Research Article
HA-Med: A Blockchain-Based Solution for Sharing Medical Data with Hidden Policies and Attributes
Table 3
Comparison with related work.
| Scheme | MedSBA [12] | BC-SABE [29] | Hidden [47] | RS-HABE [28] | Ours |
| Expressiveness | AND | LSSS | AND | LSSS | AND | Hidden strategies | × | × | √ | × | √ | Auditability | √ | √ | × | × | √ | Forward secrecy | √ | × | × | √ | √ | Properties revocation | √ | √ | × | √ | √ |
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