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Intell. Syst. Technol."],"published-print":{"date-parts":[[2019,11,30]]},"abstract":"<jats:p>The rich cloud services in the Internet of Things create certain needs for edge computing, in which devices should be able to handle storage tasks securely, reliably, and efficiently. When processing the storage requests from edge devices, each cloud server is supposed to eliminate duplicate copies of repeating data to reduce the amount of storage space and save on bandwidth. To protect data confidentiality while supporting deduplication, some convergent-encryption-based techniques have been proposed to encrypt the data before uploading. However, all these works cannot meet two requirements while preventing brute-force attacks: (i) power-constrained edge nodes should update encryption keys efficiently when an edge node is abandoned; and (ii) the access privacy of edge nodes should be guaranteed. In this article, we propose a novel encryption scheme for secure chunk-level deduplication. Based on this scheme, we present two constructions of the secure deduplication system that support an efficient key update protocol. The key update protocol does not involve any edge node in computational tasks, so that the deduplication system can adopt an active key update strategy. Moreover, one of our constructions, which is called advance construction, can provide access privacy assurances for edge nodes. The security analysis is given in terms of the proposed threat model. The experimental analysis demonstrates that the proposed deduplication system is practical.<\/jats:p>","DOI":"10.1145\/3356468","type":"journal-article","created":{"date-parts":[[2019,10,25]],"date-time":"2019-10-25T12:36:08Z","timestamp":1572006968000},"page":"1-21","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":12,"title":["Secure Deduplication System with Active Key Update and Its Application in IoT"],"prefix":"10.1145","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0385-8793","authenticated-orcid":false,"given":"Jin","family":"Li","sequence":"first","affiliation":[{"name":"School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tong","family":"Li","sequence":"additional","affiliation":[{"name":"School of Computer Science and Cyber Engineering, Guangzhou University, Guangzhou, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zheli","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Computer and Control Engineering, Nankai University, Tianjin, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaofeng","family":"Chen","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Integrated Service Networks (ISN), Xidian University, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2019,10,25]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1007\/3-540-44448-3_42"},{"key":"e_1_2_1_2_1","unstructured":"Paul Anderson and Le Zhang. 2010. Fast and secure laptop backups with encrypted de-duplication. In LISA.  Paul Anderson and Le Zhang. 2010. Fast and secure laptop backups with encrypted de-duplication. In LISA."},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/11863908_21"},{"key":"e_1_2_1_4_1","first-page":"429","article-title":"DupLESS: Server-aided encryption for deduplicated storage","volume":"2013","author":"Bellare Mihir","year":"2013","unstructured":"Mihir Bellare , Sriram Keelveedhi , and Thomas Ristenpart . 2013 . DupLESS: Server-aided encryption for deduplicated storage . IACR Cryptology ePrint Archive 2013 (2013), 429 . Mihir Bellare, Sriram Keelveedhi, and Thomas Ristenpart. 2013. DupLESS: Server-aided encryption for deduplicated storage. 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IEEE, 160--167. Arthur Rahumed, Henry C. H. Chen, Yang Tang, Patrick P. C. Lee, and John C. S. Lui. 2011. A secure cloud backup system with assured deletion and version control. In Proceedings of the 40th International Conference on Parallel Processing Workshops (ICPPW\u201911). IEEE, 160--167."},{"key":"e_1_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-662-45472-5_8"},{"key":"e_1_2_1_25_1","volume-title":"Proceedings of the 4th ACM International Workshop on Storage Security and Survivability. ACM, 1--10","author":"Storer Mark W.","unstructured":"Mark W. Storer , Kevin Greenan , Darrell D. E. Long , and Ethan L. Miller . 2008. Secure data deduplication . In Proceedings of the 4th ACM International Workshop on Storage Security and Survivability. ACM, 1--10 . Mark W. Storer, Kevin Greenan, Darrell D. E. Long, and Ethan L. Miller. 2008. Secure data deduplication. In Proceedings of the 4th ACM International Workshop on Storage Security and Survivability. 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