On Wed, Jun 19, 2024 at 02:43:08PM +0800, Gary Lin wrote: > On Tue, Jun 18, 2024 at 05:41:13PM +0200, Daniel Kiper wrote: > > On Fri, Jun 14, 2024 at 02:45:43PM +0800, Gary Lin wrote: > > > From: Hernan Gatta <hega...@linux.microsoft.com> > > > > > > A Trusted Platform Module (TPM) Software Stack (TSS) provides logic to > > > compose and submit TPM commands and parse reponses. > > > > > > A limited number of TPM commands may be accessed via the EFI TCG2 > > > protocol. This protocol exposes functionality that is primarily geared > > > toward TPM usage within the context of Secure Boot. For all other TPM > > > commands, however, such as sealing and unsealing, this protocol does not > > > provide any help, with the exception of passthrough command submission. > > > > > > The SubmitCommand method allows a caller to send raw commands to the > > > system's TPM and to receive the corresponding response. These > > > command/response pairs are formatted using the TPM wire protocol. To > > > construct commands in this way, and to parse the TPM's response, it is > > > necessary to, first, possess knowledge of the various TPM structures, and, > > > second, of the TPM wire protocol itself. > > > > > > As such, this patch includes a set of header files that define the > > > necessary TPM structures and TSS functions, implementations of various > > > TPM2_* functions (inventoried below), and logic to write and read command > > > and response buffers, respectively, using the TPM wire protocol. > > > > > > Functions: TPM2_Create, TPM2_CreatePrimary, TPM2_EvictControl, > > > TPM2_FlushContext, TPM2_Load, TPM2_PCR_Read, TPM2_PolicyGetDigest, > > > TPM2_PolicyPCR, TPM2_ReadPublic, TPM2_StartAuthSession, TPM2_Unseal, > > > TPM2_LoadExternal, TPM2_Hash, TPM2_VerifySignature, > > > TPM2_PolicyAuthorize, TPM2_TestParms > > > > > > Signed-off-by: Hernan Gatta <hega...@linux.microsoft.com> > > > Signed-off-by: Gary Lin <g...@suse.com> > > > Reviewed-by: Stefan Berger <stef...@linux.ibm.com> > > > --- > > > grub-core/tpm2/buffer.c | 145 +++ > > > grub-core/tpm2/mu.c | 1168 ++++++++++++++++++++++++ > > > grub-core/tpm2/tcg2.c | 143 +++ > > > grub-core/tpm2/tpm2.c | 1048 +++++++++++++++++++++ > > > include/grub/tpm2/buffer.h | 65 ++ > > > include/grub/tpm2/internal/functions.h | 156 ++++ > > > include/grub/tpm2/internal/structs.h | 768 ++++++++++++++++ > > > include/grub/tpm2/internal/types.h | 403 ++++++++ > > > include/grub/tpm2/mu.h | 396 ++++++++ > > > include/grub/tpm2/tcg2.h | 34 + > > > include/grub/tpm2/tpm2.h | 34 + > > > 11 files changed, 4360 insertions(+) > > > create mode 100644 grub-core/tpm2/buffer.c > > > create mode 100644 grub-core/tpm2/mu.c > > > create mode 100644 grub-core/tpm2/tcg2.c > > > create mode 100644 grub-core/tpm2/tpm2.c > > > create mode 100644 include/grub/tpm2/buffer.h > > > create mode 100644 include/grub/tpm2/internal/functions.h > > > create mode 100644 include/grub/tpm2/internal/structs.h > > > create mode 100644 include/grub/tpm2/internal/types.h > > > create mode 100644 include/grub/tpm2/mu.h > > > create mode 100644 include/grub/tpm2/tcg2.h > > > create mode 100644 include/grub/tpm2/tpm2.h > > > > And I think this patch can be broken up to smaller parts... > > > Then I'll try to split the patch to 3 patches: buffer, mu/structs, and > TPM2 commands.
Makes sense for me... Daniel _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
