SPCABS: Signature-Policy Comparable Attribute-Based Signatures

Table 4

Comparison of master secret key sizes.

Schemes	Trivial method		Our method		Percentage
	Theoretical	Example	Theoretical	Example
Maji et al. [6]					100%
Gu et al. [7]					100%
Chen et al. [11]					100%
Okamoto and Takashima [9]					100%
Okamoto and Takashima [22]					3.47%