Abstract
To support encrypted data sharing and searching between multiple users in the remote data storage server, in 2011, Dong et al. proposed a scheme for data encryption with keyword search in multi-user (all-user) settings. The scheme allows all authorized users to share their encrypted data. The encrypted data can be searched using keyword search method by all users. The keyword search method makes the server find the encrypted data containing encrypted keywords without decrypting them, so information of both the data and the keywords is not exposed to the server. However, the scheme only considered a scenario sharing all stored data with users, and did not consider a case for storing private data in the server. In this work, we modify the Dong et al.’s scheme to propose a scheme that a user can select his private data when he wants to share them with all users in the system.
This research was supported in part by the MSIP (Ministry of Science, ICT and Future Planning), Korea, under the “IT Consilience Creative Program” (NIPA-2014-H0201-14-1001) supervised by the NIPA (National IT Industry Promotion Agency) and in part by the MSIP (Ministry of Science, ICT and Future Planning), Korea, under the ITRC (Information Technology Research Center) support program (NIPA-2014-H0301-14-1004) supervised by the NIPA (National IT Industry Promotion Agency).
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Joo, M., Lee, P.J. (2015). Shared and Searchable Encrypted Data for Semi-trusted Servers with Controllable Sharing Property. In: Rhee, KH., Yi, J. (eds) Information Security Applications. WISA 2014. Lecture Notes in Computer Science(), vol 8909. Springer, Cham. https://doi.org/10.1007/978-3-319-15087-1_18
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DOI: https://doi.org/10.1007/978-3-319-15087-1_18
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