Thanks,

> Or you could run trousers in verbose mode and examine the byte streams.


Good idea, I never tried that.  I'll try it, maybe I can pinpoint what's
happening.

-Tadd



On Wed, Feb 17, 2016 at 1:22 PM Ken Goldman <[email protected]> wrote:

> It does indeed look strange.
>
> On 2/12/2016 9:22 PM, Tadd Seiff wrote:
> >
> > The only way I can think to get good properties is to bypass most of the
> > stack and send the TPM_OwnerReadPubek command straight to TCSD.
>
> That's what I'd do.
>
> Or you can experiment with the utilities that I ship with my software
> TPM, which bypass Trousers completely and go directly to /dev/tpm0.
>
> Or you could use trousers, but run them through the proxy that I ship
> with my SW TPM and examine the actual byte streams.
>
> Or you could run trousers in verbose mode and examine the byte streams.
>
> > Any other ideas or thoughts on why these values are wrong?
>
> No.  Sorry.
>
> At the TPM level, there is no actual getpubek or ownerreadpubek command,
> so I can't even tell exactly what was running.  It seems unlikely that
> there would be a bug in the TPM tools at this point.
>
> The ReadPubek command (probably what's running) is often disabled, so I
> thought you might be missing an error code and dumping garbage.
> However, if the public key is correct, that's unlikely.
>
>
>
>
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