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Advances, Systems and Applications

Table 3 Computation cost

From: Verifiable attribute-based keyword search scheme over encrypted data for personal health records in cloud

 

[34]

[35]

Our

KeyGen

(2U+1)E+\(E_T\)

(f+2U+4)E+\(E_T\)+H

2UE+2E+H

OfflineEnc

–

–

2UE+2E+\(E_T\)

OnlineEnc

(2U+1)E+\(E_T\)

(2U+2f+4)E+3\(E_T\)+H

2E

OfflineTrap

–

–

2UE+2E+H

OnlineTrap

(2U+1)E+\(E_T\)

(2U+1)E

2E

Search

(2U+1)P+\(E_T\)

(2U+1)P+\(E_T\)

2UP+3P

Verify

–

3E+2P+qH

E+P

Dec

–

fE+f\(E_T\)+3P+H

0