CD-ABSE: Attribute-Based Searchable Encryption Scheme Supporting Cross-Domain Sharing on Blockchain

Table 3

Implementation process of contract.

Search contract
Input	User ID, trapdoor, DU address
Output	Ciphertext set () or ⊥
1.	While (true) do
2.	Calculate by executing ..
3.	If () then
4.	Add to
5.	Else
6.	Return ()
7.	End if
8.	Continue
9.	End while