Attribute-based multi-input FE (and more) for attribute-weighted sums
Abstract Recently, Abdalla, Gong and Wee (Crypto 2020) provided the first functional
encryption scheme for attribute-weighted sums (AWS), where encryption takes as input N …
encryption scheme for attribute-weighted sums (AWS), where encryption takes as input N …
Multi-key and multi-input predicate encryption from learning with errors
We put forward two natural generalizations of predicate encryption (PE), dubbed multi-key
and multi-input PE. More in details, our contributions are threefold. Definitions. We formalize …
and multi-input PE. More in details, our contributions are threefold. Definitions. We formalize …
A Survey of Privacy Threats and Defense in Vertical Federated Learning: From Model Life Cycle Perspective
Vertical Federated Learning (VFL) is a federated learning paradigm where multiple
participants, who share the same set of samples but hold different features, jointly train …
participants, who share the same set of samples but hold different features, jointly train …
Robust Decentralized Multi-client Functional Encryption: Motivation, Definition, and Inner-Product Constructions
Abstract Decentralized Multi-Client Functional Encryption (DMCFE) is a multi-user extension
of Functional Encryption (FE) without relying on a trusted third party. However, a …
of Functional Encryption (FE) without relying on a trusted third party. However, a …
Optimal security notion for decentralized multi-client functional encryption
K Nguyen, DH Phan, D Pointcheval - International Conference on Applied …, 2023 - Springer
Abstract Research on (Decentralized) Multi-Client Functional Encryption (or (D) MCFE) is
very active, with interesting constructions, especially for the class of inner products …
very active, with interesting constructions, especially for the class of inner products …
Constant input attribute based (and predicate) encryption from evasive and tensor LWE
Constructing advanced cryptographic primitives such as obfuscation or broadcast encryption
from standard hardness assumptions in the post quantum regime is an important area of …
from standard hardness assumptions in the post quantum regime is an important area of …
Lower bounds for lattice-based compact functional encryption
Functional encryption (FE) is a primitive where the holder of a master secret key can control
which functions a user can evaluate on encrypted data. It is a powerful primitive that even …
which functions a user can evaluate on encrypted data. It is a powerful primitive that even …
Multi-key and Multi-input Predicate Encryption (for Conjunctions) from Learning with Errors
We put forward two natural generalizations of predicate encryption (PE), dubbed multi-key
and multi-input PE. More in details, our contributions are threefold. Definitions. We formalize …
and multi-input PE. More in details, our contributions are threefold. Definitions. We formalize …
Quadratic functional encryption for secure training in vertical federated learning
Vertical federated learning (VFL) enables the collaborative training of machine learning (ML)
models in settings where the data is distributed amongst multiple parties who wish to protect …
models in settings where the data is distributed amongst multiple parties who wish to protect …
Multi-client Attribute-Based and Predicate Encryption from Standard Assumptions
D Pointcheval, R Schädlich - Theory of Cryptography Conference, 2024 - Springer
Abstract Multi-input Attribute-Based Encryption (ABE) is a generalization of key-policy ABE
where attributes can be independently encrypted across several ciphertexts, and a joint …
where attributes can be independently encrypted across several ciphertexts, and a joint …