From 77e55cf4e283942766d6178eca375aeec055bff2 Mon Sep 17 00:00:00 2001
From: Jiewen Yao <jiewen.yao@intel.com>
Date: Wed, 14 Sep 2016 10:07:45 +0800
Subject: SecurityPkg/TPM2: Move GetDigestListSize() to Tpm2CommandLib

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

Cc: Chao B Zhang <chao.b.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
---
 SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c')

diff --git a/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c b/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c
index 2df18dfe07..96753b79d5 100644
--- a/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c
+++ b/SecurityPkg/Library/Tpm2CommandLib/Tpm2Help.c
@@ -165,6 +165,32 @@ CopyAuthSessionResponse (
   return (UINT32)(UINTN)(Buffer - (UINT8 *)AuthSessionIn);
 }
 
+/**
+  Get TPML_DIGEST_VALUES data size.
+
+  @param[in]     DigestList    TPML_DIGEST_VALUES data.
+
+  @return TPML_DIGEST_VALUES data size.
+**/
+UINT32
+EFIAPI
+GetDigestListSize (
+  IN TPML_DIGEST_VALUES             *DigestList
+  )
+{
+  UINTN  Index;
+  UINT16 DigestSize;
+  UINT32 TotalSize;
+
+  TotalSize = sizeof(DigestList->count);
+  for (Index = 0; Index < DigestList->count; Index++) {
+    DigestSize = GetHashSizeFromAlgo (DigestList->digests[Index].hashAlg);
+    TotalSize += sizeof(DigestList->digests[Index].hashAlg) + DigestSize;
+  }
+
+  return TotalSize;
+}
+
 /**
   This function get digest from digest list.
 
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