| | 1 | /** @file\r |
| | 2 | Header file for Md5\r |
| | 3 | \r |
| | 4 | Copyright (c) 2004 - 2008, Intel Corporation\r |
| | 5 | All rights reserved. This program and the accompanying materials\r |
| | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
| | 7 | which accompanies this distribution. The full text of the license may be found at\r |
| | 8 | http://opensource.org/licenses/bsd-license.php\r |
| | 9 | \r |
| | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| | 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| | 12 | \r |
| | 13 | Module Name:\r |
| | 14 | \r |
| | 15 | Md5.h\r |
| | 16 | \r |
| | 17 | Abstract:\r |
| | 18 | \r |
| | 19 | Header file for Md5\r |
| | 20 | \r |
| | 21 | **/\r |
| | 22 | \r |
| | 23 | #ifndef _MD5_H_\r |
| | 24 | #define _MD5_H_\r |
| | 25 | \r |
| | 26 | #include <Uefi/UefiBaseType.h>\r |
| | 27 | #include <Library/BaseLib.h>\r |
| | 28 | #include <Library/NetLib.h>\r |
| | 29 | \r |
| | 30 | #define MD5_HASHSIZE 16\r |
| | 31 | \r |
| | 32 | typedef struct _MD5_CTX {\r |
| | 33 | EFI_STATUS Status;\r |
| | 34 | UINT64 Length;\r |
| | 35 | UINT32 States[MD5_HASHSIZE / sizeof (UINT32)];\r |
| | 36 | UINT8 M[64];\r |
| | 37 | UINTN Count;\r |
| | 38 | } MD5_CTX;\r |
| | 39 | \r |
| | 40 | /**\r |
| | 41 | Initialize four 32-bits chaining variables and use them to do the Md5 transform.\r |
| | 42 | \r |
| | 43 | @param Md5Ctx[in] the data structure of Md5\r |
| | 44 | \r |
| | 45 | @retval EFI_SUCCESS initialization is ok\r |
| | 46 | \r |
| | 47 | **/\r |
| | 48 | EFI_STATUS\r |
| | 49 | MD5Init (\r |
| | 50 | IN MD5_CTX *Md5Ctx\r |
| | 51 | );\r |
| | 52 | \r |
| | 53 | /**\r |
| | 54 | the external interface of Md5 algorithm\r |
| | 55 | \r |
| | 56 | @param Md5Ctx[in] the data structure of storing the original data\r |
| | 57 | segment and the final result.\r |
| | 58 | \r |
| | 59 | @param Data[in] the data wanted to be transformed.\r |
| | 60 | \r |
| | 61 | @param DataLen[in] the length of data.\r |
| | 62 | \r |
| | 63 | @retval EFI_SUCCESS the transform is ok.\r |
| | 64 | \r |
| | 65 | **/\r |
| | 66 | EFI_STATUS\r |
| | 67 | MD5Update (\r |
| | 68 | IN MD5_CTX *Md5Ctx,\r |
| | 69 | IN VOID *Data,\r |
| | 70 | IN UINTN DataLen\r |
| | 71 | );\r |
| | 72 | \r |
| | 73 | /**\r |
| | 74 | accumulate the MD5 value of every data segment and generate the finial\r |
| | 75 | result according to MD5 algorithm\r |
| | 76 | \r |
| | 77 | @param Md5Ctx[in] the data structure of storing the original data\r |
| | 78 | segment and the final result.\r |
| | 79 | \r |
| | 80 | @param HashVal[out] the final 128-bits output.\r |
| | 81 | \r |
| | 82 | @retval EFI_SUCCESS the transform is ok.\r |
| | 83 | \r |
| | 84 | **/\r |
| | 85 | EFI_STATUS\r |
| | 86 | MD5Final (\r |
| | 87 | IN MD5_CTX *Md5Ctx,\r |
| | 88 | OUT UINT8 *HashVal\r |
| | 89 | );\r |
| | 90 | \r |
| | 91 | #endif // _MD5_H\r |
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