Research Article
Time-Enabled and Verifiable Secure Search for Blockchain-Empowered Electronic Health Record Sharing in IoT
Algorithm 3
Search smart contract construction algorithm.
| (1) | function PUT) payable public returns() | | (2) | if keyword and state do not exist then | | (3) | store states ciphertext | | (4) | else | | (5) | return | | (6) | end if | | (7) | end function | | (8) | function SEARCH() | | (9) | if keyword authorization time is larger than keyword generation time then | | (10) | execute the process of search in Phase 5 of the protocol | | (11) | return matching file index | | (12) | else | | (13) | return | | (14) | end if | | (15) | end function |
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