Privacy-Preserving Attribute-Based Keyword Search with Traceability and Revocation for Cloud-Assisted IoT

Table 1

Properties comparison.

Scheme	[12]	[16]	[14]	[15]	[17]	[18]	TR-HABKS	eTR-HABKS
Search	✓	✓	✓	✓	✓	✓	✓	✓
Fine-grained search control	✕	✕	✓	✓	✓	✓	✓	✓
Hidden policy	—	—	✕	✕	✕	✓	✓	✓
Resist KGA	✕	✓	✕	✕	✕	✓	✓	✓
Traceability	✕	✕	✕	✕	✕	✕	Private traceability	Public traceability
Revocation	✕	✕	✕	✓	✓	✕	✓	✓