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Paper 2014/379

Hyper-and-elliptic-curve cryptography

Daniel J. Bernstein and Tanja Lange

Abstract

This paper introduces "hyper-and-elliptic-curve cryptography", in which a single high-security group supports fast genus-2-hyperelliptic-curve formulas for variable-base-point single-scalar multiplication (e.g., Diffie--Hellman shared-secret computation) and at the same time supports fast elliptic-curve formulas for fixed-base-point scalar multiplication (e.g., key generation) and multi-scalar multiplication (e.g., signature verification).

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Published elsewhere. Eleventh Algorithmic Number Theory Symposium (archiving authorized by London Mathematical Society Journal of Computation and Mathematics)
Keywords
performanceDiffie--Hellmanelliptic curveshyperelliptic curvesWeil restrictionisogeniesScholten curvesKummer surfacesEdwards curves
Contact author(s)
authorcontact-hyperand @ box cr yp to
History
2014-05-28: received
Short URL
https://ia.cr/2014/379
License
Creative Commons Attribution
CC BY
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