Table 4 Encoding rules for \(K''_r\).

From: A novel quantum private query protocol and its application in private set intersection

\(k''_j\)

\(k'_j\) or \(k'_j \bigoplus 1\)

\(j \in X\)

\(k''_j=k'_j \bigoplus 1\)

\(j \notin X\)

\(k''_j=k'_j\)