Multi-Input Functional Encryption for Inner Products: Function-Hiding Realizations and Constructions Without Pairings

Michel Ferreira Abdalla^{a b c d e f}✉, Dario Catalano^{g h}, Dario Fiore^{i j}, Romain Gay^{a b c d e f}, Bogdan Ursu^{k l}

1. ^aDépartement informatique de l’ENS, École normale supérieure, CNRS, PSL University, 75005, Paris, France
2. ^bINRIA, Paris, France
3. ^cConstruction and Analysis of Systems for Confidentiality and Authenticity of Data and Entities
4. ^dLaboratoire d'informatique de l'école normale supérieure
5. ^eUniversité Paris sciences et lettres
6. ^fÉcole normale supérieure - Paris
7. ^gDipartimento di Matematica e Informatica, Università di Catania, Catania, Italy
8. ^hDipartimento di Matematica e Informatica
9. ⁱIMDEA Software Institute, Madrid, Spain
10. ^jInstitute IMDEA Software [Madrid]
11. ^kKIT, Karlsruhe, Germany
12. ^lKarlsruhe Institute of Technology
13. ✉Corresponding author