Table 2 Computation overhead
From: ToAM: a task-oriented authentication model for UAVs based on blockchain
Protocol | UAV | mUAV | Server | |
|---|---|---|---|---|
ToAM | Group building | 2*Cs + Cver + Csign | (Cs + Csign) * N | (Cs + CECDH + Cver * 2) * N |
Intra-group authentication | 2 * Cs * N | \ | ||
BASA | (2 * Cs + Cver + Csign) * N | (2 * Cs + Cver + Csign) * N | ||
SENTINEL | Mutual authentication and key agreement | Cs + 2 * Cver * N | 2 *(Cs + Csign + Cver) * N | |
UAVs authentication | Cs * N | Cs * N | ||