Paper 2013/297
Improvement and Efficient Implementation of a Lattice-based Signature Scheme
Rachid El Bansarkhani and Johannes Buchmann
Abstract
Lattice-based signature schemes constitute an interesting alternative to RSA and discrete logarithm based systems which may become insecure in the future, for example due to the possibility of quantum attacks. A particularly interesting scheme in this context is the GPV signature scheme [GPV08] combined with the trapdoor construction from Micciancio and Peikert [MP12] as it admits strong security proofs and is believed to be very efficient in practice. This paper confirms this belief and shows how to improve the GPV scheme in terms of space and running time and presents an implementation of the optimized scheme. A ring variant of this scheme is also introduced which leads to a more efficient construction. Experimental results show that GPV with the new trapdoor construction is competitive to the signature schemes that are currently used in practice.
Metadata
- Available format(s)
-
PDF
- Publication info
- Published elsewhere. Selected Areas in Cryptography, 2013
- Keywords
- Lattice-Based SignaturesPracticalityImplementations
- Contact author(s)
- elbansarkhani @ cdc informatik tu-darmstadt de
- History
- 2014-11-03: last of 4 revisions
- 2013-05-25: received
- See all versions
- Short URL
- https://ia.cr/2013/297
- License
-
CC BY
BibTeX
@misc{cryptoeprint:2013/297,
author = {Rachid El Bansarkhani and Johannes Buchmann},
title = {Improvement and Efficient Implementation of a Lattice-based Signature Scheme},
howpublished = {Cryptology {ePrint} Archive, Paper 2013/297},
year = {2013},
url = {https://eprint.iacr.org/2013/297}
}
