Security issues in a group key establishment protocol

2018/03/03 by Mitchell, Chris J
#Cryptography and Security (cs.CR) #FOS: Computer and information sciences

paper · doi:10.48550/arxiv.1803.01137

Abstract

Major shortcomings in a recently published group key establishment protocol are described. These shortcomings are sufficiently serious that the protocol should not be used.

Related

• The Hsu-Harn-Mu-Zhang-Zhu group key establishment protocol is insecure
• Two closely related insecure noninteractive group key establishment schemes
• Security Weakness of Flexible Group Key Exchange with On-Demand Computation of Subgroup Keys
• Yet another insecure group key distribution scheme using secret sharing
• Provably insecure group authentication: Not all security proofs are what they claim to be