Research Article

A Secure Data Sharing Scheme with Designated Server

Table 3

Functionality comparison.

ā€‰ BDOP [1].BSW [5].ZH [7].CZLZ [6].Our.

Message encryptionNONOYESYESYES
Keyword encryptionYESYESYESYESYES
Message decryptionNONOYESYESYES
PVNONONONOYES