need project review

Ken Raeburn raeburn at MIT.EDU
Mon Apr 7 19:21:30 EDT 2008

On Apr 7, 2008, at 18:59, Henry B. Hotz wrote:
> You have two design possibilities:
> 1) keep old key around in the new keytab file and make the KDC handle
> multiple master keys.
> 2) When you write a new master key, you recode the entire database.
> This could be a very big operation, so you may want to just shut down
> the KDC for the duration.  In turn this means you are depending on
> client failover to other KDC's to maintain service availability.

#2 is incompatible with the KDC using an automatically-replicated (or  
simply shared) LDAP service for data storage, and keeping other KDCs  
running in the interim.  Unless, I suppose, you find some way to  
configure it to keep both sets of data in LDAP at the same time, and  
switch the KDCs over after converting.


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