Improved unbounded inner-product functional encryption

Unbounded Inner-Product Functional Encryption with Succinct Keys

Unbounded inner product functional encryption from bilinear maps

Constructing Pairing Free Unbounded Inner Product Functional Encryption Schemes with Unbounded Inner Product Policy

(Fine-Grained) Unbounded Inner-Product Functional Encryption from LWE

Hierarchical Identity-Based Inner Product Functional Encryption for Unbounded Hierarchical Depth

Decentralizing Inner-Product Functional Encryption