Fine-Grained Proxy Re-encryption: Definitions and Constructions from LWE.

Yunxiao Zhou Shengli Liu Shuai Han Haibin Zhang

Published in: ASIACRYPT (6) (2023)

Keyphrases

fine grained
proxy re encryption
standard model
security model
access control
coarse grained
keyword search
public key encryption
ciphertext
public key
tightly coupled
encryption scheme
machine learning
data lineage
structured data
security analysis
keywords
metadata
database