Design of an Efficient User Authentication Protocol Using subgroup of Galois Field

정경숙

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2004, 9(2), pp.105-113
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

정경숙 ¹

¹가톨릭대학교

ABSTRACT

If the protocol has fast operations and short key length, it can be efficient user authentication protocol Lenstra and Verheul proposed XTR. XTR have short key length and fast computing speed. Therefore, this can be used usefully in complex arithmetic. In this paper, to design efficient user authentication protocol we used a subgroup of Galois Field to problem domain. Proposed protocol does not use that is existent finite field, and uses that is subgroup and solves problem. XTR-ElGamal based user authentication protocol reduced bit number that is required when exchange key by doing with upside. Also, proposed protocol provided easy calculation and execution by reducing required overhead when calculate. In this paper, we designed authentication protocol that is required to do user authentication.
KEYWORDS

XTR, 사용자 인증, 엘가말, 유한체(XTR, user authentication, ElGamal, Finite Field)
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