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Improved Double Auction Protocol based on a Hybrid Trust Model

Authors
Publisher
ACADEMY PUBLISHER
Publication Date
Keywords
  • Double Auction
  • Security
  • Trust Model

Abstract

Recently, Wang et al. proposed a set of double auction protocols with full privacy protection based on distributed ElGamal encryption. Unfortunately, their protocols are expensive in computation, and are not robust in dealing with system malfunction or user misbehavior. In this paper, we propose a secure and practical double auction protocols based on a hybrid trust model, where computation load is distributed to buyers and sellers while a semi-trusted manager handles the registration phase. A prominent feature of the proposed protocol is its high robustness, achieved by using a publicly verifiable secret sharing scheme with threshold access structure.

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