Table 3 Computational cost [4] of and proposed protocol
From: A secure billing protocol over attribute-based encryption in vehicular cloud computing
Scheme phase | PBS: [4] | Proposed |
|---|---|---|
Access control on v i | (d+2)T pair+3T mul | (1+d)T mul |
Access control on RSC j | (1+I)T mul | (1+I)T mul |
Billing on v i | T pair+3T mul | T h |
Billing on RSC j | T pair+7T mul | 3T h |