Efficient signature scheme based on birational permutations

Details Efficient signature scheme based on birational permutations Efficient signature scheme based on birational permutations

1993-04-19

1994-12-20

Buczinski, Stephen C.

Cryptography

Particular algorithmic function encoding

Public key

380 28, 380 44, H04K 100, H04L 900, H04C 902

Patent

active

053751701

ABSTRACT:
A birational permutation is a function f which is a one-to-one and onto mapping over k-tuples of numbers, where both f and its inverse are low degree rational functions. This patent describes a novel digital signature scheme which is based on a new class of birational permutations which have small keys and require few arithmetic operations.

REFERENCES:
patent: 4748668 (1988-05-01), Shamir et al.
patent: 4932056 (1990-06-01), Shamir
patent: 4987593 (1991-01-01), Chaum
patent: 4995082 (1991-02-01), Schnorr
patent: 5016274 (1991-05-01), Micali et al.

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