Research Article
An Efficient Searchable Symmetric Encryption Scheme for Smart Grid Data
Table 4
Theoretical comparison with other typical schemes.
| Scheme | Update | Index | False-positive | Search complexity |
| SWP [3] | Easy | No | No | O(2dā
N) | Z-IDX [4] | Easy | Direct | Yes | O(2d) | SSE-1 [6] | Hard | Inverted | No | O(1) | Our scheme | Easy | Direct | No | O(2dā
n) |
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