Table 2.
The list of acronyms
| Acronym | Definition |
|---|---|
| EFCB | Edge-Fog-Cloud-Blockchain |
| pp | Public parameters |
| PU | Public key |
| Pr | Private key |
| PRE | Proxy re-encryption |
| CP-APRE | Ciphertext policy attribute-based PRE |
| TTP | Trusted third party |
| KP-APRE | Key policy attribute-based PRE |
| PKG | Private key generator |
| PPRE | Puncturable PRE |
| IBE | Identity-based encryption |
| BPRE | Broadcast PRE |
| WIE | Wildcarded identity-based encryption |
| HPRE | Hybrid PRE |
| DIBE | Downgradable IBE |
| RBE | Registered-based encryption |
| BE | Broadcast encryption |
| PKA | Public key accumulator |
| BGE | Break-glass encryption |
| SXDH | Symmetric eXtended Diffie–Hellman |
| Acc | Accumulator |
| SPoF | Single point of failure |
| PKI | Public key infrastructure |
| TTP | Trusted third party |