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On the importance of one-time key pairs in buyer-seller watermarking protocols

Williams, DM, Treharnea, H and Ho, ATS (2010) On the importance of one-time key pairs in buyer-seller watermarking protocols In: SECRYPT 2010, 2010-07-26 - 2010-07-28, Athens, Greece.

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Abstract

In this paper we emphasize the importance of unique certified one-time key pairs in Buyer-Seller Watermarking (BSW) protocols. We distinguish between reactive unbinding attacks, in which the seller reacts to illicit file sharing by fabricating further evidence of such activity, and pre-emptive unbinding attacks, in which the seller gains an advantage by taking action that pre-empts the file being shared. We demonstrate the importance of certified one-time key pairs in the BSW protocol by Lei et al., for protecting against pre-emptive unbinding attacks, and subsequently reveal a new attack on a recently published BSW protocol due to its omission of unique key pairs.

Item Type: Conference or Workshop Item (Paper)
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Copyright 2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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Divisions: Faculty of Engineering and Physical Sciences > Computing Science
Depositing User: Symplectic Elements
Date Deposited: 17 Jul 2012 14:58
Last Modified: 23 Sep 2013 19:25
URI: http://epubs.surrey.ac.uk/id/eprint/532113

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