1 /*
2  * Copyright (C) 2005, 2010-2021 Free Software Foundation, Inc.
3  * Written by Simon Josefsson
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3, or (at your option)
8  * any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, see <https://www.gnu.org/licenses/>.  */
17 
18 #include <config.h>
19 
20 #include "gc.h"
21 
22 #include <stdio.h>
23 #include <string.h>
24 
25 int
main(int argc,char * argv[])26 main (int argc, char *argv[])
27 {
28   Gc_rc rc;
29   gc_hash_handle h;
30 
31   rc = gc_init ();
32   if (rc != GC_OK)
33     {
34       printf ("gc_init() failed\n");
35       return 1;
36     }
37 
38   /* Test vectors from RFC 1321. */
39 
40   {
41     char *in = "abcdefghijklmnopqrstuvwxyz";
42     size_t inlen = strlen (in);
43     char *expect =
44       "\xc3\xfc\xd3\xd7\x61\x92\xe4\x00\x7d\xfb\x49\x6c\xca\x67\xe1\x3b";
45     char out[16];
46     const char *p;
47 
48     /* MD5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3d76192e4007dfb496cca67e13b */
49 
50     if (gc_md5 (in, inlen, out) != 0)
51       {
52         printf ("gc_md5 call failed\n");
53         return 1;
54       }
55 
56     if (memcmp (out, expect, 16) != 0)
57       {
58         size_t i;
59         printf ("md5 1 mismatch. expected:\n");
60         for (i = 0; i < 16; i++)
61           printf ("%02x ", expect[i] & 0xFF);
62         printf ("\ncomputed:\n");
63         for (i = 0; i < 16; i++)
64           printf ("%02x ", out[i] & 0xFF);
65         printf ("\n");
66         return 1;
67       }
68 
69     if (gc_hash_buffer (GC_MD5, in, inlen, out) != 0)
70       {
71         printf ("gc_hash_buffer(MD5) call failed\n");
72         return 1;
73       }
74 
75     if (memcmp (out, expect, 16) != 0)
76       {
77         size_t i;
78         printf ("md5 2 mismatch. expected:\n");
79         for (i = 0; i < 16; i++)
80           printf ("%02x ", expect[i] & 0xFF);
81         printf ("\ncomputed:\n");
82         for (i = 0; i < 16; i++)
83           printf ("%02x ", out[i] & 0xFF);
84         printf ("\n");
85         return 1;
86       }
87 
88     if (gc_hash_digest_length (GC_MD5) != 16)
89       {
90         printf ("gc_hash_digest_length (GC_MD5) failed\n");
91         return 1;
92       }
93 
94     if ((rc = gc_hash_open (GC_MD5, 0, &h)) != GC_OK)
95       {
96         printf ("gc_hash_open(GC_MD5) failed (%d)\n", rc);
97         return 1;
98       }
99 
100     gc_hash_write (h, inlen, in);
101 
102     p = gc_hash_read (h);
103 
104     if (!p)
105       {
106         printf ("gc_hash_read failed\n");
107         return 1;
108       }
109 
110     if (memcmp (p, expect, 16) != 0)
111         {
112         size_t i;
113         printf ("md5 3 mismatch. expected:\n");
114         for (i = 0; i < 16; i++)
115           printf ("%02x ", expect[i] & 0xFF);
116         printf ("\ncomputed:\n");
117         for (i = 0; i < 16; i++)
118           printf ("%02x ", p[i] & 0xFF);
119         printf ("\n");
120         return 1;
121       }
122 
123     gc_hash_close (h);
124   }
125 
126   gc_done ();
127 
128   return 0;
129 }
130