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重庆邮电大学 计算机取证研究所,重庆 400065
[ "陈龙(1970-),男,重庆人,重庆邮电大学教授,主要研究方向为计算机取证、网络安全、云计算、智能信息处理等。" ]
[ "罗玉柱(1991-),男,山西霍州人,重庆邮电大学硕士生,主要研究方向为云计算安全。" ]
网络出版日期:2014-11,
纸质出版日期:2014-11-30
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陈龙, 罗玉柱. 支持动态更新的多副本持有性证明方案[J]. 通信学报, 2014,35(Z2):14-19.
Long CHEN, Yu-zhu LUO. Multi-replica provable data possession scheme supporting data dynamic updating[J]. Journal on communications, 2014, 35(Z2): 14-19.
陈龙, 罗玉柱. 支持动态更新的多副本持有性证明方案[J]. 通信学报, 2014,35(Z2):14-19. DOI: 10.3969/j.issn.1000-436x.2014.z2.003.
Long CHEN, Yu-zhu LUO. Multi-replica provable data possession scheme supporting data dynamic updating[J]. Journal on communications, 2014, 35(Z2): 14-19. DOI: 10.3969/j.issn.1000-436x.2014.z2.003.
考虑多副本数据安全和数据动态更新的应用需求,提出一个支持数据动态更新的多副本数据持有性证明方案。本方案中原数据文件采用动态认证结构进行动态更新与管理,其他多个副本采用追加日志记录的方式记录数据的动态更新,支持公开聚合验证。若原数据文件或副本数据损坏或丢失,可恢复到最新状态。由此分析了方案的安全性、通信性能、存储性能,结果表明新方案是高效的、安全的。
Considering the application demand of multiple replicas data security and data dynamic update
a multi-replica provable data possession scheme was proposed to supporting data dynamic updating.The original data file can be dynamically updated using dynamic verification structure.The other multiple-replica data files are just append with a log-record for each dynamic update operation.The multi-replica files support public auditability and batch verification.If the original data or any replica is corrupted or missing
it can be recovered to the latest status with another copy.The performances of the communication and storage as well as the security are analyzed.The results show that the scheme is efficient and secure.
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