The high level idea of enabling keyword search over re-encrypted ciphertext by re-encryption.

<p>The high level idea of enabling keyword search over re-encrypted ciphertext by re-encryption.</p

Property summary for PRES, ABE, ABPRE, ABKS in the literature and the solution in this paper.

<p>Property summary for PRES, ABE, ABPRE, ABKS in the literature and the solution in this paper.</p

System model of attribute-based access control for proxy re-encryption with keyword search.

<p>System model of attribute-based access control for proxy re-encryption with keyword search.</p

Sequence diagram for using in the application where the data owner shares his medical records with some professionals such that only authorized professionals can retrieve medical records of their interests.

<p>Sequence diagram for using in the application where the data owner shares his medical records with some professionals such that only authorized professionals can retrieve medical records of their interests.</p