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2 Commits

Author SHA1 Message Date
Min M Xu 05e57cc9ce SecurityPkg/HashLibTdx: Return EFI_UNSUPPORTED if it is not Tdx guest 
HashLibTdx is designed for the Tdx guest. So if is not a Tdx guest,
return EFI_UNSUPPORTED in RegisterHashInterfaceLib.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
 2022-06-16 08:08:19 +00:00
Min Xu 72c5afd0b4 Security: Add HashLibTdx 
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3853

This library provides hash service by registered hash handler in Td
guest. Currently only SHA384 is supported. After that the hash value is
extended to Td RTMR registers which is similar to TPM PCRs.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
 2022-06-03 11:41:36 +00:00