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Probabilistic Quorum Protocols for Biometrical User Authentication in OLTP V. K. M u r t h y * School of I n f o r m a t i o n S y s t e m s Q u e e n s l a n d U n i v e r s i t y of T e c h n o l o g y G P O B o x 2434, B r i s b a n e Q L D 4001 AUSTRALIA e-mail: murthy@fitmail.fit.qut.edu.au Abstract A statistical zero-knowledge authentication scheme is described for security control in on-hne database transaction processing systems (OLTP). This scheme uses probabilistic quorum protocols to validate users using their biometrical characteristics (such as speech, handwriting and keyboard characteristics). This authentication scheme can be implemented using the present-day smart card technology. Introduction In recent years, security control in on-line database transaction processing systems (OLTP) including the design of user authentication schemes has been a very active area of research [6], [8], [9]. Most of the authentication schemes described in the literature use exact arithmetic based on finite fields for designing cryptographic algorithms and protocols [1], [2], [3], [4],
ACM SIGSAC Review – Association for Computing Machinery
Published: Jan 1, 1996
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