/** @file | |
Header file for Md5. | |
Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR> | |
This program and the accompanying materials | |
are licensed and made available under the terms and conditions of the BSD License | |
which accompanies this distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#ifndef _MD5_H_ | |
#define _MD5_H_ | |
#include <Uefi.h> | |
#include <Library/BaseLib.h> | |
#include <Library/BaseMemoryLib.h> | |
#include <Library/NetLib.h> | |
#define MD5_HASHSIZE 16 | |
typedef struct _MD5_CTX { | |
EFI_STATUS Status; | |
UINT64 Length; | |
UINT32 States[MD5_HASHSIZE / sizeof (UINT32)]; | |
UINT8 M[64]; | |
UINTN Count; | |
} MD5_CTX; | |
/** | |
Initialize four 32-bits chaining variables and use them to do the Md5 transform. | |
@param[out] Md5Ctx The data structure of Md5. | |
@retval EFI_SUCCESS Initialization is ok. | |
**/ | |
EFI_STATUS | |
MD5Init ( | |
OUT MD5_CTX *Md5Ctx | |
); | |
/** | |
the external interface of Md5 algorithm | |
@param[in, out] Md5Ctx The data structure of storing the original data | |
segment and the final result. | |
@param[in] Data The data wanted to be transformed. | |
@param[in] DataLen The length of data. | |
@retval EFI_SUCCESS The transform is ok. | |
@retval Others Other errors as indicated. | |
**/ | |
EFI_STATUS | |
MD5Update ( | |
IN OUT MD5_CTX *Md5Ctx, | |
IN VOID *Data, | |
IN UINTN DataLen | |
); | |
/** | |
Accumulate the MD5 value of every data segment and generate the finial | |
result according to MD5 algorithm. | |
@param[in, out] Md5Ctx The data structure of storing the original data | |
segment and the final result. | |
@param[out] HashVal The final 128-bits output. | |
@retval EFI_SUCCESS The transform is ok. | |
@retval Others Other errors as indicated. | |
**/ | |
EFI_STATUS | |
MD5Final ( | |
IN OUT MD5_CTX *Md5Ctx, | |
OUT UINT8 *HashVal | |
); | |
#endif |