Re: [tboot-devel] new release of tboot and SINIT AC modules

[Jun K. <jun...@gm...>]

On 6/14/08, Cihula, Joseph <jos...@in...> wrote:
> I have just checked in a new release of the tboot project.  The changes
>  are quite significant and numerous:
>         Removed support for Technology Enabling Platform (TEP)
>         Removed support for SINIT AC module versions <16 (i.e. <=
>  20070910)
>         Updated per changes in May 2008 Intel(R) TXT MLE Developer's
>  Manual:
>             Updated to MLE (header) version 2.0
>             Updated OsSinitData, SinitMleData structs
>             Updated AC module InfoTable struct
>             Support Capabilities fields
>             Support MONITOR-based RLP wakeup
>         Added acminfo app to parse and display AC module information
>         Updated for v3 of BiosData struct
>         Reduced TPM-related serial output
>         Fixed sealing of hashes for restoring PCRs after S3 resume
>         Misc. fixes and code cleanup
>
>  The most important of the changes is that the new code no longer
>  supports either the TEP or older SINIT ACMs.  So along with the new
>  tboot code I have also posted new versions of the SINIT ACM for the
>  Intel(r) Q35 and X38 chipsets (and a guide that helps to determine which
>  one to use for a given platform).  One of these new SINITs *must* be
>  used with the new tboot code--using the previous tboot code with the new
>  SINIT or using the new tboot with the previous SINIT will both result in
>  failure of the launch.
>
>  The TXT Preliminary Architecture Specification has also been updated.
>  The content on the SMX instructions is now in the "Intel(r) 64 and IA-32
>  Architectures Software Developer's Manual" volume 2B Chapt. 6.  In place
>  of the Preliminary Architecture Spec is the "Intel(r) Trusted Execution
>  Technology Measured Launched Environment Developer's Guide", still
>  located at http://www.intel.com/technology/security/.

I cannot find the "Developer guide" at
http://www.intel.com/technology/security/. Perhaps it is not ready
yet??

Thanks for the update, Joseph.

Jun