[Freeipa-devel] GSS-Proxy <-> TPM <-> PKCS#11 (silly idea)

[Dmitri Pal]

On 03/04/2014 11:08 AM, Petr Spacek wrote:
> On 16.2.2014 13:22, Simo Sorce wrote:
>> On Fri, 2014-02-14 at 14:51 +0100, Petr Spacek wrote:
>>> Hello,
>>>
>>> I have got an silly idea to use TPM (Trusted Platform Module) as 
>>> backend for
>>> Keytab storage (via GSS-Proxy).
>>>
>>> GSS-Proxy prevents application from accessing key material, right? So
>>> GSS-Proxy could theoretically store keys in TPM and application 
>>> wouldn't
>>> notice any difference, right?
>>>
>>> We have libraries for that in Fedora already:
>>> https://admin.fedoraproject.org/pkgdb/acls/name/trousers
>>>
>>>
>>> Even sillier idea is to use TPM as a PKCS#11 module:
>>> http://trousers.sourceforge.net/pkcs11.html
>>>
>>> I have no idea what the use case could be ... :-) May be as a 
>>> "cache" for
>>> PKCS#11 module in SSSD?
>>>
>>>
>>> As I said, it is just a silly idea.
>>>
>>
>> Open a ticket in the GSS-Proxy trac :)
>
> Is it a good topic for bachelor/master thesis? We are going to send 
> list of topics for next year so we have a chance to add it.
>
> We are not going to touch this any time soon so it sounds like a good 
> idea to me.
>
I am not sure. Sounds like a lot of work with questionable results...

-- 
Thank you,
Dmitri Pal

Sr. Engineering Manager for IdM portfolio
Red Hat Inc.


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