A Multi Way Tree for Token Based Authentication

Author

Vipin, M. ; Sarad, A.V. ; Sankar, K.

Author_Institution

AU-KBC Res. Centre, Anna Univ., Chennai

Volume

3

fYear

2008

fDate

12-14 Dec. 2008

Firstpage

1011

Lastpage

1014

Abstract

Tokens are popular in two factor authentication, where the first authentication credential is a fixed secret key s₁ associated with the user and the second authentication credential is a dynamic secret key s₂ generated by the token assigned to the user. Popular hardware tokens use a synchronized clock T along with a static secret key encoded into the token to generate a one time secret s₂. The contribution of the paper is to eliminate this clock synchronization with the authentication server S and to detect unauthorized login attempts when an intruder is in possession of s₁ or s₂ but not both, with a high degree of certainty.

Keywords

authorisation; cryptographic protocols; encoding; message authentication; private key cryptography; synchronisation; trees (mathematics); access control; authentication server; clock synchronization; dynamic secret key generation; multiway tree; static secret key encoding; token based authentication protocol; two-factor authentication credential; unauthorized login detection; Access control; Authentication; Clocks; Computer science; Cryptographic protocols; Cryptography; Hardware; Linear feedback shift registers; Software engineering; Synchronization; Access control; multi way tree; two factor authentication;

fLanguage

English

Publisher

ieee

Conference_Titel

Computer Science and Software Engineering, 2008 International Conference on

Conference_Location

Wuhan, Hubei

Print_ISBN

978-0-7695-3336-0

Type

conf

DOI

10.1109/CSSE.2008.745

Filename

4722513