopeng Yang, Wenping Ma, and Chengli Zhang

Abstract

Using the hard assumption of Ring-Decision Learning With Errors (DLWE) in the lattice, we propose a new authenticated key exchange (AKE) scheme which is based on Peikert’s reconciliation technique. Under the CK+ model, the proposed scheme is provably secure. Compared with the traditional Diffie-Hellman (DH) authenticated key exchange (AKE) schemes, the proposed scheme not only has better efficiency and stronger security but also resists quantum attacks because of the hard assumption on lattice problem. The comparisons between Ring-LWE based ones shows that the proposed scheme protects the shared session key with balanced key derivation function (KDF) compared with those current AKE schemes from LWE

Note: There exist some errors in our paper, so we want to withdraw our paper"Robustly Secure Two-Party Authenticated Key Exchange from Ring-LWE". Thank you!

Metadata
Available format(s)
-- withdrawn --
Publication info
Preprint. MINOR revision.
Keywords
CryptographyAuthenticated key exchangeLatticesLearning with errorsRobust extractor
Contact author(s)
xp_yang89xidian @ 126 com
History
2015-05-27: withdrawn
2014-12-18: received
See all versions
Short URL
https://ia.cr/2014/1001
License
Creative Commons Attribution
CC BY
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