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Thread: +AFs-Mipshop+AF0- Comments on drafts of hmip sa and hmipv6 security
+AFs-Mipshop+AF0- Comments on drafts of hmip sa and hmipv6 security
user name
 2006-10-31 04:51:34 

  


  

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Jing+ADw-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
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+ADw-DIV+AD4APA-SPAN class+AD0-850244504-31102006+AD4APA-FONT face+AD1bi09T- color+AD0AIw-0000ff size+AD0-2+AD4-I guess 
that your question goes to Alper's draft.+ADw-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
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need key freshness parameter over there.+ADw-/FONT+AD4APA-/SPAN+AD4APA-/DIV+AD4-
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  +ADw-DIV+AD4-Besides the MSK problem, could you help to clarify why the HMIP-key 
  derivation +ADw-BR+AD4-does not contain any considerations on key 
  freshness.+ADw-BR+AD4APA-BR+AD4AJg-nbsp+ADsAJg-nbsp+ADsAJg-nbsp+ADs- HMIP-key +AD0- HMAC-SHA1(MSK, +ACI-HMIPv6 key 
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    Comments on drafts of hmip sa andhmipv6
security
  


  

     user name

     2006-10-31 09:00:08
  


  

    

  


  

    





 



HMIP-key is derived from “fresh”
MSK. Do we need to introduce more freshness to the computation? 



 



Alper



 



 


















From: DENG, HUI -HCHBJ
[mailto:hdenghitachi.cn] 

Sent: Tuesday, October 31, 2006
6:52 AM

To: liangjing; Mipshopietf.org

Subject: [Mipshop] RE: [Mipshop]
Comments on drafts of hmip sa andhmipv6 security






 






Hello, Jing









 









I guess that your question goes to
Alper's draft.









they may need key freshness parameter
over there.









 









-Hui









 















Besides the MSK problem, could you help to clarify why the HMIP-key
derivation 

does not contain any considerations on key freshness.



    HMIP-key = HMAC-SHA1(MSK, "HMIPv6 key derivation"
| MN-ID ; | MAP-IPaddr)  















 












  

  
  
   
     
    






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