[SeaBIOS] [PATCH v3 4/7] tpm: Extend tpm20_extend to support extending to multiple PCR banks

[Kevin O'Connor]

On Wed, Aug 10, 2016 at 03:10:18PM -0400, Stefan Berger wrote:
> On 08/10/2016 01:22 PM, Kevin O'Connor wrote:
> > On Wed, Aug 10, 2016 at 11:17:30AM -0400, Kevin O'Connor wrote:
> > > How about the update below (which I'll squash into the appropriate
> > > patches).
> > > 
> > > -Kevin
> > > 
> > > 
> > > --- a/src/std/tcg.h
> > > +++ b/src/std/tcg.h
> > > @@ -518,6 +518,11 @@ struct tpm2_digest_values {
> > >       struct tpm2_digest_value digest[0];
> > >   } PACKED;
> > > +// Each entry in the TPM log contains: a tpm_log_header, a variable
> > > +// length digest, a tpm_log_trailer, and a variable length event.  On
> > > +// TPM1.2 the digest is a SHA1 hash; on TPM2.0 the digest contains a
> > > +// tpm2_digest_values struct followed by a variable number of
> > > +// tpm2_digest_value structs.
> > Or slightly more detailed here:
> > 
> > // Each entry in the TPM log contains: a tpm_log_header, a variable
> > // length digest, a tpm_log_trailer, and a variable length event.  The
> > // 'digest' matches what is sent to the TPM hardware via the Extend
> > // command.  On TPM1.2 the digest is a SHA1 hash; on TPM2.0 the digest
> > // contains a tpm2_digest_values struct followed by a variable number
> > // of tpm2_digest_value structs (as specified by the hardware via the
> > // TPM2_CAP_PCRS request).
> 
> Great!

Thanks - I committed this updated series.

-Kevin