Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 11 | pmbaty | 1 | /* |
| 2 | Simple DirectMedia Layer |
||
| 3 | Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org> |
||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied |
||
| 6 | warranty. In no event will the authors be held liable for any damages |
||
| 7 | arising from the use of this software. |
||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, |
||
| 10 | including commercial applications, and to alter it and redistribute it |
||
| 11 | freely, subject to the following restrictions: |
||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not |
||
| 14 | claim that you wrote the original software. If you use this software |
||
| 15 | in a product, an acknowledgment in the product documentation would be |
||
| 16 | appreciated but is not required. |
||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be |
||
| 18 | misrepresented as being the original software. |
||
| 19 | 3. This notice may not be removed or altered from any source distribution. |
||
| 20 | */ |
||
| 21 | |||
| 22 | /** |
||
| 23 | * \file SDL_test_md5.h |
||
| 24 | * |
||
| 25 | * Include file for SDL test framework. |
||
| 26 | * |
||
| 27 | * This code is a part of the SDL2_test library, not the main SDL library. |
||
| 28 | */ |
||
| 29 | |||
| 30 | /* |
||
| 31 | *********************************************************************** |
||
| 32 | ** Header file for implementation of MD5 ** |
||
| 33 | ** RSA Data Security, Inc. MD5 Message-Digest Algorithm ** |
||
| 34 | ** Created: 2/17/90 RLR ** |
||
| 35 | ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version ** |
||
| 36 | ** Revised (for MD5): RLR 4/27/91 ** |
||
| 37 | ** -- G modified to have y&~z instead of y&z ** |
||
| 38 | ** -- FF, GG, HH modified to add in last register done ** |
||
| 39 | ** -- Access pattern: round 2 works mod 5, round 3 works mod 3 ** |
||
| 40 | ** -- distinct additive constant for each step ** |
||
| 41 | ** -- round 4 added, working mod 7 ** |
||
| 42 | *********************************************************************** |
||
| 43 | */ |
||
| 44 | |||
| 45 | /* |
||
| 46 | *********************************************************************** |
||
| 47 | ** Message-digest routines: ** |
||
| 48 | ** To form the message digest for a message M ** |
||
| 49 | ** (1) Initialize a context buffer mdContext using MD5Init ** |
||
| 50 | ** (2) Call MD5Update on mdContext and M ** |
||
| 51 | ** (3) Call MD5Final on mdContext ** |
||
| 52 | ** The message digest is now in mdContext->digest[0...15] ** |
||
| 53 | *********************************************************************** |
||
| 54 | */ |
||
| 55 | |||
| 56 | #ifndef SDL_test_md5_h_ |
||
| 57 | #define SDL_test_md5_h_ |
||
| 58 | |||
| 59 | #include "begin_code.h" |
||
| 60 | /* Set up for C function definitions, even when using C++ */ |
||
| 61 | #ifdef __cplusplus |
||
| 62 | extern "C" { |
||
| 63 | #endif |
||
| 64 | |||
| 65 | /* ------------ Definitions --------- */ |
||
| 66 | |||
| 67 | /* typedef a 32-bit type */ |
||
| 68 | typedef unsigned long int MD5UINT4; |
||
| 69 | |||
| 70 | /* Data structure for MD5 (Message-Digest) computation */ |
||
| 71 | typedef struct { |
||
| 72 | MD5UINT4 i[2]; /* number of _bits_ handled mod 2^64 */ |
||
| 73 | MD5UINT4 buf[4]; /* scratch buffer */ |
||
| 74 | unsigned char in[64]; /* input buffer */ |
||
| 75 | unsigned char digest[16]; /* actual digest after Md5Final call */ |
||
| 76 | } SDLTest_Md5Context; |
||
| 77 | |||
| 78 | /* ---------- Function Prototypes ------------- */ |
||
| 79 | |||
| 80 | /** |
||
| 81 | * \brief initialize the context |
||
| 82 | * |
||
| 83 | * \param mdContext pointer to context variable |
||
| 84 | * |
||
| 85 | * Note: The function initializes the message-digest context |
||
| 86 | * mdContext. Call before each new use of the context - |
||
| 87 | * all fields are set to zero. |
||
| 88 | */ |
||
| 89 | void SDLTest_Md5Init(SDLTest_Md5Context * mdContext); |
||
| 90 | |||
| 91 | |||
| 92 | /** |
||
| 93 | * \brief update digest from variable length data |
||
| 94 | * |
||
| 95 | * \param mdContext pointer to context variable |
||
| 96 | * \param inBuf pointer to data array/string |
||
| 97 | * \param inLen length of data array/string |
||
| 98 | * |
||
| 99 | * Note: The function updates the message-digest context to account |
||
| 100 | * for the presence of each of the characters inBuf[0..inLen-1] |
||
| 101 | * in the message whose digest is being computed. |
||
| 102 | */ |
||
| 103 | |||
| 104 | void SDLTest_Md5Update(SDLTest_Md5Context * mdContext, unsigned char *inBuf, |
||
| 105 | unsigned int inLen); |
||
| 106 | |||
| 107 | |||
| 108 | /** |
||
| 109 | * \brief complete digest computation |
||
| 110 | * |
||
| 111 | * \param mdContext pointer to context variable |
||
| 112 | * |
||
| 113 | * Note: The function terminates the message-digest computation and |
||
| 114 | * ends with the desired message digest in mdContext.digest[0..15]. |
||
| 115 | * Always call before using the digest[] variable. |
||
| 116 | */ |
||
| 117 | |||
| 118 | void SDLTest_Md5Final(SDLTest_Md5Context * mdContext); |
||
| 119 | |||
| 120 | |||
| 121 | /* Ends C function definitions when using C++ */ |
||
| 122 | #ifdef __cplusplus |
||
| 123 | } |
||
| 124 | #endif |
||
| 125 | #include "close_code.h" |
||
| 126 | |||
| 127 | #endif /* SDL_test_md5_h_ */ |
||
| 128 | |||
| 129 | /* vi: set ts=4 sw=4 expandtab: */ |