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重庆邮电大学学报(自然科学版) 2007
An efficient electronic marketplace bidding auction protocol with bid privacyKeywords: multi,agent,marketplace,DOS,attack,time,release,RFQ Abstract: ThemultiagentnegotiationtestbedproposedbyCollinswasmodified.Itutilizespublish/subscribesystem,timereleasecryptographyandanonymouscommunication.TheproposedprotocolreducesDOSattackandavoidsreplaydataattackbyprovidingtickettokenanddealsequencenumbertothesupplier.Anditisprovedthatgeneratingrandomnumbertothesupplierbymarketisbetterthanthesupplierdoingitbyhiminguaranteeinganonymity.Marketpublishesaninterpolatingpolynomialforsharingthedeterminationprocessdata.Itavoidscollusionbetweenacustomerandacertainsupplier.Accordingtothecomparisonandanalysiswithotherprotocols,theproposedprotocolshowsgoodsecurityandbetterefficiency.
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