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Sponsored AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI

Author

Wanbin Liu

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Open access Aug 2026

H–trace: a fine–grained access control and traceability framework for medical data sharing based on administrative hierarchies

H-Trace aligns cryptographic delegation with healthcare administrative structures through Hierarchical Ciphertext-Policy Attribute-Based Encryption (H-CP-ABE), and decouples policy enforcement from bulk data encryption using a Key Encapsulation Mechanism–Data Encapsulation Mechanism hybrid architecture.

Wanbin Liu, Ye Lu, Wenyi Chang et al. · 0 citations

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