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Paper 2004/132
On Small Characteristic Algebraic Tori in Pairing-Based Cryptography
R. Granger and D. Page and M. Stam
Abstract
The output of the Tate pairing on an elliptic curve over a finite field may be viewed as an element of an algebraic torus. Using this simple observation, we transfer techniques recently developed for torus-based cryptography to pairing-based cryptography, resulting in more efficient computations, and lower bandwidth requirements. To illustrate the efficacy of this approach, we apply the method to pairings on supersingular elliptic curves in characteristic three.
Metadata
- Available format(s)
- PDF PS
- Publication info
- Published elsewhere. LMS Journal of Computation and Mathematics
- Keywords
- Algebraic toriPairing-based cryptography
- Contact author(s)
- granger @ cs bris ac uk
- History
- 2005-03-18: revised
- 2004-06-03: received
- See all versions
- Short URL
- https://ia.cr/2004/132
- License
-
CC BY