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Table 2 Correspondence between leaf node and attribute index

From: Ciphertext-policy attribute-based encryption with hidden sensitive policy from keyword search techniques in smart city

Leaf nodes of \(\widehat{{\mathcal {T}}_2}\) Hash value of the index of the corresponding attribute
\(y_1\) \(H_{j_1}\)
\(\vdots\) \(\vdots\)
\(y_t\) \(H_{j_t}\)
\