Table 3 Different conditions based on \(s, \acute {d}\) and \(\hat {r}\)
From: An efficient privacy-preserving comparison protocol in smart metering systems
Condition | \(\acute {d}>\hat {r}\) | s | \(\acute {d}_{i}\) | \(\hat {r}_{i}\) | S i+1 | \({c_{i}^{E}}\) | \({c_{i}^{I}}\) |
|---|---|---|---|---|---|---|---|
1 | True | 1 | 0 | 1 | 0 | Nonzero | Nonzero |
2 | True | 1 | 1 | 0 | −2 | Nonzero | Nonzero |
3 | True | −1 | 0 | 1 | 2 | Zero | Nonzero |
4 | True | −1 | 1 | 0 | 0 | Zero | Zero |
5 | False | 1 | 0 | 1 | 0 | Zero | Zero |
6 | False | 1 | 1 | 0 | −2 | Zero | Nonzero |
7 | False | −1 | 0 | 1 | 2 | Nonzero | Nonzero |
8 | False | −1 | 1 | 0 | 0 | Nonzero | Nonzero |