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* SecurityPkg/HashLibTdx: Return EFI_UNSUPPORTED if it is not Tdx guestMin M Xu2022-06-161-1/+7
| | | | | | | | | | | 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>
* Security: Add HashLibTdxMin Xu2022-06-032-0/+244
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>