SEOT: Secure dynamic searchable encryption with outsourced ownership transfer
Jianwei LI , Xiaoming WANG , Qingqing GAN
Front. Comput. Sci. ›› 2023, Vol. 17 ›› Issue (5) : 175812
SEOT: Secure dynamic searchable encryption with outsourced ownership transfer
When one enterprise acquires another, the electronic data of the acquired enterprise will be transferred to the acquiring enterprise. In particular, if the data system of acquired enterprise contains a searchable encryption mechanism, the corresponding searchability will also be transferred. In this paper, we introduce the concept of Searchable Encryption with Ownership Transfer (SEOT), and propose a secure SEOT scheme. Based on the new structure of polling pool, our proposed searchable encryption scheme not only achieves efficient transfer of outsourced data, but also implements secure transfer of data searchability. Moreover, we optimize the storage cost for user to a desirable value. We prove our scheme can achieve the secure characteristics, then carry out the performance evaluation and experiments. The results demonstrate that our scheme is superior in efficiency and practicability.
cloud computing / ownership transfer / searchable encryption / forward secure / outsourced computation
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Higher Education Press
Supplementary files
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