n PAKE+: a tree-based group password-authenticated key exchange protocol using different passwords

• Main Authors: WAN, Zhiguo, DENG, Robert H., Bao, Feng, Preneel, Bart, GU, Ming
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2009
• Subjects: security protocol; password-authenticated key exchange; group key agreement; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/755; http://dx.doi.org/10.1007/s11390-009-9207-6
• Institution: Singapore Management University

Although two-party password-authenticated key exchange (PAKE) protocols have been intensively studied in recent years, group PAKE protocols have received little attention. In this paper, we propose a tree-based group PAKE protocol — nPAKE+ protocol under the setting where each party shares an indepe...