Functional adaptor signatures (FAS) are a novel cryptographic primitive introduced at CCS’24 that enable privacy-preserving, …
We revisit decentralized multi-authority attribute-based encryption (MA-ABE) through the lens of fully adaptive security – the most …
In scenarios where a seller holds sensitive data x, like employee / patient records or ecological data, and a buyer seeks to obtain an …
In a Multi-Client Functional Encryption (MCFE) scheme, n clients each obtain a secret encryption key from a trusted authority. During …