[Pki-users] Dogtag autoenrollment from an embedded Linux device

[Arshad Noor]

Have you considered using a proxy between your embedded devices
and the PKI?  With such a scheme you can pretty much do anything
you want and shield the devices and the PKI from changes to their
respective interfaces.

A solution such as this (that we deployed last year) works well
for a bio-tech firm that is embedding digital certificates into
"throw-away" consumables with embedded processors.  The proxy
machine is a PC with custom a application responsible for
provisioning certificates to the embedded devices (based on
serial number, lot #, etc.), and bridges the devices to the PKI.

Arshad Noor
StrongAuth, Inc.


Craig Zeller - SysAdmin wrote:
> We have been testing pki-ra-1.2.0-2 on Fedora 11 via SSCEP as
> a possible solution.
> 
> Our problem is that we need to be able to automatically deploy
> certificates to thousands of embedded Linux devices, each 
> equipped with a common initial shared-secret or cert. Each needs
> to be able to enroll, recover an initial individual cert based
> on the system's serial number, and renew the cert... all over
> a dial-up connection.
> 
> SSCEP seems to be falling out of the solution based on the 
> requirement for one-time PINs and manual approval of the requests.
> Although the web interface works beautifully, we can't seem
> to get SSCEP working.
> 
> We've looked at the CMCEnroll tool, but that requires Java which
> is not part of the embedded software. This is an embedded flash
> rom based system that does not have the memory available. Any
> suggestions? I'd hate to have to cave-in to those that want a
> Microsoft solution.
> 
> Craig Zeller
> <czeller at sjm.com>
> 
> 
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