[edk2-devel] [RFC PATCH 5/7] SecurityPkg/TPM: Add a NULL implementation of PeiDxeTpmPlatformHierarchyLib

[Stefan Berger]

Signed-off-by: Stefan Berger <stefanb at linux.ibm.com>
---
 .../PeiDxeTpmPlatformHierarchyLib.c           | 23 +++++++++++
 .../PeiDxeTpmPlatformHierarchyLib.inf         | 39 +++++++++++++++++++
 2 files changed, 62 insertions(+)
 create mode 100644 SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
 create mode 100644 SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf

diff --git a/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
new file mode 100644
index 0000000000..e871ada230
--- /dev/null
+++ b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.c
@@ -0,0 +1,23 @@
+/** @file
+    Null TPM Platform Hierarchy configuration library.
+
+    This library provides stub functions for customizing the TPM's Platform Hierarchy
+    Authorization Value (platformAuth) and Platform Hierarchy Authorization
+    Policy (platformPolicy) can be defined through this function.
+
+    Copyright (c) 2021, IBM Corporation.
+    Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+    Copyright (c) Microsoft Corporation.<BR>
+    SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+
+VOID
+EFIAPI
+ConfigureTpmPlatformHierarchy (
+  )
+{
+  /* no nothing */
+}
diff --git a/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
new file mode 100644
index 0000000000..678f38410a
--- /dev/null
+++ b/SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
@@ -0,0 +1,39 @@
+### @file
+#
+#   TPM Platform Hierarchy configuration library.
+#
+#   This library provides functions for customizing the TPM's Platform Hierarchy
+#   Authorization Value (platformAuth) and Platform Hierarchy Authorization
+#   Policy (platformPolicy) can be defined through this function.
+#
+# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) Microsoft Corporation.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+###
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PeiDxeTpmPlatformHierarchyLibNull
+  FILE_GUID                      = 7794F92C-4E8E-4E57-9E4A-49A0764C7D73
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = TpmPlatformHierarchyLib|PEIM DXE_DRIVER
+
+[LibraryClasses]
+  BaseLib
+#  BaseMemoryLib
+#  DebugLib
+#  MemoryAllocationLib
+#  PcdLib
+#  RngLib
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  SecurityPkg/SecurityPkg.dec
+  CryptoPkg/CryptoPkg.dec
+
+[Sources]
+  PeiDxeTpmPlatformHierarchyLib.c
-- 
2.31.1



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