Re: [TrouSerS-users] Multiple context across multiple applications issue

[Dmitri T. <dmi...@al...>]

As far as I know the whole purpose of TSS layer is to provide concurrency, so from what you describe it sounds like a bug in trousers.

Do you by any chance use Tspi_Key_UnloadKey() function in your code? If so, then I may have few ideas.

----- Original Message -----
> From: "Ceri Coburn" <cer...@gm...>
> To: "trousers-users" <tro...@li...>
> Sent: Tuesday, April 29, 2014 11:08:29 AM
> Subject: [TrouSerS-users] Multiple context across multiple applications issue
> 
> Hi All,
> 
> Are the any restrictions with running multiple applications with
> multiple contexts accessing the same key?
> 
> I have multiple applications accessing context's that are
> simultaneously loading the same keys from the persistent store.  When
> they are both running I get an error loading keys with an error
> TPM_INVALID_KEYHANDLE.   I am currently running trousers 0.3.7
> (Ubuntu
> 12.04 package) and also confirmed the same issue on Ubuntu 14.04
> (0.3.11).
> 
> It always seems the second application is the one that has problems
> loading the key.
> 
> Anyone know if this is by design or could it be cause by another
> issue?
> 
> Thanks
> 
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