AntTech

Apr 28, 2023 · Information Security

Threshold Proxy Re‑Encryption (TPRE) with National Cryptographic Algorithms for Secure Data Sharing

The article explains how cryptographic access control, especially a hybrid‑encrypted Threshold Proxy Re‑Encryption scheme built on national SM2/SM3/SM4 algorithms, offers high‑strength, decentralized, and efficient data authorization and sharing, addressing the limitations of traditional role‑based models.