Hidden ciphertext policy attribute-based encryption under standard assumptions

• Main Authors: PHUONG, Tran Viet Xuan, YANG, Guomin, SUSILO, Willy
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2016
• Subjects: Attribute based encryption; hidden policy; inner product encryption; Viète’s formula; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/7337; https://ink.library.smu.edu.sg/context/sis_research/article/8340/viewcontent/Hidden_Ciphertext_Policy_Attribute_Based.pdf
• Institution: Singapore Management University

We propose two new ciphertext policy attributebased encryption (CP-ABE) schemes where the access policy is defined by AND-gate with wildcard. In the first scheme, we present a new technique that uses only one group element to represent an attribute, while the existing ABE schemes of the same type ne...