Lightweight Fine-Grained Multiowner Search over Encrypted Data in Cloud-Edge Computing

Table 1

Function comparison.

	Multiple data owners	Policy update	Without key escrow	Searchable	Computing outsourcing
[29]	×	√	×	×	Encryption/decryption
[31]	√	×	×	Single keyword	×
[34]	×	×	√	×	×
[35]	×	×	×	Single keyword	Decryption
[36]	×	√	×	×	Encryption/decryption
Ours	√	√	√	Multiple keyword	Encryption/decryption