Jiguo Li

Toward Secure and Privacy-Preserving Cloud Data Sharing: Online/Offline Multiauthority CP-ABE With Hidden Policy

2022 · IEEE Systems Journal

The continuous development of cloud storage service technology, secure access control, and privacy issues have attracted more and more attention. The previous ciphertext policy attribute-based encryption (CP-ABE) schemes with the function of hidden policy are …

Anonymous Identity Based Broadcast Encryption against Continual Side Channel Attacks in the State Partition Model

2022 · Applied Sciences

In the past 10 years, many side-channel attacks have been discovered and exploited one after another by attackers, which have greatly damaged the security of cryptographic systems. Since no existing anonymous broadcast encryption scheme can …