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List:       trousers-tech
Subject:    Re: [TrouSerS-tech] [TrouSerS-users] Transport failures with ATML
From:       Rajiv Andrade <srajiv () linux ! vnet ! ibm ! com>
Date:       2009-03-16 18:49:05
Message-ID: 49BE9F21.9000701 () linux ! vnet ! ibm ! com
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Hi Wyllys,

I've run the test and got the same here with an ATML TPM..

To submit the patches just read and, if so, be sure to have included the
Signed-offs
http://trousers.sourceforge.net/dco.text
And submit them to trousers-tech

Thanks,
Rajiv Andrade
IBM LTC Security Dev.

Wyllys Ingersoll wrote:
> I submitted the email below regarding transport session failures on 
> ATML TPMs a couple of weeks ago and got at least 1 response that
> confirmed the problem on another platform.  
> 
> Has anyone run the "transport" tests from the testsuite on a
> system with an ATML TPM and had success?
> 
> Are there any plans to update the testsuite to weed out the tests
> that are known to fail ?
> 
> Overall, the testsuite could use a lot of improvement.  Is there a
> procedure for submitting fixes and getting them integrated in a timely
> manner ?
> 
> thanks,
> Wyllys Ingersoll
> 
> 
> 
> Wyllys Ingersoll wrote:
> 
> > When running the tpm testsuite on 2 different systems (both of which
> > were activated the same way with the same owner password), many
> > of the "transport" tests fail on the ATML TPM but succeed on
> > Infineon.  Both TPMs are 1.2.
> > 
> > I'm wondering if there are additional prerequisites for the ATML TPMs
> > to be able to use transport contexts.  It apparently is looking
> > for some additional authentication that is not present or doesn't
> > match up.  I'm just puzzled because the same test pass cleanly on
> > Infineon chips.
> > 
> > As an example, the context/Tspi_Context_CloseSignTransport01 and 
> > context/Tspi_Context_CloseSignTransport04 tests both fail as follows:
> > 
> > Tspi_Context_CloseSignTransport01.c 0 FAIL : Tspi_Key_LoadKey returned (12605) \
> > TSS_E_TSP_TRANS_AUTHFAIL Tspi_Context_CloseSignTransport04.c 0 FAIL : \
> > Tspi_Key_LoadKey returned (12605) TSS_E_TSP_TRANS_AUTHFAIL 
> > Additionally - almost everything in the "transport" subdir fails with \
> > TPM_E_AUTHFAIL on with the Atmel TPM but passes with the Infineon.
> > 
> > Anyone have any ideas why or what can be done to correct this?  The test code \
> > appears to be written correctly and the fact that the same code succeeds on a \
> > different TPM suggests a bug in the TPM firmware but it's very hard to pinpoint \
> > the cause. 
> > Overall, IMO, the tpm test suite is extremely unreliable and needs quite a bit of \
> > work to get it to a reasonably stable state where it can be used on a variety of \
> > device from different manufacturers.  Does anyone actually use it or maintain it \
> > or is it just another sourceforge orphan?
> > 
> > Thanks,
> > Wyllys Ingersoll
> > 
> > 
> 
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powering Web 2.0 with engaging, cross-platform capabilities. Quickly and
easily build your RIAs with Flex Builder, the Eclipse(TM)based development
software that enables intelligent coding and step-through debugging.
Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com
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