SPCABS: Signature-Policy Comparable Attribute-Based Signatures

Table 9

Comparison of signature generation overhead.

Schemes	Trivial method		Our method		Percentage
	Theoretical	Example	Theoretical	Example
Maji et al. [6]					6.19%
Gu et al. [7]					7.29%
Chen et al. [11]					8.36%
Okamoto and Takashima [9]					6.47%
Okamoto and Takashima [22]					5.92%