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Key-Aggregate Searchable Encryption (KASE) for User Revocation in Cloud Storage

Journal: International Journal of Engineering and Techniques (Vol.2, No. 1)

Publication Date:

Authors : ;

Page : 68-70

Keywords : Cloud Computing; Encryption; Decryption; Cipher text; Data Encryption; Information Storage & Retrieval.;

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Abstract

The capability of involving the selection sharing encrypted data with different users via public cloud storage may greatly ease security concerns over not intended data leaks in the cloud. A key challenge to designing such encryption schemes to be sustainable in the efficient management of encryption keys. The desired flexibility of sharing any group of selected documents with any group of users need for something different encryption keys to be used for different documents. However, this also implies the urgent need of securely distributing to users a large number of keys for both encryption and search, and those users will have to protected from danger store the received keys, and submit an equally large number of keyword trapdoors to the cloud in order to perform search over the shared data implied need for secure communication, storage, and complexity clearly to give to someone the approach impractical. In this work a data owner only needs to distribute a single key to a user for sharing a very large number of documents, and the user only needs to submit a single trapdoor to the cloud for querying the shared documents. User Revocation is used for Key Updation. Forward Secrecy and Backward Secrecy is used

Last modified: 2018-05-16 16:11:00