Functional encryption is a novel paradigm for public-key encryption
that enables both fine-grained access control and selective
computation on encrypted data.
The goals of the ERC aSCEND project are to design
efficient and expressive functional encryption schemes.
Team
Researchers. Hoeteck Wee (PI) / Michel Abdalla / Brice Minaud
Postdocs & PhD students. Junqing Gong JAN ‘19 – FEB ‘20 / Romain Gay – MAR ‘19 / Michele Orrù – MAR ‘20
Interns. Sam Kim (Stanford) / Lucas Kowalczyk (Columbia) / Tianren Liu (MIT)
Collaborators. Zvika Brakerski (Weizmann), Vinod Vaikuntanathan (MIT), Daniel Wichs (Northeastern)
Visitors.
Melissa Chase (MSR), Jean Paul Degabriele (TU Darmstadt),
Sergey Gorbunov (Waterloo),
Yuval Ishai (Technion), Tal Malkin (Columbia),
Victor Shoup (NYU), Katsuyuki Takashima (Mitsubishi),
David Wu (UVA)
Student Visitors.
Prabhanjan Anand (UCLA), Ward Beullens (KU Leuven), Yilei Chen (BU),
Mary Maller (UCL), Naty Peter (BGU), Willy Quach (Northeastern),
Rotem Tsabary (Weizmann), Bogdan Ursu (KIT)
Publications
- CRYPTO 2020
Functional Encryption for Attribute-Weighted Sums from k-Lin
- EUROCRYPT 2020
Adaptively Secure ABE for DFA from k-Lin and More
- EUROCRYPT 2020
New Constructions of Statistical NIZKs: Dual-Mode DV-NIZKs and More
- ASIACRYPT 2019
From Single-Input to Multi-client Inner-Product Functional Encryption
- TCC 2019
Matrix PRFs: Constructions, Attacks, and Applications to Obfuscation
- CRYPTO 2019
ABE for DFA from k-Lin
- EUROCRYPT 2019
Compact Adaptively Secure ABE for NC1 from k-Lin
- EUROCRYPT 2019
Aggregate Cash Systems: A Cryptographic Investigation of Mimblewimble
- PKC 2019
Obfuscating Simple Functionalities from Knowledge Assumptions
- CCS 2018
Lattice-Based zk-SNARKs from Square Span Programs
- TCC 2018
Traitor-Tracing from LWE Made Simple and Attribute-Based
- FOCS 2018
Laconic Function Evaluation and Applications
- CRYPTO 2018
GGH15 Beyond Permutation Branching Programs: Proofs, Attacks, and Candidates.
- EUROCRYPT 2018
Unbounded ABE via Bilinear Entropy Expansion, Revisited
- EUROCRYPT 2018
Towards Breaking the Exponential Barrier for General Secret Sharing
- TCC 2017
Private Constrained PRFs (and More) from LWE
- CCS 2017
Attribute-Based Encryption in the Generic Group Model: Automated Proofs and New Constructions
- CCS 2017
Homomorphic Secret Sharing: Optimizations and Applications
- CRYPTO 2017
Conditional Disclosure of Secrets via Non-linear Reconstruction
- CRYPTO 2017
Practical Functional Encryption for Quadratic Functions with Applications to Predicate Encryption
- CRYPTO 2017
Kurosawa-Desmedt Meets Tight Security
- EUROCRYPT 2017
Multi-input Inner-Product Functional Encryption from Pairings
- CRYPTO 2016
FHE Circuit Privacy Almost for Free
- EUROCRYPT 2016
Tightly CCA-Secure Encryption Without Pairings
- CRYPTO 2015
Predicate Encryption for Circuits from LWE
- CRYPTO 2015
Structure-Preserving Signatures from Standard Assumptions, Revisited
Activities
more info
Software