Handover%20Key%20Hierarchy%20for%20Hierarchical%20Mobile%20IPv6%20Mobility%20Management%20(HMIPv6)

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Handover Key Hierarchy for Hierarchical Mobile
IPv6 Mobility Management (HMIPv6)

• Hui Deng
• Zhen Cao

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Problem statement

• EAP may be used to authenticate the MN to the
  network in HMIPv6
• How to re-authenticate the MN to the network when
  the MN handovers within one MAP or across
  different MAPs
• How to avoid a full EAP authentication exchange
  during each handover

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Mapping between HMIPv6 and Handover keying
architecture
ADMSK
LSAP_MK
ADMSK Access Domain Master Session Key LSAP_MK
Link Secure Association Protocol Master
Key defined in draft-nakhjiri-aaa-hokey-ps-03
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Handover within MAPpush mode
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Handover across MAPspull mode
ADMSK2
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Work Item ?

• Shall we consider handover keying to HMIPv6?

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References

• M. Nakhjiri, A Keying hierarchy for managing
  Wireless Handover security, draft-nakhjiri-hokey-
  hierarchy-02, work in progress
• M. Nakhjiri, AAA based Keying for Wireless
  Handovers Problem Statement, draft-nakhjiri-aaa-
  hokey-ps-03, work in progress