2 papers
cs.CR2026
Large Universe Subset Predicate Encryption with IND-CCA Security (with Constant-size Ciphertext and Keys)
Sayantan Mukherjee
Katz et al. (CANS'17) introduced Subset Predicate Encryption (SPE). This scheme is a generalization of broadcast encryption as it emulates the \emph{subset containment} predicate i…
cs.CR2026
A Broadcast Authenticated Encryption with Keyword Search in the Standard Model: Tightly Secure in Multi-User, Multi-Challenge Settings
Sayantan Mukherjee
However, no known work considered the functionality requirement in its most realistic setting. We propose a new security definition of BAEKS in the multi-user (with adaptive corrup…