A critical analysis and improvement of advanced access content system drive-host authentication

Authors:
Jiayuan Sui;Douglas R. Stinson
Affiliations:
David R. Cheriton School of Computer Science, University of Waterloo, Waterloo, ON, N2L 3G1, Canada.;David R. Cheriton School of Computer Science, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
Venue:
International Journal of Applied Cryptography
Year:
2009

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Abstract

This article presents a critical analysis of the Advanced Access Content System drive-host authentication scheme. A few weaknesses are identified which could lead to various attacks on the scheme. In particular, we observe that the scheme is susceptible to unknown key-share and man-in-the-middle attacks. Modifications (based on the ISO and the SIGMA protocols) of the scheme are suggested in order to provide better security. A proof of security of the modified scheme based on the ISO protocol is also presented. The modified schemes achieve better efficiency than the original scheme.