Skip to main content

Table 3 Efficiency comparison

From: A practical application of CP-ABE for mobile PHR system: a study on the user accountability

Scheme

Encrypt cost

Decrypt cost

User accountability

Li et al. (2015)

4n + 2 Exp

4n Pair

Yes

Tian et al. (2014)

(n + 3) Exp + 1 Pair

2n Pair + n Exp

No

Ours

(2n + 2) Mul

(n + 2) Mul + (n + 1)Add

Yes