SecurityPkg/TPM2: Move GetDigestFromDigestList() to Tpm2CommandLib

[mirror_edk2.git] / SecurityPkg / Tcg / Tcg2Dxe / Tcg2Dxe.c

diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
index 5d975561dec7dd2b6e60105bd03a605817e2dc18..9080e4703233dbe5f196071f294f8c3730e3fe0c 100644 (file)
--- a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
+++ b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
@@ -201,33 +201,6 @@ InternalDumpHex (
   }\r
 }\r
 \r
-/**\r
-  Check if buffer is all zero.\r
-\r
-  @param[in] Buffer      Buffer to be checked.\r
-  @param[in] BufferSize  Size of buffer to be checked.\r
-\r
-  @retval TRUE  Buffer is all zero.\r
-  @retval FALSE Buffer is not all zero.\r
-**/\r
-BOOLEAN\r
-InternalIsZeroBuffer (\r
-  IN VOID  *Buffer,\r
-  IN UINTN BufferSize\r
-  )\r
-{\r
-  UINT8 *BufferData;\r
-  UINTN Index;\r
-\r
-  BufferData = Buffer;\r
-  for (Index = 0; Index < BufferSize; Index++) {\r
-    if (BufferData[Index] != 0) {\r
-      return FALSE;\r
-    }\r
-  }\r
-  return TRUE;\r
-}\r
-\r
 /**\r
   Get All processors EFI_CPU_LOCATION in system. LocationBuf is allocated inside the function\r
   Caller is responsible to free LocationBuf.\r
@@ -890,41 +863,6 @@ TcgDxeLogEvent (
   return Status;\r
 }\r
 \r
-/**\r
-  This function get digest from digest list.\r
-\r
-  @param HashAlg    digest algorithm\r
-  @param DigestList digest list\r
-  @param Digest     digest\r
-\r
-  @retval EFI_SUCCESS   Sha1Digest is found and returned.\r
-  @retval EFI_NOT_FOUND Sha1Digest is not found.\r
-**/\r
-EFI_STATUS\r
-Tpm2GetDigestFromDigestList (\r
-  IN TPMI_ALG_HASH      HashAlg,\r
-  IN TPML_DIGEST_VALUES *DigestList,\r
-  IN VOID               *Digest\r
-  )\r
-{\r
-  UINTN  Index;\r
-  UINT16 DigestSize;\r
-\r
-  DigestSize = GetHashSizeFromAlgo (HashAlg);\r
-  for (Index = 0; Index < DigestList->count; Index++) {\r
-    if (DigestList->digests[Index].hashAlg == HashAlg) {\r
-      CopyMem (\r
-        Digest,\r
-        &DigestList->digests[Index].digest,\r
-        DigestSize\r
-        );\r
-      return EFI_SUCCESS;\r
-    }\r
-  }\r
-\r
-  return EFI_NOT_FOUND;\r
-}\r
-\r
 /**\r
   Get TPML_DIGEST_VALUES data size.\r
 \r
@@ -1094,7 +1032,7 @@ TcgDxeLogHashEvent (
       DEBUG ((EFI_D_INFO, "  LogFormat - 0x%08x\n", mTcg2EventInfo[Index].LogFormat));\r
       switch (mTcg2EventInfo[Index].LogFormat) {\r
       case EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2:\r
-        Status = Tpm2GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, &NewEventHdr->Digest);\r
+        Status = GetDigestFromDigestList (TPM_ALG_SHA1, DigestList, &NewEventHdr->Digest);\r
         if (!EFI_ERROR (Status)) {\r
           //\r
           // Enter critical region\r
@@ -2471,31 +2409,31 @@ DriverEntry (
       switch (Pcrs.pcrSelections[Index].hash) {\r
       case TPM_ALG_SHA1:\r
         TpmHashAlgorithmBitmap |= EFI_TCG2_BOOT_HASH_ALG_SHA1;\r
-        if (!InternalIsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
+        if (!IsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
           ActivePCRBanks |= EFI_TCG2_BOOT_HASH_ALG_SHA1;\r
         }        \r
         break;\r
       case TPM_ALG_SHA256:\r
         TpmHashAlgorithmBitmap |= EFI_TCG2_BOOT_HASH_ALG_SHA256;\r
-        if (!InternalIsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
+        if (!IsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
           ActivePCRBanks |= EFI_TCG2_BOOT_HASH_ALG_SHA256;\r
         }\r
         break;\r
       case TPM_ALG_SHA384:\r
         TpmHashAlgorithmBitmap |= EFI_TCG2_BOOT_HASH_ALG_SHA384;\r
-        if (!InternalIsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
+        if (!IsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
           ActivePCRBanks |= EFI_TCG2_BOOT_HASH_ALG_SHA384;\r
         }\r
         break;\r
       case TPM_ALG_SHA512:\r
         TpmHashAlgorithmBitmap |= EFI_TCG2_BOOT_HASH_ALG_SHA512;\r
-        if (!InternalIsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
+        if (!IsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
           ActivePCRBanks |= EFI_TCG2_BOOT_HASH_ALG_SHA512;\r
         }\r
         break;\r
       case TPM_ALG_SM3_256:\r
         TpmHashAlgorithmBitmap |= EFI_TCG2_BOOT_HASH_ALG_SM3_256;\r
-        if (!InternalIsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
+        if (!IsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r
           ActivePCRBanks |= EFI_TCG2_BOOT_HASH_ALG_SM3_256;\r
         }\r
         break;\r