Authenticated Group Key Transfer Protocol Based On Top Secret Selection

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Provided by: IJTCSE
Topic: Security
Format: PDF
Key transfer protocols rely on a mutually trusted Key Generation Center (KGC) to select session keys and transport session keys to all communication entities secretly. Most often, KGC encrypts session keys under another secret key shared with each entity during registration. In this paper, the authors propose an authenticated key transfer protocol based on secret sharing scheme that KGC can broadcast group key information to all group members at once and only authorized group members can recover the group key; but unauthorized users cannot recover the group key. The confidentiality of the group key transformation protocol is secure.
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