Advances, Systems and Applications
Table 1 Describes the main notation in the proposed method
Notation | Meaning |
|---|---|
\(\sigma\) | Security parameter |
A | Attribute universe |
\(pk\),\(mk\) | Public and master keys |
\(sku\) | Secret key user |
\(SK\) | Private key of DR |
\(Ti\) | Block tag |
\(DP,TP\) | Data proof and tag proof |
\(AS\) | Access policy |
\(mi\) | Data block |
\(uid\) | Identity of user |
\(usk,psk\) | Private and public key of user |
\(TD\) | Trapdoor |
\(msk\) | Master secret key |
\(CT\) | Ciphertext |
\(DO\) | The data owner |
\(DU\) | The data user |
\(\omega\) | The attributes set of a specific DU |