[Retracted] A Lightweight Proxy Re-Encryption Approach with Certificate-Based and Incremental Cryptography for Fog-Enabled E-Healthcare

<div>Proposed scheme architecture for secure data sharing in fog computing.</div>

Security and Communication Networks

Figure 3: [Retracted] A Lightweight Proxy Re-Encryption Approach with Certificate-Based and Incremental Cryptography for Fog-Enabled E-Healthcare 