mirror of https://github.com/acidanthera/audk.git
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/** @file
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Basic TPM command functions.
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Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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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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