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MTC KEY MANAGEMENT FOR KEY DERIVATION AT BOTH UE AND NETWORK

  • US 20150334560A1
  • Filed: 01/07/2014
  • Published: 11/19/2015
  • Est. Priority Date: 01/10/2013
  • Status: Abandoned Application
First Claim
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1. A communication system comprising:

  • an MTC-IWF (MTC (Machine-Type-Communication) Inter-Working Function); and

    a UE (User Equipment),wherein the MTC-IWF stores a master key, derives subkeys for confidentiality and integrity protection, and informs the UE about an algorithm for key derivation,wherein the UE derives, by using the algorithm, the master key and the subkeys such that the UE shares the same master key and the same subkeys with the MTC-IWF,wherein security association is established between the UE and the MTC-IWF by using the shared master key and subkeys.

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