Research Article
Attribute Set-Based Boolean Keyword Search over Encrypted Personal Health Records
Table 2
Theoretical efficiency analysis and comparison between schemes.
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: evaluation of a bilinear pairing; : evaluation of a modular exponentiation in ; : evaluation of a modular exponentiation in ; : number of attributes in ; : number of sets in ; : number of attributes used in required to satisfy ; : number of all used nodes in ; : number of leaf nodes used in ; : number of keywords used in ; : number of translating nodes used in ; : number of all translating nodes on the path from each leaf node used to the root. |