1 /*
2  * Unit tests for MD5 functions
3  *
4  * Copyright 2004 Hans Leidekker
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #include <stdio.h>
22 
23 #include "wine/test.h"
24 #include "windef.h"
25 #include "winbase.h"
26 #include "winerror.h"
27 
28 typedef struct
29 {
30     unsigned int i[2];
31     unsigned int buf[4];
32     unsigned char in[64];
33     unsigned char digest[16];
34 } MD5_CTX;
35 
36 static VOID (WINAPI *pMD5Init)( MD5_CTX *ctx );
37 static VOID (WINAPI *pMD5Update)( MD5_CTX *ctx, const unsigned char *src, const int len );
38 static VOID (WINAPI *pMD5Final)( MD5_CTX *ctx );
39 
40 #define ctxcmp( a, b ) memcmp( a, b, FIELD_OFFSET( MD5_CTX, in ) )
41 
42 static void test_md5_ctx(void)
43 {
44     static unsigned char message[] =
45         "In our Life there's If"
46         "In our beliefs there's Lie"
47         "In our business there is Sin"
48         "In our bodies, there is Die";
49 
50     int size = sizeof(message) - 1;
51     HMODULE module;
52 
53     MD5_CTX ctx;
54     MD5_CTX ctx_initialized =
55     {
56         { 0, 0 },
57         { 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476 }
58     };
59 
60     MD5_CTX ctx_update1 =
61     {
62         { 0x00000338, 0 },
63         { 0x068cb64d, 0xb7a05790, 0x426979ee, 0xed67e221 }
64     };
65 
66     MD5_CTX ctx_update2 =
67     {
68         { 0x00000670, 0 },
69         { 0x2f7afe58, 0xcc3e9315, 0x709c465c, 0xbf6414c8 }
70     };
71 
72     unsigned char expect[16] =
73         { 0x43, 0x03, 0xdd, 0x8c, 0x60, 0xd9, 0x3a, 0x22,
74           0x0b, 0x28, 0xd0, 0xb2, 0x65, 0x93, 0xd0, 0x36 };
75 
76     module = GetModuleHandleA("advapi32.dll");
77 
78     pMD5Init = (void *)GetProcAddress( module, "MD5Init" );
79     pMD5Update = (void *)GetProcAddress( module, "MD5Update" );
80     pMD5Final = (void *)GetProcAddress( module, "MD5Final" );
81 
82     if (!pMD5Init || !pMD5Update || !pMD5Final)
83     {
84         win_skip("Needed functions are not available\n");
85         return;
86     }
87 
88     memset( &ctx, 0, sizeof(ctx) );
89     pMD5Init( &ctx );
90     ok( !ctxcmp( &ctx, &ctx_initialized ), "invalid initialization\n" );
91 
92     pMD5Update( &ctx, message, size );
93     ok( !ctxcmp( &ctx, &ctx_update1 ), "update doesn't work correctly\n" );
94 
95     pMD5Update( &ctx, message, size );
96     ok( !ctxcmp( &ctx, &ctx_update2 ), "update doesn't work correctly\n" );
97 
98     pMD5Final( &ctx );
99     ok( ctxcmp( &ctx, &ctx_initialized ), "context has changed\n" );
100     ok( !memcmp( ctx.digest, expect, sizeof(expect) ), "incorrect result\n" );
101 }
102 
103 START_TEST(crypt_md5)
104 {
105     test_md5_ctx();
106 }
107