NDLI: An Efficient eAuction Protocol

Content Provider	IEEE Xplore Digital Library
Author	Curtis, B. Pieprzyk, J. Seruga, J.
Copyright Year	2007
Description	Author affiliation: Australian Catholic Univ. (Curtis, B.)
Abstract	A secure protocol for electronic, sealed-bid, single item auctions is presented. The protocol caters to both first and second price (Vickrey) auctions and provides full price flexibility. Both computational and communication cost are linear with the number of bidders and utilize only standard cryptographic primitives. The protocol strictly divides knowledge of the bidder's identity and their actual bids between, respectively, a registration authority and an auctioneer, who are assumed not to collude but may be separately corrupt. This assures strong bidder-anonymity, though only weak bid privacy. The protocol is structured in two phases, each involving only off-line communication. Registration, requiring the use of the public key infrastructure, is simultaneous with hash-sealed bid-commitment and generates a receipt to the bidder containing a pseudonym. This phase is followed by encrypted bid-submission. Both phases involve the registration authority acting as a communication conduit but the actual message size is quite small. It is argued that this structure guarantees non-repudiation by both the winner and the auctioneer. Second price correctness is enforced either by observing the absence of registration of the claimed second-price bid or, where registered but lower than the actual second price, is subject to cooperation by the second price bidder - presumably motivated through self-interest. The use of the registration authority in other contexts is also considered with a view to developing an architecture for efficient secure multiparty transactions
Sponsorship	ENISA Vienna Univ. of Technol. Secure Business Austria Austrian Comput. Soc
Starting Page	417
Ending Page	421
File Size	196114
Page Count	5
File Format	PDF
ISBN	0769527752
DOI	10.1109/ARES.2007.37
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-04-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Privacy Australia Council Public key Games Public key cryptography Marketing and sales Computational efficiency Security Cryptographic protocols Communication standards
Content Type	Text
Resource Type	Article

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