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 encryption | NO | NO | YES | YES | YES | Keyword encryption | YES | YES | YES | YES | YES | Message decryption | NO | NO | YES | YES | YES | PV | NO | NO | NO | NO | YES |
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