Hierarchical functional encryption for linear transformations

• Main Authors: ZHANG, Shiwei, MU, Yi, YANG, Guomin, WANG, Xiaofen
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2017
• Subjects: Functional encryption; Hash proof system; Hierarchical; Matrix product; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/7368; https://ink.library.smu.edu.sg/context/sis_research/article/8371/viewcontent/Hierarchical_functional_encryption_for_linear_transformations.pdf
• Institution: Singapore Management University

In contrast to the conventional all-or-nothing encryption, functional encryption (FE) allows partial revelation of encrypted information based on the keys associated with different functionalities. Extending FE with key delegation ability, hierarchical functional encryption (HFE) enables a secret ke...