[ietf-enroll] Charter / mutual enrollment?

Max Pritikin pritikin at cisco.com
Wed May 7 11:48:02 EDT 2003


Getting 'trust points' configured into clients is covered in the 
introduction model (You all feel free to tell me when you give in
<grin>) and is why I started with discussions of bidirectional
introduction.

Take the sequence of events between software A, device B, and
certificate authority, C:

1) administrator uses software A to configure B to start an enrollment
with B.

2) first step of enrollment is to get C's public key (the 'trust point'
in this context) onto B. The key can be pulled directly from C but then
the admin must use A to tell B it is the right key. Alternatively user
on A can push the entire key from A to B. 

This is an example of leveraging the trust relationship between A and B
to introduce C to B. 

(The other half of the exchange is where the administrator uses A to
introduce B to C. In today's world the administrator might use a
different A (e.g. A1), but in either case they use a tool for this. In
my original email on the thread I argue that A and A1 are all tools of
the admin and can be concidered one system for the model. Implementation
is free to design as complex a tool as needed.)

	- max
 

On Tue, 2003-05-06 at 23:14, Russ Housley wrote:
> Bill:
> 
> I am quite aware of this issue.  And, in fact I am doing some work in this 
> area for a customer.
> 
> I feel that enrollment is a much larger problem that is keeping people from 
> using the security protocols that already exist.  Thus, solving the 
> enrollment problem is of paramount importance.  I would really like to get 
> this work going with the more limited scope.  If we find that the two are 
> more intertwined than expected, then it is not too difficult to extend the 
> charter.
> 
> No one has requested a BOF slot for the meeting in Vienna yet ....
> 
> Russ
> 
> At 08:33 PM 5/6/2003 -0400, Bill Sommerfeld wrote:
> >So, one missing link somewhere (perhaps here, perhaps not) is the other
> >direction -- how to get 'trust points' configured into clients
> >with minimal fuss and muss...
> >
> >We all know that compiling them into apps has Issues..
> >
> >seems like it would be best to handle both directions in the same
> >place.
> >
> >                                                 - Bill
> 
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