ed66e1bc0d
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5820 6f19259b-4bc3-4df7-8a09-765794883524
92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
/** @file
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Header file for Md5
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Copyright (c) 2004 - 2008, Intel Corporation
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All rights reserved. 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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Module Name:
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Md5.h
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Abstract:
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Header file for Md5
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**/
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#ifndef _MD5_H_
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#define _MD5_H_
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#include <Uefi/UefiBaseType.h>
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#include <Library/BaseLib.h>
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#include <Library/NetLib.h>
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#define MD5_HASHSIZE 16
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typedef struct _MD5_CTX {
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EFI_STATUS Status;
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UINT64 Length;
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UINT32 States[MD5_HASHSIZE / sizeof (UINT32)];
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UINT8 M[64];
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UINTN Count;
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} MD5_CTX;
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/**
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Initialize four 32-bits chaining variables and use them to do the Md5 transform.
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@param Md5Ctx[in] the data structure of Md5
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@retval EFI_SUCCESS initialization is ok
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**/
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EFI_STATUS
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MD5Init (
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IN MD5_CTX *Md5Ctx
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);
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/**
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the external interface of Md5 algorithm
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@param Md5Ctx[in] the data structure of storing the original data
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segment and the final result.
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@param Data[in] the data wanted to be transformed.
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@param DataLen[in] the length of data.
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@retval EFI_SUCCESS the transform is ok.
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**/
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EFI_STATUS
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MD5Update (
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IN MD5_CTX *Md5Ctx,
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IN VOID *Data,
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IN UINTN DataLen
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);
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/**
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accumulate the MD5 value of every data segment and generate the finial
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result according to MD5 algorithm
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@param Md5Ctx[in] the data structure of storing the original data
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segment and the final result.
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@param HashVal[out] the final 128-bits output.
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@retval EFI_SUCCESS the transform is ok.
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**/
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EFI_STATUS
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MD5Final (
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IN MD5_CTX *Md5Ctx,
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OUT UINT8 *HashVal
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);
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#endif // _MD5_H
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