Tightly Secure Hierarchical Identity-Based Encryption

Langrehr, R; Pan, JX

Langrehr, R (corresponding author), Swiss Fed Inst Technol, Zurich, Switzerland.

JOURNAL OF CRYPTOLOGY, 2020; 33 (4): 1787

Abstract

We construct the first tightly secure hierarchical identity-based encryption (HIBE) scheme based on standard assumptions, which solves an open problem......

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