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Title:
dynamic provable data possession with batch-update verifiability
Author: Wang Junxiang ; Liu Shengli
Source: Proceedings - 2012 IEEE International Conference on Intelligent Control, Automatic Detection and High-End Equipment, ICADE 2012
Conference Name: 2012 IEEE International Conference on Intelligent Control, Automatic Detection and High-End Equipment, ICADE 2012
Conference Date: July 27, 2012 - July 29, 2012
Issued Date: 2012
Conference Place: Beijing, China
Keyword: Intelligent control ; Trees (mathematics)
Indexed Type: EI
ISBN: 9781467313322
Department: (1) Department of Computer Science and Engineering Shanghai Jiao Tong University Shanghai China; (2) State Key Laboratory of Information Security Institute of Software Chinese Academy of Sciences Beijing China
Sponsorship: IEEE Beijing Section; Beijing Institute of Graphic Communication; Beijing University of Posts and Telecommunications; Printing and Printing Equipment Industries Association of China; Beijing Association for Artificial Intelligence
Abstract: Cloud storage security has drawn more and more concerns in Cloud Computing literatures. The Provable Data Possession (PDP) model has been defined for ensuring the integrity of files on untrusted storages. Since cloud storage is practically not only used for storing static data, the Dynamic Provable Data Possession (DPDP) model has been put forward, in which model, file content can be updated while the storage server is still able to prove the integrity and freshness of the file. In existing DPDP schemes, homomorphic MAC or signature is applied to achieve blockless verification in the course of integrity checking, whereas in the course of update verification, the verification protocol has to be performed for every single block update. In this paper, we develop a batch-update verifiable DPDP mode that verifies a batch of block updates at once to achieve efficiency. We construct our scheme by developing a variant authenticated 2-3 tree to enable data dynamics and batch-update verification. We also employ a BLS-like signature to enable public verification. The simulation shows that our batched scheme achieves great performance improvement on update verification. © 2012 IEEE.
English Abstract: Cloud storage security has drawn more and more concerns in Cloud Computing literatures. The Provable Data Possession (PDP) model has been defined for ensuring the integrity of files on untrusted storages. Since cloud storage is practically not only used for storing static data, the Dynamic Provable Data Possession (DPDP) model has been put forward, in which model, file content can be updated while the storage server is still able to prove the integrity and freshness of the file. In existing DPDP schemes, homomorphic MAC or signature is applied to achieve blockless verification in the course of integrity checking, whereas in the course of update verification, the verification protocol has to be performed for every single block update. In this paper, we develop a batch-update verifiable DPDP mode that verifies a batch of block updates at once to achieve efficiency. We construct our scheme by developing a variant authenticated 2-3 tree to enable data dynamics and batch-update verification. We also employ a BLS-like signature to enable public verification. The simulation shows that our batched scheme achieves great performance improvement on update verification. © 2012 IEEE.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/15890
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Wang Junxiang,Liu Shengli. dynamic provable data possession with batch-update verifiability[C]. 见:2012 IEEE International Conference on Intelligent Control, Automatic Detection and High-End Equipment, ICADE 2012. Beijing, China. July 27, 2012 - July 29, 2012.
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