Paper 2024/530

An efficient key generation algorithm for GR-NTRU over dihedral group

Vikas Kumar, Indian Institute of Technology Roorkee
Ali Raya, Indian Institute of Technology Roorkee
Aditi Kar Gangopadhyay, Indian Institute of Technology Roorkee
Abstract

In this article, we focus on deriving an easily implementable and efficient method of constructing units of the group ring of dihedral group. We provide a necessary and sufficient condition that relates the units in the group ring of dihedral group with the units in the group ring of cyclic group. Using this relation and the methods available for inversion in the group ring of the cyclic group, we introduce an algorithm to construct units efficiently and check its performance experimentally.

Metadata
Available format(s)
PDF
Category
Foundations
Publication info
Preprint.
Keywords
group ringunits of group ringdihedral groupNTRUGR-NTRU
Contact author(s)
v_kumar @ ma iitr ac in
ali_r @ cs iitr ac in
aditi gangopadhyay @ ma iitr ac in
History
2024-04-06: approved
2024-04-05: received
See all versions
Short URL
https://ia.cr/2024/530
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2024/530,
      author = {Vikas Kumar and Ali Raya and Aditi Kar Gangopadhyay},
      title = {An efficient key generation algorithm for {GR}-{NTRU} over dihedral group},
      howpublished = {Cryptology {ePrint} Archive, Paper 2024/530},
      year = {2024},
      url = {https://eprint.iacr.org/2024/530}
}
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