%0 Journal Article %T An improved digital watermarking scheme combining with PKC  %A SONGHang %A LUMing %A WULihe %J 重庆邮电大学学报(自然科学版) %D 2005 %X Digitalwatermarkingistheenablingtechnologytoproveownershiponsuchcopyrightedproductassoftware,documents,music,andvideo,monitortheusageofthem,andeventracethembacktotheuserwithembeddingofuniquebuyeridentification(ID)asapartofwatermarkintothem.Thisthreadofdetectionwilldeterusersfromreleasingunauthorizedcopies.Aproblemariseswhenthesellerisdishonesty,hehasachancetousethedigitalwatermarkingwiththebuyerIDmaliciouslyandmakethebuyerreceivefalseaccusation.Inthispaper,animproveddigitalwatermarkingschemeisintroducedtopreventfalseaccusationtoanhonestbuyer,whichiscombinedwiththeadvantageofPKC(publickeycertificate)sothatitfitstheonlinetransactionandhelpstorealizesecureecommerce.Inaddition,theextendedapplicationofthisschemeisdiscussed. %K watermarking %K false %K accusation %K PKC %K tamper %K resistance %K system %U http://journal.cqupt.edu.cn/jcuptnse/jcuptnse/ch/reader/view_abstract.aspx?file_no=20050230&flag=1