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Paper 2013/114
Public Key Exchange Using Matrices Over Group Rings
Delaram Kahrobaei and 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
-
CC BY
