Table 1.
Symbols and Descriptions.
| Symbol | Description |
|---|---|
| OBUs | Onboard Units |
| TPD | Tamper Proof Devices |
| MEC | Multi-access Edge Computing |
| OLSR | Optimize Link State Routing |
| DB | Distance Based |
| SDS | Software-Defined Security |
| IND -CCA2 | Indistinguishable Chosen Ciphertext Attack |
| EUF-CMA | Existentially Unforgeable Chosen Message Attack |
| DDHP | Disional Deffie Helleman Problem |
| SSCV2V | Secure Session Communication between V2V |
| SCSMC | Secure communication between the sub and main SDN controllers |
| PR-auth | Authority’s private key |
| IDA | Identifier of the vehicle A |
| N | Nonce |
| PUa | Public key of the vehicle |
| MPUK | Master public key |
| MPRK | Master private key |
| IDMain | ID of Main SDN controller |
| RID | RSU ID |
| VID | Vehicle ID |
| pi | Position area |
| Tsi | Timestamp |
| Ri | Random number |
| l1 | Token |
| sn-1 | Last round session key |
| Lm-1 | Last round message |
| p | Prime number |
| x | Random number |
| VPrk | Vehicle private key |
| VPuk | Vehicle public key |
| SDNmsk | SDN controller master secret key |
| RSUprk | RSU private key |