FUNDAMENTALNAYA I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

2007, VOLUME 13, NUMBER 3, PAGES 157-164

Cryptosystems in automorphism groups of group rings of Abelian groups

S. K. Rososhek

Abstract

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We introduce a new class of public-key cryptosystems generalizing ElGamal cryptosystems to automorphism groups of group rings of abelian groups. A scheme of the basic variant of such a cryptosystem is presented and some types of attacks to it are considered.

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Last modified: June 19, 2007