Tightly Secure Hierarchical Identity-Based Encryption

Secure Hierarchical Identity Based Encryption Scheme in the Standard Model

A Framework for Identity-Based Encryption with Almost Tight Security

Adaptively Secure Hierarchical Identity-Based Encryption over Lattice

Identity-Based Encryption Tightly Secure Under Chosen-Ciphertext Attacks

On the Power of Hierarchical Identity-Based Encryption

Simplified Revocable Hierarchical Identity-Based Encryption from Lattices