include/SDL_test_md5.h
author Sam Lantinga <slouken@libsdl.org>
Mon, 23 Oct 2017 23:35:04 -0700
changeset 11651 bfeaa433980c
parent 10737 3406a0f8b041
child 11811 5d94cb6b24d3
permissions -rw-r--r--
Removed unneeded file automatically generated by Android Studio
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2017 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: */