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Paper 2018/270
A Brief Retrospective Look at the Cayley-Purser Public-key Cryptosystem, 19 Years Later
Douglas R. Stinson
Abstract
The purpose of this paper is to describe and analyze the Cayley-Purser algorithm, which is a public-key cryptosystem proposed by Flannery in 1999. I will present two attacks on it, one of which is apparently new. I will also examine a variant of the Cayley-Purser algorithm that was patented by Slavin in 2008, and show that it is also insecure.
Metadata
- Available format(s)
-
PDF
- Category
- Public-key cryptography
- Publication info
- Preprint. MINOR revision.
- Keywords
- cryptanalysis
- Contact author(s)
- dstinson @ uwaterloo ca
- History
- 2018-03-14: received
- Short URL
- https://ia.cr/2018/270
- License
-
CC BY
