Research Article

A Layered Searchable Encryption Scheme with Functional Components Independent of Encryption Methods

Algorithm 4

LSE scheme: symmetric part.
Gen : compute SSE·Gen , and output .
Enc : described in Algorithm 2.
Token :
(1) for each keyword ( ) in   do
(2)  compute SSE·Token .
(3) end for
(4) output .
Search : described in Algorithm 3.
Dec : compute SSE·Dec , and output .