Fully Collusion Resistant Trace-and-Revoke Functional Encryption for Arbitrary Identities

ePrint Report: Fully Collusion Resistant Trace-and-Revoke Functional Encryption for Arbitrary Identities

Fucai Luo, Saif Al-Kuwari, Haiyan Wang, Xingfu Yan

Functional Encryption (FE) has been extensively studied in the recent years, mainly focusing on the feasibility of constructing FE for general functionalities, as well as some realizations for restricted functionalities of practical interest, such as inner-product. However, little consideration has been given to the issue of key leakage on FE. The property of FE that allows multiple users to obtain the …

encryption eprint report identities trace