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Diffstat (limited to 'src/util/test_crypto_hash.c')
-rw-r--r-- | src/util/test_crypto_hash.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/util/test_crypto_hash.c b/src/util/test_crypto_hash.c new file mode 100644 index 000000000..a22a0e16a --- /dev/null +++ b/src/util/test_crypto_hash.c | |||
@@ -0,0 +1,165 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2002, 2003, 2004, 2006, 2009 Christian Grothoff (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 2, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @author Christian Grothoff | ||
23 | * @file util/test_crypto_hash.c | ||
24 | * @brief Test for crypto_hash.c | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_common.h" | ||
28 | #include "gnunet_crypto_lib.h" | ||
29 | #include "gnunet_scheduler_lib.h" | ||
30 | |||
31 | static char block[65536]; | ||
32 | |||
33 | #define FILENAME "testblock.dat" | ||
34 | |||
35 | static int | ||
36 | test (int number) | ||
37 | { | ||
38 | GNUNET_HashCode h1; | ||
39 | GNUNET_HashCode h2; | ||
40 | struct GNUNET_CRYPTO_HashAsciiEncoded enc; | ||
41 | |||
42 | memset (&h1, number, sizeof (GNUNET_HashCode)); | ||
43 | GNUNET_CRYPTO_hash_to_enc (&h1, &enc); | ||
44 | if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string ((char *) &enc, &h2)) | ||
45 | { | ||
46 | printf ("enc2hash failed!\n"); | ||
47 | return 1; | ||
48 | } | ||
49 | if (0 != memcmp (&h1, &h2, sizeof (GNUNET_HashCode))) | ||
50 | return 1; | ||
51 | return 0; | ||
52 | } | ||
53 | |||
54 | static int | ||
55 | testEncoding () | ||
56 | { | ||
57 | int i; | ||
58 | for (i = 0; i < 255; i++) | ||
59 | if (0 != test (i)) | ||
60 | return 1; | ||
61 | return 0; | ||
62 | } | ||
63 | |||
64 | static int | ||
65 | testArithmetic () | ||
66 | { | ||
67 | static struct GNUNET_CRYPTO_AesSessionKey zskey; | ||
68 | static struct GNUNET_CRYPTO_AesInitializationVector ziv; | ||
69 | GNUNET_HashCode h1; | ||
70 | GNUNET_HashCode h2; | ||
71 | GNUNET_HashCode d; | ||
72 | GNUNET_HashCode s; | ||
73 | struct GNUNET_CRYPTO_AesSessionKey skey; | ||
74 | struct GNUNET_CRYPTO_AesInitializationVector iv; | ||
75 | |||
76 | GNUNET_CRYPTO_hash_create_random (&h1); | ||
77 | GNUNET_CRYPTO_hash_create_random (&h2); | ||
78 | if (GNUNET_CRYPTO_hash_distance_u32 (&h1, &h2) != | ||
79 | GNUNET_CRYPTO_hash_distance_u32 (&h2, &h1)) | ||
80 | return 1; | ||
81 | GNUNET_CRYPTO_hash_difference (&h1, &h2, &d); | ||
82 | GNUNET_CRYPTO_hash_sum (&h1, &d, &s); | ||
83 | if (0 != GNUNET_CRYPTO_hash_cmp (&s, &h2)) | ||
84 | return 1; | ||
85 | GNUNET_CRYPTO_hash_xor (&h1, &h2, &d); | ||
86 | GNUNET_CRYPTO_hash_xor (&h1, &d, &s); | ||
87 | if (0 != GNUNET_CRYPTO_hash_cmp (&s, &h2)) | ||
88 | return 1; | ||
89 | if (0 != GNUNET_CRYPTO_hash_xorcmp (&s, &h2, &h1)) | ||
90 | return 1; | ||
91 | if (-1 != GNUNET_CRYPTO_hash_xorcmp (&h1, &h2, &h1)) | ||
92 | return 1; | ||
93 | if (1 != GNUNET_CRYPTO_hash_xorcmp (&h1, &h2, &h2)) | ||
94 | return 1; | ||
95 | memset (&d, 0xF0, sizeof (d)); | ||
96 | if (0 != GNUNET_CRYPTO_hash_get_bit (&d, 3)) | ||
97 | return 1; | ||
98 | if (1 != GNUNET_CRYPTO_hash_get_bit (&d, 6)) | ||
99 | return 1; | ||
100 | memset (&d, 0, sizeof (d)); | ||
101 | GNUNET_CRYPTO_hash_to_AES_key (&d, &skey, &iv); | ||
102 | if ((0 != memcmp (&skey, &zskey, sizeof (skey) - sizeof (unsigned int))) || | ||
103 | (0 != memcmp (&iv, &ziv, sizeof (iv)))) | ||
104 | return 1; | ||
105 | return 0; | ||
106 | } | ||
107 | |||
108 | static void | ||
109 | finished_task (void *cls, const GNUNET_HashCode * res) | ||
110 | { | ||
111 | int *ret = cls; | ||
112 | GNUNET_HashCode want; | ||
113 | |||
114 | GNUNET_CRYPTO_hash (block, sizeof (block), &want); | ||
115 | if (0 != memcmp (res, &want, sizeof (want))) | ||
116 | *ret = 2; | ||
117 | else | ||
118 | *ret = 0; | ||
119 | } | ||
120 | |||
121 | |||
122 | static void | ||
123 | file_hasher (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) | ||
124 | { | ||
125 | GNUNET_CRYPTO_hash_file (tc->sched, | ||
126 | GNUNET_SCHEDULER_PRIORITY_DEFAULT, | ||
127 | GNUNET_NO, FILENAME, 1024, &finished_task, cls); | ||
128 | } | ||
129 | |||
130 | |||
131 | static int | ||
132 | testFileHash () | ||
133 | { | ||
134 | int ret; | ||
135 | FILE *f; | ||
136 | |||
137 | memset (block, 42, sizeof (block) / 2); | ||
138 | memset (&block[sizeof (block) / 2], 43, sizeof (block) / 2); | ||
139 | GNUNET_assert (NULL != (f = fopen (FILENAME, "w+"))); | ||
140 | GNUNET_break (sizeof (block) == fwrite (block, 1, sizeof (block), f)); | ||
141 | GNUNET_break (0 == fclose (f)); | ||
142 | ret = 1; | ||
143 | GNUNET_SCHEDULER_run (&file_hasher, &ret); | ||
144 | GNUNET_break (0 == UNLINK (FILENAME)); | ||
145 | return ret; | ||
146 | } | ||
147 | |||
148 | |||
149 | int | ||
150 | main (int argc, char *argv[]) | ||
151 | { | ||
152 | int failureCount = 0; | ||
153 | int i; | ||
154 | |||
155 | GNUNET_log_setup ("test-crypto-hash", "WARNING", NULL); | ||
156 | for (i = 0; i < 10; i++) | ||
157 | failureCount += testEncoding (); | ||
158 | failureCount += testArithmetic (); | ||
159 | failureCount += testFileHash (); | ||
160 | if (failureCount != 0) | ||
161 | return 1; | ||
162 | return 0; | ||
163 | } | ||
164 | |||
165 | /* end of hashingtest.c */ | ||