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* [PATCH v2 0/3] Add RpmcLib and VariableKeyLib
@ 2020-03-16 15:59 Wang, Jian J
  2020-03-16 15:59 ` [PATCH v2 1/3] SecurityPkg: add RpmcLib and VariableKeyLib public headers Wang, Jian J
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Wang, Jian J @ 2020-03-16 15:59 UTC (permalink / raw)
  To: devel; +Cc: Jiewen Yao, Chao Zhang, Nishant C Mistry

> v2: change CounterIndex to CounterId in RpmcLib prototype.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594
Patch branch: https://github.com/jwang36/edk2/tree/bz2594-part1-common-interfaces-between-platform-and-edk2-v2

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Cc: Nishant C Mistry <nishant.c.mistry@intel.com>

Jian J Wang (3):
  SecurityPkg: add RpmcLib and VariableKeyLib public headers
  SecurityPkg: add null version of RpmcLib
  SecurityPkg: add null version of VariableKeyLib

 SecurityPkg/Include/Library/RpmcLib.h         | 50 ++++++++++++++
 SecurityPkg/Include/Library/VariableKeyLib.h  | 59 ++++++++++++++++
 SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c | 55 +++++++++++++++
 .../Library/RpmcLibNull/RpmcLibNull.inf       | 33 +++++++++
 .../VariableKeyLibNull/VariableKeyLibNull.c   | 67 +++++++++++++++++++
 .../VariableKeyLibNull/VariableKeyLibNull.inf | 33 +++++++++
 SecurityPkg/SecurityPkg.dec                   |  8 +++
 SecurityPkg/SecurityPkg.dsc                   |  8 +++
 8 files changed, 313 insertions(+)
 create mode 100644 SecurityPkg/Include/Library/RpmcLib.h
 create mode 100644 SecurityPkg/Include/Library/VariableKeyLib.h
 create mode 100644 SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
 create mode 100644 SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf
 create mode 100644 SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.c
 create mode 100644 SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.inf

-- 
2.24.0.windows.2


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH v2 1/3] SecurityPkg: add RpmcLib and VariableKeyLib public headers
  2020-03-16 15:59 [PATCH v2 0/3] Add RpmcLib and VariableKeyLib Wang, Jian J
@ 2020-03-16 15:59 ` Wang, Jian J
  2020-03-16 15:59 ` [PATCH v2 2/3] SecurityPkg: add null version of RpmcLib Wang, Jian J
  2020-03-16 15:59 ` [PATCH v2 3/3] SecurityPkg: add null version of VariableKeyLib Wang, Jian J
  2 siblings, 0 replies; 4+ messages in thread
From: Wang, Jian J @ 2020-03-16 15:59 UTC (permalink / raw)
  To: devel; +Cc: Jiewen Yao, Chao Zhang, Nishant C Mistry

> v2: change CounterIndex to CounterId

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594

RpmcLib.h and VariableKeyLib.h are header files required to access RPMC
device and Key generator from platform. They will be used to ensure the
integrity and confidentiality of NV variables.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Cc: Nishant C Mistry <nishant.c.mistry@intel.com>
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
---
 SecurityPkg/Include/Library/RpmcLib.h        | 50 +++++++++++++++++
 SecurityPkg/Include/Library/VariableKeyLib.h | 59 ++++++++++++++++++++
 SecurityPkg/SecurityPkg.dec                  |  8 +++
 3 files changed, 117 insertions(+)
 create mode 100644 SecurityPkg/Include/Library/RpmcLib.h
 create mode 100644 SecurityPkg/Include/Library/VariableKeyLib.h

diff --git a/SecurityPkg/Include/Library/RpmcLib.h b/SecurityPkg/Include/Library/RpmcLib.h
new file mode 100644
index 0000000000..bc25a0307b
--- /dev/null
+++ b/SecurityPkg/Include/Library/RpmcLib.h
@@ -0,0 +1,50 @@
+/** @file
+  Public definitions for the Replay Protected Monotonic Counter (RPMC) Library.
+
+Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _RPMC_LIB_H_
+#define _RPMC_LIB_H_
+
+#include <Uefi/UefiBaseType.h>
+
+/**
+  Requests the current monotonic counter from the designated RPMC counter.
+
+  @param[in]    CounterId               Monotonic Counter Id.
+  @param[out]   CounterValue            A pointer to a buffer to store the RPMC value.
+
+  @retval       EFI_SUCCESS             The operation completed successfully.
+  @retval       EFI_INVALID_PARAMETER   The CounterValue pointer is is NULL or CounterId is invalid.
+  @retval       EFI_NOT_READY           The given RPMC at CounterId is not yet initialized.
+  @retval       EFI_DEVICE_ERROR        A device error occurred while attempting to update the counter.
+  @retval       EFI_UNSUPPORTED         Requesting the monotonic counter is not supported in the current boot configuration.
+**/
+EFI_STATUS
+EFIAPI
+RequestMonotonicCounter (
+  IN  UINT8   CounterId,
+  OUT UINT32  *CounterValue
+  );
+
+/**
+  Increments the designated monotonic counter in the SPI flash device by 1.
+
+  @param[in]    CounterId              Monotonic Counter Id.
+
+  @retval       EFI_SUCCESS             The operation completed successfully.
+  @retval       EFI_INVALID_PARAMETER   The given CounterId value is invalid.
+  @retval       EFI_NOT_READY           The given RPMC at CounterId is not yet initialized.
+  @retval       EFI_DEVICE_ERROR        A device error occurred while attempting to update the counter.
+  @retval       EFI_UNSUPPORTED         Incrementing the monotonic counter is not supported in the current boot configuration.
+**/
+EFI_STATUS
+EFIAPI
+IncrementMonotonicCounter (
+  IN  UINT8   CounterId
+  );
+
+#endif
\ No newline at end of file
diff --git a/SecurityPkg/Include/Library/VariableKeyLib.h b/SecurityPkg/Include/Library/VariableKeyLib.h
new file mode 100644
index 0000000000..fe642b3d66
--- /dev/null
+++ b/SecurityPkg/Include/Library/VariableKeyLib.h
@@ -0,0 +1,59 @@
+/** @file
+  Public definitions for Variable Key Library.
+
+Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _VARIABLE_KEY_LIB_H_
+#define _VARIABLE_KEY_LIB_H_
+
+#include <Uefi/UefiBaseType.h>
+
+/**
+  Retrieves the variable root key.
+
+  @param[out]     VariableRootKey         A pointer to pointer for the variable root key buffer.
+  @param[in,out]  VariableRootKeySize     The size in bytes of the variable root key.
+
+  @retval       EFI_SUCCESS             The variable root key was returned.
+  @retval       EFI_DEVICE_ERROR        An error occurred while attempting to get the variable root key.
+  @retval       EFI_ACCESS_DENIED       The function was invoked after locking the key interface.
+  @retval       EFI_UNSUPPORTED         The variable root key is not supported in the current boot configuration.
+**/
+EFI_STATUS
+EFIAPI
+GetVariableRootKey (
+      OUT VOID    **VariableRootKey,
+  IN  OUT UINTN   *VariableRootKeySize
+  );
+
+/**
+  Regenerates the variable root key.
+
+  @retval       EFI_SUCCESS             The variable root key was regenerated successfully.
+  @retval       EFI_DEVICE_ERROR        An error occurred while attempting to regenerate the root key.
+  @retval       EFI_ACCESS_DENIED       The function was invoked after locking the key interface.
+  @retval       EFI_UNSUPPORTED         Key regeneration is not supported in the current boot configuration.
+**/
+EFI_STATUS
+EFIAPI
+RegenerateKey (
+  VOID
+  );
+
+/**
+  Locks the regenerate key interface.
+
+  @retval       EFI_SUCCESS             The key interface was locked successfully.
+  @retval       EFI_UNSUPPORTED         Locking the key interface is not supported in the current boot configuration.
+  @retval       Others                  An error occurred while attempting to lock the key interface.
+**/
+EFI_STATUS
+EFIAPI
+LockKeyInterface (
+  VOID
+  );
+
+#endif
\ No newline at end of file
diff --git a/SecurityPkg/SecurityPkg.dec b/SecurityPkg/SecurityPkg.dec
index 5335cc5397..2cdfb02cc5 100644
--- a/SecurityPkg/SecurityPkg.dec
+++ b/SecurityPkg/SecurityPkg.dec
@@ -76,6 +76,14 @@
   #
   TcgStorageOpalLib|Include/Library/TcgStorageOpalLib.h
 
+  ## @libraryclass  Provides interfaces to access RPMC device.
+  #
+  RpmcLib|Include/Library/RpmcLib.h
+
+  ## @libraryclass  Provides interfaces to access variable root key.
+  #
+  VariableKeyLib|Include/Library/VariableKeyLib.h
+
 [Guids]
   ## Security package token space guid.
   # Include/Guid/SecurityPkgTokenSpace.h
-- 
2.24.0.windows.2


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH v2 2/3] SecurityPkg: add null version of RpmcLib
  2020-03-16 15:59 [PATCH v2 0/3] Add RpmcLib and VariableKeyLib Wang, Jian J
  2020-03-16 15:59 ` [PATCH v2 1/3] SecurityPkg: add RpmcLib and VariableKeyLib public headers Wang, Jian J
@ 2020-03-16 15:59 ` Wang, Jian J
  2020-03-16 15:59 ` [PATCH v2 3/3] SecurityPkg: add null version of VariableKeyLib Wang, Jian J
  2 siblings, 0 replies; 4+ messages in thread
From: Wang, Jian J @ 2020-03-16 15:59 UTC (permalink / raw)
  To: devel; +Cc: Jiewen Yao, Chao Zhang, Nishant C Mistry

> v2: change CounterIndex to CounterId

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594

Add null version of RpmcLib instance. The full version should be provided
by platform which supports RPMC device.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Cc: Nishant C Mistry <nishant.c.mistry@intel.com>
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
---
 SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c | 55 +++++++++++++++++++
 .../Library/RpmcLibNull/RpmcLibNull.inf       | 33 +++++++++++
 SecurityPkg/SecurityPkg.dsc                   |  6 ++
 3 files changed, 94 insertions(+)
 create mode 100644 SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
 create mode 100644 SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf

diff --git a/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
new file mode 100644
index 0000000000..90352817bb
--- /dev/null
+++ b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.c
@@ -0,0 +1,55 @@
+/** @file
+  NULL RpmcLib instance for build purpose.
+
+Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/DebugLib.h>
+#include <Library/RpmcLib.h>
+
+/**
+  Requests the current monotonic counter from the designated RPMC counter.
+
+  @param[in]    CounterId               Monotonic Counter Id.
+  @param[out]   CounterValue            A pointer to a buffer to store the RPMC value.
+
+  @retval       EFI_SUCCESS             The operation completed successfully.
+  @retval       EFI_INVALID_PARAMETER   The CounterValue pointer is NULL or CounterId is invalid.
+  @retval       EFI_NOT_READY           The given RPMC at CounterId is not yet initialized.
+  @retval       EFI_DEVICE_ERROR        A device error occurred while attempting to update the counter.
+  @retval       EFI_UNSUPPORTED         Requesting the monotonic counter is not supported in the current boot configuration.
+**/
+EFI_STATUS
+EFIAPI
+RequestMonotonicCounter (
+  IN  UINT8   CounterId,
+  OUT UINT32  *CounterValue
+  )
+{
+  ASSERT (FALSE);
+  return EFI_UNSUPPORTED;
+}
+
+/**
+  Increments the designated monotonic counter in the SPI flash device by 1.
+
+  @param[in]    CounterId               Monotonic Counter Id.
+
+  @retval       EFI_SUCCESS             The operation completed successfully.
+  @retval       EFI_INVALID_PARAMETER   The given CounterId value is invalid.
+  @retval       EFI_NOT_READY           The given RPMC at CounterId is not yet initialized.
+  @retval       EFI_DEVICE_ERROR        A device error occurred while attempting to update the counter.
+  @retval       EFI_UNSUPPORTED         Incrementing the monotonic counter is not supported in the current boot configuration.
+**/
+EFI_STATUS
+EFIAPI
+IncrementMonotonicCounter (
+  IN  UINT8   CounterId
+  )
+{
+  ASSERT (FALSE);
+  return EFI_UNSUPPORTED;
+}
+
diff --git a/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf
new file mode 100644
index 0000000000..500edfa87d
--- /dev/null
+++ b/SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf
@@ -0,0 +1,33 @@
+## @file
+#  Provides Null version of RpmcLib for build purpose.
+#
+#  Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010029
+  BASE_NAME                      = RpmcLibNull
+  FILE_GUID                      = FAE0BA22-92E2-4334-8F0F-96AFF9BAE360
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = RpmcLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 Arm AArch64
+#
+
+[Sources]
+  RpmcLibNull.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  SecurityPkg/SecurityPkg.dec
+
+[LibraryClasses]
+  BaseLib
+  DebugLib
+
diff --git a/SecurityPkg/SecurityPkg.dsc b/SecurityPkg/SecurityPkg.dsc
index a2eeadda7a..97e0e7ed6e 100644
--- a/SecurityPkg/SecurityPkg.dsc
+++ b/SecurityPkg/SecurityPkg.dsc
@@ -64,6 +64,7 @@
   TcgStorageCoreLib|SecurityPkg/Library/TcgStorageCoreLib/TcgStorageCoreLib.inf
   TcgStorageOpalLib|SecurityPkg/Library/TcgStorageOpalLib/TcgStorageOpalLib.inf
   ResetSystemLib|MdeModulePkg/Library/BaseResetSystemLibNull/BaseResetSystemLibNull.inf
+  RpmcLib|SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf
 
 [LibraryClasses.ARM]
   #
@@ -217,6 +218,11 @@
   SecurityPkg/Library/TcgStorageCoreLib/TcgStorageCoreLib.inf
   SecurityPkg/Library/TcgStorageOpalLib/TcgStorageOpalLib.inf
 
+  #
+  # Variable Confidentiality & Integrity
+  #
+  SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf
+
   #
   # Other
   #
-- 
2.24.0.windows.2


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH v2 3/3] SecurityPkg: add null version of VariableKeyLib
  2020-03-16 15:59 [PATCH v2 0/3] Add RpmcLib and VariableKeyLib Wang, Jian J
  2020-03-16 15:59 ` [PATCH v2 1/3] SecurityPkg: add RpmcLib and VariableKeyLib public headers Wang, Jian J
  2020-03-16 15:59 ` [PATCH v2 2/3] SecurityPkg: add null version of RpmcLib Wang, Jian J
@ 2020-03-16 15:59 ` Wang, Jian J
  2 siblings, 0 replies; 4+ messages in thread
From: Wang, Jian J @ 2020-03-16 15:59 UTC (permalink / raw)
  To: devel; +Cc: Jiewen Yao, Chao Zhang, Nishant C Mistry

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594

Add null version of VariableKeyLib instance. The full version should be
provided by platforms which supports key generator.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Cc: Nishant C Mistry <nishant.c.mistry@intel.com>
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
---
 .../VariableKeyLibNull/VariableKeyLibNull.c   | 67 +++++++++++++++++++
 .../VariableKeyLibNull/VariableKeyLibNull.inf | 33 +++++++++
 SecurityPkg/SecurityPkg.dsc                   |  2 +
 3 files changed, 102 insertions(+)
 create mode 100644 SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.c
 create mode 100644 SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.inf

diff --git a/SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.c b/SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.c
new file mode 100644
index 0000000000..2ef6a68ea0
--- /dev/null
+++ b/SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.c
@@ -0,0 +1,67 @@
+/** @file
+  Null version of VariableKeyLib for build purpose. Don't use it in real product.
+
+Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#include <Library/DebugLib.h>
+#include <Library/VariableKeyLib.h>
+
+/**
+  Retrieves the variable root key.
+
+  @param[out]     VariableRootKey         A pointer to pointer for the variable root key buffer.
+  @param[in,out]  VariableRootKeySize     The size in bytes of the variable root key.
+
+  @retval       EFI_SUCCESS             The variable root key was returned.
+  @retval       EFI_DEVICE_ERROR        An error occurred while attempting to get the variable root key.
+  @retval       EFI_ACCESS_DENIED       The function was invoked after locking the key interface.
+  @retval       EFI_UNSUPPORTED         The variable root key is not supported in the current boot configuration.
+**/
+EFI_STATUS
+EFIAPI
+GetVariableRootKey (
+      OUT VOID    **VariableRootKey,
+  IN  OUT UINTN   *VariableRootKeySize
+  )
+{
+  ASSERT (FALSE);
+  return EFI_UNSUPPORTED;
+}
+
+/**
+  Regenerates the variable root key.
+
+  @retval       EFI_SUCCESS             The variable root key was regenerated successfully.
+  @retval       EFI_DEVICE_ERROR        An error occurred while attempting to regenerate the root key.
+  @retval       EFI_ACCESS_DENIED       The function was invoked after locking the key interface.
+  @retval       EFI_UNSUPPORTED         Key regeneration is not supported in the current boot configuration.
+**/
+EFI_STATUS
+EFIAPI
+RegenerateKey (
+  VOID
+  )
+{
+  ASSERT (FALSE);
+  return EFI_UNSUPPORTED;
+}
+
+/**
+  Locks the regenerate key interface.
+
+  @retval       EFI_SUCCESS             The key interface was locked successfully.
+  @retval       EFI_UNSUPPORTED         Locking the key interface is not supported in the current boot configuration.
+  @retval       Others                  An error occurred while attempting to lock the key interface.
+**/
+EFI_STATUS
+EFIAPI
+LockKeyInterface (
+  VOID
+  )
+{
+  ASSERT (FALSE);
+  return EFI_UNSUPPORTED;
+}
+
diff --git a/SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.inf b/SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.inf
new file mode 100644
index 0000000000..ea74e38cf9
--- /dev/null
+++ b/SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.inf
@@ -0,0 +1,33 @@
+## @file
+#  Provides Null version of VariableKeyLib for build only.
+#
+#  Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010029
+  BASE_NAME                      = VariableKeyLibNull
+  FILE_GUID                      = 2B640ED8-1E6A-4516-9F1D-25910E59BC4A
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = VariableKeyLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 Arm AArch64
+#
+
+[Sources]
+  VariableKeyLibNull.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  SecurityPkg/SecurityPkg.dec
+
+[LibraryClasses]
+  BaseLib
+  DebugLib
+
diff --git a/SecurityPkg/SecurityPkg.dsc b/SecurityPkg/SecurityPkg.dsc
index 97e0e7ed6e..4b85f77b02 100644
--- a/SecurityPkg/SecurityPkg.dsc
+++ b/SecurityPkg/SecurityPkg.dsc
@@ -64,6 +64,7 @@
   TcgStorageCoreLib|SecurityPkg/Library/TcgStorageCoreLib/TcgStorageCoreLib.inf
   TcgStorageOpalLib|SecurityPkg/Library/TcgStorageOpalLib/TcgStorageOpalLib.inf
   ResetSystemLib|MdeModulePkg/Library/BaseResetSystemLibNull/BaseResetSystemLibNull.inf
+  VariableKeyLib|SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.inf
   RpmcLib|SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf
 
 [LibraryClasses.ARM]
@@ -221,6 +222,7 @@
   #
   # Variable Confidentiality & Integrity
   #
+  SecurityPkg/Library/VariableKeyLibNull/VariableKeyLibNull.inf
   SecurityPkg/Library/RpmcLibNull/RpmcLibNull.inf
 
   #
-- 
2.24.0.windows.2


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2020-03-16 15:59 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-03-16 15:59 [PATCH v2 0/3] Add RpmcLib and VariableKeyLib Wang, Jian J
2020-03-16 15:59 ` [PATCH v2 1/3] SecurityPkg: add RpmcLib and VariableKeyLib public headers Wang, Jian J
2020-03-16 15:59 ` [PATCH v2 2/3] SecurityPkg: add null version of RpmcLib Wang, Jian J
2020-03-16 15:59 ` [PATCH v2 3/3] SecurityPkg: add null version of VariableKeyLib Wang, Jian J

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