0c18794ea4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12261 6f19259b-4bc3-4df7-8a09-765794883524
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/** @file
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Basic TPM command functions.
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Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "CommonHeader.h"
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/**
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Single function calculates SHA1 digest value for all raw data. It
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combines Sha1Init(), Sha1Update() and Sha1Final().
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@param[in] Data Raw data to be digested.
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@param[in] DataLen Size of the raw data.
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@param[out] Digest Pointer to a buffer that stores the final digest.
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@retval EFI_SUCCESS Always successfully calculate the final digest.
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**/
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EFI_STATUS
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EFIAPI
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TpmCommHashAll (
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IN CONST UINT8 *Data,
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IN UINTN DataLen,
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OUT TPM_DIGEST *Digest
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)
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{
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VOID *Sha1Ctx;
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UINTN CtxSize;
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CtxSize = Sha1GetContextSize ();
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Sha1Ctx = AllocatePool (CtxSize);
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ASSERT (Sha1Ctx != NULL);
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Sha1Init (Sha1Ctx);
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Sha1Update (Sha1Ctx, Data, DataLen);
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Sha1Final (Sha1Ctx, (UINT8 *)Digest);
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FreePool (Sha1Ctx);
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return EFI_SUCCESS;
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}
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