云计算中的数据隐私性保护与自我销毁云计算中的数据隐私性保护与自我销毁.pdf

计算机研究与发展 ISSN 1000．1239／CN11—1777／TP of Research JournalComputcr and Development 云计算中的数据隐私性保护与自我销毁 张逢菇 陈 进 陈海波 臧斌宇 (复旦大学并行处理研究所 上海 201203) (fzzhang@fudan．edu．cn) Lifetime and Self．DestructionOfDataintheCloud PriVacy Jin，ChenHaibo，and ZhangFengzhe，Chen ZangBinyu 20l ‘PurnfklProcessinglns￡itu沁，Ft‘dnn 203) 【hi乞埋，1ify，S^Ⅱ行g^ni AbstractData isoneofthe concernsand foronline priVacyprotection primary majorchallenges serVices，suchascloud andoutsourceddatacenter．Theconcernis seriouswiththe computing ge“ing towardscloud ()nceuserdatais usersarehard computingpracticesshifting computing． uploaded，end to thatthedatais andcanbe destructed Users guarantee protected by means． can completely any only onblindtrustontheonlineservicevendors． the ofuserdatacanbe rely However，privacy in careless ofcloud compromisedmultiplewaysincluding administrators，and operations bugs vulnerabilitiesinsidecloudinfrastructureandevenma“ciouscloudvendors．Inthisresearch。weseek to userswithaconcfeteto or data．Weutilizethe of proVide wayprotectdestroyuploaded technique trusted asthetrustedrootinthehardware the asthetrustedin computing layer，andhypervisor agent thesoftwareThetrusted is for sensitiveuserd