From b8ae1f4de75260f48e1459692bac0d1b84246cc1 Mon Sep 17 00:00:00 2001
From: Star Zeng <star.zeng@intel.com>
Date: Fri, 18 Nov 2016 13:13:21 +0800
Subject: SecurityPkg TPM2: Add GetHashMaskFromAlgo() into Tpm2CommandLib

Add GetHashMaskFromAlgo() into Tpm2CommandLib for coming consumer.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by : Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
---
 SecurityPkg/Include/Library/Tpm2CommandLib.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'SecurityPkg/Include')

diff --git a/SecurityPkg/Include/Library/Tpm2CommandLib.h b/SecurityPkg/Include/Library/Tpm2CommandLib.h
index 85a4c65e02..699270f127 100644
--- a/SecurityPkg/Include/Library/Tpm2CommandLib.h
+++ b/SecurityPkg/Include/Library/Tpm2CommandLib.h
@@ -1006,6 +1006,19 @@ GetHashSizeFromAlgo (
   IN TPMI_ALG_HASH    HashAlgo
   );
 
+/**
+  Get hash mask from algorithm.
+
+  @param[in] HashAlgo   Hash algorithm
+
+  @return Hash mask
+**/
+UINT32
+EFIAPI
+GetHashMaskFromAlgo (
+  IN TPMI_ALG_HASH     HashAlgo
+  );
+
 /**
   Return if hash alg is supported in HashAlgorithmMask.
 
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