Paper 2013/114

Public Key Exchange Using Matrices Over Group Rings

Delaram Kahrobaei, Charalambos Koupparis, and Vladimir Shpilrain

Abstract

We offer a public key exchange protocol in the spirit of Diffie-Hellman, but we use (small) matrices over a group ring of a (small) symmetric group as the platform. This ``nested structure" of the platform makes computation very efficient for legitimate parties. We discuss security of this scheme by addressing the Decision Diffie-Hellman (DDH) and Computational Diffie-Hellman (CDH) problems for our platform.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Keywords
public key exchange
Contact author(s)
shpil @ groups sci ccny cuny edu
History
2013-02-27: received
Short URL
https://ia.cr/2013/114
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2013/114,
      author = {Delaram Kahrobaei and Charalambos Koupparis and Vladimir Shpilrain},
      title = {Public Key Exchange Using Matrices Over Group Rings},
      howpublished = {Cryptology {ePrint} Archive, Paper 2013/114},
      year = {2013},
      url = {https://eprint.iacr.org/2013/114}
}
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