Searchable and revocable multi-data owner attribute-based encryption scheme with hidden policy in cloud storage.

ABSTRACT: With the development of outsourcing data services, data security has become an urgent problem that needs to be solved. Attribute-based encryption is a valid solution to data security in cloud storage. There is no existing scheme that can guarantee the privacy of access structures and achieve attribute-based encryption with keyword search and attribute revocation. In this article, we propose a new searchable and revocable multi-data owner attribute-based encryption scheme with a hidden policy in cloud storage. In the new scheme, the same access policy is used in both the keyword index and message encryption. The advantage of keyword index with access policy is that as long as a user's attributes satisfy the access policy, the searched ciphertext can be correctly decrypted. This property imp

SUBMITTER: Wang S 

PROVIDER: S-EPMC6211670 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature