1 files changed, 72 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterCommon.c b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterCommon.c
new file mode 100644
index 00000000..2e550e64
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterCommon.c
@@ -0,0 +1,72 @@
+/** @file
+  This is BaseCrypto router support function.
+
+Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved. <BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiPei.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/Tpm2CommandLib.h>
+#include <Library/DebugLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/HashLib.h>
+#include <Protocol/Tcg2Protocol.h>
+
+typedef struct {
+  EFI_GUID  Guid;
+  UINT32    Mask;
+} TPM2_HASH_MASK;
+
+TPM2_HASH_MASK mTpm2HashMask[] = {
+  {HASH_ALGORITHM_SHA1_GUID,         HASH_ALG_SHA1},
+  {HASH_ALGORITHM_SHA256_GUID,       HASH_ALG_SHA256},
+  {HASH_ALGORITHM_SHA384_GUID,       HASH_ALG_SHA384},
+  {HASH_ALGORITHM_SHA512_GUID,       HASH_ALG_SHA512},
+  {HASH_ALGORITHM_SM3_256_GUID,      HASH_ALG_SM3_256},
+};
+
+/**
+  The function get hash mask info from algorithm.
+
+  @param HashGuid Hash Guid
+
+  @return HashMask
+**/
+UINT32
+EFIAPI
+Tpm2GetHashMaskFromAlgo (
+  IN EFI_GUID  *HashGuid
+  )
+{
+  UINTN  Index;
+  for (Index = 0; Index < sizeof(mTpm2HashMask)/sizeof(mTpm2HashMask[0]); Index++) {
+    if (CompareGuid (HashGuid, &mTpm2HashMask[Index].Guid)) {
+      return mTpm2HashMask[Index].Mask;
+    }
+  }
+  return 0;
+}
+
+/**
+  The function set digest to digest list.
+
+  @param DigestList digest list
+  @param Digest     digest data
+**/
+VOID
+EFIAPI
+Tpm2SetHashToDigestList (
+  IN OUT TPML_DIGEST_VALUES *DigestList,
+  IN TPML_DIGEST_VALUES     *Digest
+  )
+{
+  CopyMem (
+    &DigestList->digests[DigestList->count],
+    &Digest->digests[0],
+    sizeof(Digest->digests[0])
+    );
+  DigestList->count ++;
+}