From: Jiewen Yao <jiewen....@intel.com>

This patch just moves function Tpm2GetDigestFromDigestList() from
drivers to library as GetDigestFromDigestList() and no functionality change.

Cc: Chao B Zhang <chao.b.zh...@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen....@intel.com>
Signed-off-by: Star Zeng <star.z...@intel.com>
---
 SecurityPkg/Include/Library/Tpm2CommandLib.h  | 18 +++++++++++++
 SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c | 38 ++++++++++++++++++++++++++-
 SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c             | 37 +-------------------------
 SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c             | 37 +-------------------------
 SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c             | 37 +-------------------------
 SecurityPkg/Tcg/TrEEPei/TrEEPei.c             | 37 +-------------------------
 6 files changed, 59 insertions(+), 145 deletions(-)

diff --git a/SecurityPkg/Include/Library/Tpm2CommandLib.h 
b/SecurityPkg/Include/Library/Tpm2CommandLib.h
index 162db193cb4f..197d64958634 100644
--- a/SecurityPkg/Include/Library/Tpm2CommandLib.h
+++ b/SecurityPkg/Include/Library/Tpm2CommandLib.h
@@ -988,4 +988,22 @@ GetHashSizeFromAlgo (
   IN TPMI_ALG_HASH    HashAlgo
   );
 
+/**
+  This function get digest from digest list.
+
+  @param HashAlg    digest algorithm
+  @param DigestList digest list
+  @param Digest     digest
+
+  @retval EFI_SUCCESS   Sha1Digest is found and returned.
+  @retval EFI_NOT_FOUND Sha1Digest is not found.
+**/
+EFI_STATUS
+EFIAPI
+GetDigestFromDigestList(
+  IN TPMI_ALG_HASH      HashAlg,
+  IN TPML_DIGEST_VALUES *DigestList,
+  IN VOID               *Digest
+  );
+
 #endif
diff --git a/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c 
b/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c
index 5e24290f7c8a..b40c2ab09d30 100644
--- a/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c
+++ b/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c
@@ -1,7 +1,7 @@
 /** @file
   Implement TPM2 help.
 
-Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved. <BR>
+Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved. <BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD 
License
 which accompanies this distribution.  The full text of the license may be 
found at
@@ -164,3 +164,39 @@ CopyAuthSessionResponse (
 
   return (UINT32)(UINTN)(Buffer - (UINT8 *)AuthSessionIn);
 }
+
+/**
+  This function get digest from digest list.
+
+  @param HashAlg    digest algorithm
+  @param DigestList digest list
+  @param Digest     digest
+
+  @retval EFI_SUCCESS   Sha1Digest is found and returned.
+  @retval EFI_NOT_FOUND Sha1Digest is not found.
+**/
+EFI_STATUS
+EFIAPI
+GetDigestFromDigestList (
+  IN TPMI_ALG_HASH      HashAlg,
+  IN TPML_DIGEST_VALUES *DigestList,
+  IN VOID               *Digest
+  )
+{
+  UINTN  Index;
+  UINT16 DigestSize;
+
+  DigestSize = GetHashSizeFromAlgo (HashAlg);
+  for (Index = 0; Index < DigestList->count; Index++) {
+    if (DigestList->digests[Index].hashAlg == HashAlg) {
+      CopyMem (
+        Digest,
+        &DigestList->digests[Index].digest,
+        DigestSize
+        );
+      return EFI_SUCCESS;
+    }
+  }
+
+  return EFI_NOT_FOUND;
+}
\ No newline at end of file
diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c 
b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
index 319f24544ac3..9080e4703233 100644
--- a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
+++ b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
@@ -864,41 +864,6 @@ TcgDxeLogEvent (
 }
 
 /**
-  This function get digest from digest list.
-
-  @param HashAlg    digest algorithm
-  @param DigestList digest list
-  @param Digest     digest
-
-  @retval EFI_SUCCESS   Sha1Digest is found and returned.
-  @retval EFI_NOT_FOUND Sha1Digest is not found.
-**/
-EFI_STATUS
-Tpm2GetDigestFromDigestList (
-  IN TPMI_ALG_HASH      HashAlg,
-  IN TPML_DIGEST_VALUES *DigestList,
-  IN VOID               *Digest
-  )
-{
-  UINTN  Index;
-  UINT16 DigestSize;
-
-  DigestSize = GetHashSizeFromAlgo (HashAlg);
-  for (Index = 0; Index < DigestList->count; Index++) {
-    if (DigestList->digests[Index].hashAlg == HashAlg) {
-      CopyMem (
-        Digest,
-        &DigestList->digests[Index].digest,
-        DigestSize
-        );
-      return EFI_SUCCESS;
-    }
-  }
-
-  return EFI_NOT_FOUND;
-}
-
-/**
   Get TPML_DIGEST_VALUES data size.
 
   @param[in]     DigestList    TPML_DIGEST_VALUES data.
@@ -1067,7 +1032,7 @@ TcgDxeLogHashEvent (
       DEBUG ((EFI_D_INFO, "  LogFormat - 0x%08x\n", 
mTcg2EventInfo[Index].LogFormat));
       switch (mTcg2EventInfo[Index].LogFormat) {
       case EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2:
-        Status = Tpm2GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, 
&NewEventHdr->Digest);
+        Status = GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, 
&NewEventHdr->Digest);
         if (!EFI_ERROR (Status)) {
           //
           // Enter critical region
diff --git a/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c 
b/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c
index 0d779f1e3b17..adc0350a48e3 100644
--- a/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c
+++ b/SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.c
@@ -135,41 +135,6 @@ EFI_PEI_NOTIFY_DESCRIPTOR           mNotifyList[] = {
 EFI_PEI_FIRMWARE_VOLUME_INFO_MEASUREMENT_EXCLUDED_PPI 
*mMeasurementExcludedFvPpi;
 
 /**
-  This function get digest from digest list.
-
-  @param HashAlg    digest algorithm
-  @param DigestList digest list
-  @param Digest     digest
-
-  @retval EFI_SUCCESS   Sha1Digest is found and returned.
-  @retval EFI_NOT_FOUND Sha1Digest is not found.
-**/
-EFI_STATUS
-Tpm2GetDigestFromDigestList (
-  IN TPMI_ALG_HASH      HashAlg,
-  IN TPML_DIGEST_VALUES *DigestList,
-  IN VOID               *Digest
-  )
-{
-  UINTN  Index;
-  UINT16 DigestSize;
-
-  DigestSize = GetHashSizeFromAlgo (HashAlg);
-  for (Index = 0; Index < DigestList->count; Index++) {
-    if (DigestList->digests[Index].hashAlg == HashAlg) {
-      CopyMem (
-        Digest,
-        &DigestList->digests[Index].digest,
-        DigestSize
-        );
-      return EFI_SUCCESS;
-    }
-  }
-
-  return EFI_NOT_FOUND;
-}
-
-/**
   Record all measured Firmware Volum Information into a Guid Hob
   Guid Hob payload layout is 
 
@@ -420,7 +385,7 @@ LogHashEvent (
       DEBUG ((EFI_D_INFO, "  LogFormat - 0x%08x\n", 
mTcg2EventInfo[Index].LogFormat));
       switch (mTcg2EventInfo[Index].LogFormat) {
       case EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2:
-        Status = Tpm2GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, 
&NewEventHdr->Digest);
+        Status = GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, 
&NewEventHdr->Digest);
         if (!EFI_ERROR (Status)) {
           HobData = BuildGuidHob (
                      &gTcgEventEntryHobGuid,
diff --git a/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c 
b/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
index ecafc12efe1c..fb69fa1860e8 100644
--- a/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
+++ b/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
@@ -625,41 +625,6 @@ TcgDxeLogEvent (
 }
 
 /**
-  This function get digest from digest list.
-
-  @param HashAlg    digest algorithm
-  @param DigestList digest list
-  @param Digest     digest
-
-  @retval EFI_SUCCESS   Sha1Digest is found and returned.
-  @retval EFI_NOT_FOUND Sha1Digest is not found.
-**/
-EFI_STATUS
-Tpm2GetDigestFromDigestList (
-  IN TPMI_ALG_HASH      HashAlg,
-  IN TPML_DIGEST_VALUES *DigestList,
-  IN VOID               *Digest
-  )
-{
-  UINTN  Index;
-  UINT16 DigestSize;
-
-  DigestSize = GetHashSizeFromAlgo (HashAlg);
-  for (Index = 0; Index < DigestList->count; Index++) {
-    if (DigestList->digests[Index].hashAlg == HashAlg) {
-      CopyMem (
-        Digest,
-        &DigestList->digests[Index].digest,
-        DigestSize
-        );
-      return EFI_SUCCESS;
-    }
-  }
-
-  return EFI_NOT_FOUND;
-}
-
-/**
   Add a new entry to the Event Log.
 
   @param[in]     DigestList    A list of digest.
@@ -686,7 +651,7 @@ TcgDxeLogHashEvent (
       DEBUG ((EFI_D_INFO, "  LogFormat - 0x%08x\n", 
mTreeEventInfo[Index].LogFormat));
       switch (mTreeEventInfo[Index].LogFormat) {
       case TREE_EVENT_LOG_FORMAT_TCG_1_2:
-        Status = Tpm2GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, 
&NewEventHdr->Digest);
+        Status = GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, 
&NewEventHdr->Digest);
         if (!EFI_ERROR (Status)) {
           //
           // Enter critical region
diff --git a/SecurityPkg/Tcg/TrEEPei/TrEEPei.c 
b/SecurityPkg/Tcg/TrEEPei/TrEEPei.c
index 41edfdd0e6ec..8d8639d271c7 100644
--- a/SecurityPkg/Tcg/TrEEPei/TrEEPei.c
+++ b/SecurityPkg/Tcg/TrEEPei/TrEEPei.c
@@ -133,41 +133,6 @@ EFI_PEI_NOTIFY_DESCRIPTOR           mNotifyList[] = {
 EFI_PEI_FIRMWARE_VOLUME_INFO_MEASUREMENT_EXCLUDED_PPI 
*mMeasurementExcludedFvPpi;
 
 /**
-  This function get digest from digest list.
-
-  @param HashAlg    digest algorithm
-  @param DigestList digest list
-  @param Digest     digest
-
-  @retval EFI_SUCCESS   Sha1Digest is found and returned.
-  @retval EFI_NOT_FOUND Sha1Digest is not found.
-**/
-EFI_STATUS
-Tpm2GetDigestFromDigestList (
-  IN TPMI_ALG_HASH      HashAlg,
-  IN TPML_DIGEST_VALUES *DigestList,
-  IN VOID               *Digest
-  )
-{
-  UINTN  Index;
-  UINT16 DigestSize;
-
-  DigestSize = GetHashSizeFromAlgo (HashAlg);
-  for (Index = 0; Index < DigestList->count; Index++) {
-    if (DigestList->digests[Index].hashAlg == HashAlg) {
-      CopyMem (
-        Digest,
-        &DigestList->digests[Index].digest,
-        DigestSize
-        );
-      return EFI_SUCCESS;
-    }
-  }
-
-  return EFI_NOT_FOUND;
-}
-
-/**
   Record all measured Firmware Volum Information into a Guid Hob
   Guid Hob payload layout is 
 
@@ -249,7 +214,7 @@ LogHashEvent (
       DEBUG ((EFI_D_INFO, "  LogFormat - 0x%08x\n", 
mTreeEventInfo[Index].LogFormat));
       switch (mTreeEventInfo[Index].LogFormat) {
       case TREE_EVENT_LOG_FORMAT_TCG_1_2:
-        Status = Tpm2GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, 
&NewEventHdr->Digest);
+        Status = GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, 
&NewEventHdr->Digest);
         if (!EFI_ERROR (Status)) {
           HobData = BuildGuidHob (
                      &gTcgEventEntryHobGuid,
-- 
2.7.0.windows.1

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