A Survey of Research Progress and Development Tendency of Attribute-Based Encryption

Table 6

Comparison of CP-A²BE, CP-A³BE, and AFKP-ABE.

Scheme	Trace property	Trace effect	Sender hides	Assumption	Supported policy
CP-A^2BE [49]	White box	Authority, user	Null	DBDH, CDH	And
CP-A^3BE [50]	Black box	User	Policy	DBDH, D-linear	And
AFKP-ABE [52]	Black box	User	Part attributes	DBDH, D-linear	And, or, threshold