SPCABS: Signature-Policy Comparable Attribute-Based Signatures

Table 8

Comparison of signing key generation overhead.

Schemes	Trivial method		Our method		Percentage
	Theoretical	Example	Theoretical	Example
Maji et al. [6]					350.00%
Gu et al. [7]					300.00%
Chen et al. [11]					266.67%
Okamoto and Takashima [9]					300.00%
Okamoto and Takashima [22]					800.00%