1. Summary of Updates to Abbreviated Handshake
March 2009
Summary of Updates to Abbreviated Handshake
Date:
Meiyuan Zhao, Intel

2. March 2009
Abstract
This document summarizes the several changes to the Abbreviated Handshake specification
Normative text in doc.:11-09/0266r0 and corresponding comment spreadsheet in doc.:11-09/0267r0
Note: adoption of 11-09/0266r0 depends on the adoption of Mesh Peering Instance Controller (11-09/0287r0)
Meiyuan Zhao, Intel

3. Major Changes Moved AbbrHS FSM to SME (CIDs 190, 212)
March 2009
Major Changes
Moved AbbrHS FSM to SME (CIDs 190, 212)
Update PMK selection procedure (CIDs 204, 226, 1254)
Remove AKM suite selection and KDF selection (CIDs 193, 205)
Resolve AbbrHS and PLM interaction (CIDs 187, 209)
Meiyuan Zhao, Intel

4. Move AbbrHS to SME AbbrHS is for peering management and key management
March 2009
Move AbbrHS to SME
AbbrHS is for peering management and key management
Peering Management Protocol now in SME
Security associations are managed in SME
Updates
Remove unnecessary MLME primitives
Update FSM specification accordingly
CIDs: 190, 212
Meiyuan Zhao, Intel

5. Update PMK Selection Reasons Update CIDs
March 2009
Update PMK Selection
Reasons
MKD domains removed with MSA protocols
Each pair of mesh STAs should share at most one valid PMK
Text to be added to specify protocol interactions (SAE and AbbrHS) and PMKSA requirements
PMK selection using two lists is no longer a valid case
Update
Single value confirmation using Peering Open and Peering Confirm
Update FSM specification accordingly (remove MESH_ALT_KEY status code)
CIDs
204, 226, 1254
Meiyuan Zhao, Intel

6. Update AKM and KDF Selection
March 2009
Update AKM and KDF Selection
Issues
AKM should include KDF
AKMP in fact is part of PMKSA
SAE should be updated to specify how to reach agreement on AKMP
Protocol interaction between SAE and AbbrHS should be updated accordingly
Update
Remove AKM selection and KDF selection
Remove NOAKM_RJCT and NOKDF_RJCT events from FSM
CIDs
193, 205
Meiyuan Zhao, Intel

7. Update AbbrHS and PLM Interaction
March 2009
Update AbbrHS and PLM Interaction
Issue: Both protocols use Peering Management frames that cause ambiguity in protocol initiation
Update
Add a new “Mesh Peering Protocol Version” information element in all Peering Management frames
Define two values: “Peering Management Protocol” and “Abbreviated Handshake Protocol”
CIDs
187, 209
Meiyuan Zhao, Intel

8. Update FSM Specification
March 2009
Update FSM Specification
Update
Remove CNF_ACPT event from CNF_RCVD state
Add OPN_ACPT event in OPN_RCVD state
PLM should be updated too
Remove NOAKM_RJCT and NOKDF_RJCT events
Update FSM to work with Mesh Peering Instance Controller
Remove LISTEN state
Remove NOKEY_RJCT event
CIDs
165, 171, 210
Meiyuan Zhao, Intel

9. Other Changes Update GTK wrapping (CIDs 200, 202)
March 2009
Other Changes
Update GTK wrapping (CIDs 200, 202)
Add lifetime in wrapped GTK key material
Add specification on update GTK upon expiry
Remove “echo” of received GTK in Peering Confirm frame
Clean up frame processing (CIDs 189, 207)
Misc frame formating update
Remove V.5 (CIDs 217, 218, 220)
Require substantial update to reflect normative text
Served purpose of educating readers
Meiyuan Zhao, Intel