2 This file is part of GNUnet.
3 Copyright (C) 2002, 2003, 2004, 2006, 2009 GNUnet e.V.
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 3, or (at your
8 option) any later version.
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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.
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., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
22 * @author Christian Grothoff
23 * @file util/test_crypto_hash.c
24 * @brief Test for crypto_hash.c
27 #include "gnunet_util_lib.h"
29 static char block[65536];
31 #define FILENAME "testblock.dat"
36 struct GNUNET_HashCode h1;
37 struct GNUNET_HashCode h2;
38 struct GNUNET_CRYPTO_HashAsciiEncoded enc;
40 memset (&h1, number, sizeof (struct GNUNET_HashCode));
41 GNUNET_CRYPTO_hash_to_enc (&h1, &enc);
42 if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string ((char *) &enc, &h2))
44 printf ("enc2hash failed!\n");
47 if (0 != memcmp (&h1, &h2, sizeof (struct GNUNET_HashCode)))
57 for (i = 0; i < 255; i++)
66 struct GNUNET_HashCode h1;
67 struct GNUNET_HashCode h2;
68 struct GNUNET_HashCode d;
69 struct GNUNET_HashCode s;
70 struct GNUNET_CRYPTO_SymmetricSessionKey skey;
71 struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
73 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &h1);
74 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &h2);
75 if (GNUNET_CRYPTO_hash_distance_u32 (&h1, &h2) !=
76 GNUNET_CRYPTO_hash_distance_u32 (&h2, &h1))
78 GNUNET_CRYPTO_hash_difference (&h1, &h2, &d);
79 GNUNET_CRYPTO_hash_sum (&h1, &d, &s);
80 if (0 != GNUNET_CRYPTO_hash_cmp (&s, &h2))
82 GNUNET_CRYPTO_hash_xor (&h1, &h2, &d);
83 GNUNET_CRYPTO_hash_xor (&h1, &d, &s);
84 if (0 != GNUNET_CRYPTO_hash_cmp (&s, &h2))
86 if (0 != GNUNET_CRYPTO_hash_xorcmp (&s, &h2, &h1))
88 if (-1 != GNUNET_CRYPTO_hash_xorcmp (&h1, &h2, &h1))
90 if (1 != GNUNET_CRYPTO_hash_xorcmp (&h1, &h2, &h2))
92 memset (&d, 0xF0, sizeof (d));
93 if (0 != GNUNET_CRYPTO_hash_get_bit (&d, 3))
95 if (1 != GNUNET_CRYPTO_hash_get_bit (&d, 6))
97 memset (&d, 0, sizeof (d));
98 GNUNET_CRYPTO_hash_to_aes_key (&d, &skey, &iv);
103 finished_task (void *cls, const struct GNUNET_HashCode * res)
106 struct GNUNET_HashCode want;
108 GNUNET_CRYPTO_hash (block, sizeof (block), &want);
109 if (0 != memcmp (res, &want, sizeof (want)))
117 file_hasher (void *cls)
119 GNUNET_assert (NULL !=
120 GNUNET_CRYPTO_hash_file (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
121 FILENAME, 1024, &finished_task, cls));
131 memset (block, 42, sizeof (block) / 2);
132 memset (&block[sizeof (block) / 2], 43, sizeof (block) / 2);
133 GNUNET_assert (NULL != (f = FOPEN (FILENAME, "w+")));
134 GNUNET_break (sizeof (block) == fwrite (block, 1, sizeof (block), f));
135 GNUNET_break (0 == FCLOSE (f));
137 GNUNET_SCHEDULER_run (&file_hasher, &ret);
138 GNUNET_break (0 == UNLINK (FILENAME));
144 main (int argc, char *argv[])
146 int failureCount = 0;
149 GNUNET_log_setup ("test-crypto-hash", "WARNING", NULL);
150 for (i = 0; i < 10; i++)
151 failureCount += testEncoding ();
152 failureCount += testArithmetic ();
153 failureCount += testFileHash ();
154 if (failureCount != 0)
159 /* end of hashingtest.c */