Table 1 In the method proposed by [9], shares cancel each other out pairwise, since s i +s N−i =0
From: Multi-resolution privacy-enhancing technologies for smart metering
j/i | 1 | 2 | 3 | … | N |
|---|---|---|---|---|---|
1 | −H(K 2,1||t) | −H(K 3,1||t) | … | −H(K N,1||t) | |
2 | +H(K 1,2||t) | −H(K 3,2||t) | … | −H(K N,2||t) | |
3 | +H(K 1,3||t) | +H(K 2,3||t) | … | −H(K N,3||t) | |
⋮ | ⋮ | ⋮ | ⋮ | \(\ddots \) | ⋮ |
N | +H(K 1,N ||t) | +H(K 2,N ||t) | +H(K 3,N ||t) | … | |
\(\sum _{j}\) | s 1,t | s 2,t | s 3,t | … | s N,t |