REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2376
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Jian J Wang <jian.j.w...@intel.com>
Cc: Qi Zhang <qi1.zh...@intel.com>
Signed-off-by: Qi Zhang <qi1.zh...@intel.com>
---
SecurityPkg/Include/Library/HashLib.h | 15 ++++++
.../HashLibBaseCryptoRouterPei.c | 48 +++++++++++++++++++
2 files changed, 63 insertions(+)
diff --git a/SecurityPkg/Include/Library/HashLib.h
b/SecurityPkg/Include/Library/HashLib.h
index 6ad960ad70..e2d9a62a1d 100644
--- a/SecurityPkg/Include/Library/HashLib.h
+++ b/SecurityPkg/Include/Library/HashLib.h
@@ -47,6 +47,21 @@ HashUpdate (
IN UINTN DataToHashLen
);
+/**
+ Hash sequence complete and extend to PCR.
+
+ @param HashHandle Hash handle.
+ @param DigestList Digest list.
+
+ @retval EFI_SUCCESS Hash sequence complete and DigestList is returned.
+**/
+EFI_STATUS
+EFIAPI
+HashFinal (
+ IN HASH_HANDLE HashHandle,
+ OUT TPML_DIGEST_VALUES *DigestList
+ );
+
/**
Hash sequence complete and extend to PCR.
diff --git
a/SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterPei.c
b/SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterPei.c
index 42cb562f67..5b9719630d 100644
--- a/SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterPei.c
+++ b/SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterPei.c
@@ -208,6 +208,54 @@ HashUpdate (
return EFI_SUCCESS;
}
+/**
+ Hash sequence complete and extend to PCR.
+
+ @param HashHandle Hash handle.
+ @param DigestList Digest list.
+
+ @retval EFI_SUCCESS Hash sequence complete and DigestList is returned.
+**/
+EFI_STATUS
+EFIAPI
+HashFinal (
+ IN HASH_HANDLE HashHandle,
+ OUT TPML_DIGEST_VALUES *DigestList
+ )
+{
+ TPML_DIGEST_VALUES Digest;
+ HASH_INTERFACE_HOB *HashInterfaceHob;
+ HASH_HANDLE *HashCtx;
+ UINTN Index;
+ UINT32 HashMask;
+
+ HashInterfaceHob = InternalGetHashInterfaceHob (&gEfiCallerIdGuid);
+ if (HashInterfaceHob == NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (HashInterfaceHob->HashInterfaceCount == 0) {
+ return EFI_UNSUPPORTED;
+ }
+
+ CheckSupportedHashMaskMismatch (HashInterfaceHob);
+
+ HashCtx = (HASH_HANDLE *)HashHandle;
+ ZeroMem (DigestList, sizeof(*DigestList));
+
+ for (Index = 0; Index < HashInterfaceHob->HashInterfaceCount; Index++) {
+ HashMask = Tpm2GetHashMaskFromAlgo
(&HashInterfaceHob->HashInterface[Index].HashGuid);
+ if ((HashMask & PcdGet32 (PcdTpm2HashMask)) != 0) {
+ HashInterfaceHob->HashInterface[Index].HashFinal (HashCtx[Index],
&Digest);
+ Tpm2SetHashToDigestList (DigestList, &Digest);
+ }
+ }
+
+ FreePool (HashCtx);
+
+ return EFI_SUCCESS;
+}
+
/**
Hash sequence complete and extend to PCR.
--
2.26.2.windows.1
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