Escrow free attribute-based signature with self-revealability

• Main Authors: CUI, Hui, WANG, Guilin, DENG, Robert H., QIN, Baodong
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2016
• Subjects: ABS; Key extraction protocol; Revealability; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/3274
• Institution: Singapore Management University

A major limitation of attribute-based cryptographic primitives is that a curious attribute authority (AA) can simply generate a user's private key to sign or decrypt messages on behalf of this user. With this in mind, different from existing techniques for mitigating the key escrow problem by a...