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 encrypt...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.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.61932010)Science and Technology Project of Guangzhou City(No.201707010320).
文摘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.
