A Privacy Preserving GroupBuying Auction and Its Extension

doi:10.13190/jbupt.201203.99.pangl

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2012, Vol. 35 ›› Issue (3): 99-102.doi: 10.13190/jbupt.201203.99.pangl

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A Privacy Preserving GroupBuying Auction and Its Extension

PANG Lei^1,2,LUO Shou-shan^1,2，GENG Tao^1,2，WANG Bai¹，XIN Yang ^1,3

1 School of Computer Science, Beijing University of Posts and Telecommunications, Beijing 100876, China;
2 National Engineering Laboratory for Disaster Backup and Recovery, Beijing University of Posts and Telecommunications, 
Beijing 100876, China; 3 Beijing SafeCode Technology Company Limited, Beijing 100082, China

Received:2011-05-11 Revised:2011-09-05 Online:2012-06-28 Published:2012-02-29

Abstract

Abstract:

To deals with the popular mechanism, groupbuying auction, a secure protocol without auctioneer in semihonest model was presented. Taking advantage of homomorphic lemma of distributed ElGamal scheme, the bidders can compute the result by themselves without disclosing own messages. The correctness and security are also analyzed. Then the protocol is extended and a basic problem in secure multiparty computation, secure zone distribution problem is proposed. At last, the application is discussed.

Key words: secure electronic auction, group-buying auction, secure multi-party computation, ElGamal

CLC Number:

TP309

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A Privacy Preserving GroupBuying Auction and Its Extension

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