The Hsu-Harn-Mu-Zhang-Zhu group key establishment protocol is insecure
classification
💻 cs.CR
keywords
groupprotocolestablishmentvulnerabilityallowsattackerchosendescribed
read the original abstract
A significant security vulnerability in a recently published group key establishment protocol is described. This vulnerability allows a malicious insider to fraudulently establish a group key with an innocent victim, with the key chosen by the attacker. This shortcoming is sufficiently serious that the protocol should not be used.
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