Home | History | Annotate | Download | only in win 
      1 /*
      2  * Copyright (C) 2007 Apple, Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "MD5.h"
     31 
     32 #include <windows.h>
     33 
     34 typedef void (WINAPI*initPtr)(MD5_CTX*);
     35 typedef void (WINAPI*updatePtr)(MD5_CTX*, unsigned char*, unsigned);
     36 typedef void (WINAPI*finalPtr)(MD5_CTX*);
     37 
     38 static HMODULE cryptDLL()
     39 {
     40     static HMODULE module = LoadLibraryW(L"Cryptdll.dll");
     41     return module;
     42 }
     43 
     44 static initPtr init()
     45 {
     46     static initPtr ptr = reinterpret_cast<initPtr>(GetProcAddress(cryptDLL(), "MD5Init"));
     47     return ptr;
     48 }
     49 
     50 static updatePtr update()
     51 {
     52     static updatePtr ptr = reinterpret_cast<updatePtr>(GetProcAddress(cryptDLL(), "MD5Update"));
     53     return ptr;
     54 }
     55 
     56 static finalPtr final()
     57 {
     58     static finalPtr ptr = reinterpret_cast<finalPtr>(GetProcAddress(cryptDLL(), "MD5Final"));
     59     return ptr;
     60 }
     61 
     62 void MD5_Init(MD5_CTX* context)
     63 {
     64     init()(context);
     65 }
     66 
     67 void MD5_Update(MD5_CTX* context, unsigned char* input, unsigned length)
     68 {
     69     update()(context, input, length);
     70 }
     71 
     72 void MD5_Final(unsigned char hash[16], MD5_CTX* context)
     73 {
     74     final()(context);
     75 
     76     for (int i = 0; i < 16; ++i)
     77         hash[i] = context->digest[i];
     78 }
     79