2 This file is part of GNUnet.
3 (C) 2002, 2003, 2004, 2006, 2009 Christian Grothoff (and other contributing authors)
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.
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.
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.
22 * @author Christian Grothoff
23 * @file util/test_crypto_hash.c
24 * @brief Test for crypto_hash.c
27 #include "gnunet_common.h"
28 #include "gnunet_crypto_lib.h"
29 #include "gnunet_scheduler_lib.h"
31 static char block[65536];
33 #define FILENAME "testblock.dat"
38 struct GNUNET_HashCode h1;
39 struct GNUNET_HashCode h2;
40 struct GNUNET_CRYPTO_HashAsciiEncoded enc;
42 memset (&h1, number, sizeof (struct GNUNET_HashCode));
43 GNUNET_CRYPTO_hash_to_enc (&h1, &enc);
44 if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string ((char *) &enc, &h2))
46 printf ("enc2hash failed!\n");
49 if (0 != memcmp (&h1, &h2, sizeof (struct GNUNET_HashCode)))
59 for (i = 0; i < 255; i++)
68 struct GNUNET_HashCode h1;
69 struct GNUNET_HashCode h2;
70 struct GNUNET_HashCode d;
71 struct GNUNET_HashCode s;
72 struct GNUNET_CRYPTO_AesSessionKey skey;
73 struct GNUNET_CRYPTO_AesInitializationVector iv;
75 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &h1);
76 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &h2);
77 if (GNUNET_CRYPTO_hash_distance_u32 (&h1, &h2) !=
78 GNUNET_CRYPTO_hash_distance_u32 (&h2, &h1))
80 GNUNET_CRYPTO_hash_difference (&h1, &h2, &d);
81 GNUNET_CRYPTO_hash_sum (&h1, &d, &s);
82 if (0 != GNUNET_CRYPTO_hash_cmp (&s, &h2))
84 GNUNET_CRYPTO_hash_xor (&h1, &h2, &d);
85 GNUNET_CRYPTO_hash_xor (&h1, &d, &s);
86 if (0 != GNUNET_CRYPTO_hash_cmp (&s, &h2))
88 if (0 != GNUNET_CRYPTO_hash_xorcmp (&s, &h2, &h1))
90 if (-1 != GNUNET_CRYPTO_hash_xorcmp (&h1, &h2, &h1))
92 if (1 != GNUNET_CRYPTO_hash_xorcmp (&h1, &h2, &h2))
94 memset (&d, 0xF0, sizeof (d));
95 if (0 != GNUNET_CRYPTO_hash_get_bit (&d, 3))
97 if (1 != GNUNET_CRYPTO_hash_get_bit (&d, 6))
99 memset (&d, 0, sizeof (d));
100 GNUNET_CRYPTO_hash_to_aes_key (&d, &skey, &iv);
105 finished_task (void *cls, const struct GNUNET_HashCode * res)
108 struct GNUNET_HashCode want;
110 GNUNET_CRYPTO_hash (block, sizeof (block), &want);
111 if (0 != memcmp (res, &want, sizeof (want)))
119 file_hasher (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
121 GNUNET_assert (NULL !=
122 GNUNET_CRYPTO_hash_file (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
123 FILENAME, 1024, &finished_task, cls));
133 memset (block, 42, sizeof (block) / 2);
134 memset (&block[sizeof (block) / 2], 43, sizeof (block) / 2);
135 GNUNET_assert (NULL != (f = FOPEN (FILENAME, "w+")));
136 GNUNET_break (sizeof (block) == fwrite (block, 1, sizeof (block), f));
137 GNUNET_break (0 == FCLOSE (f));
139 GNUNET_SCHEDULER_run (&file_hasher, &ret);
140 GNUNET_break (0 == UNLINK (FILENAME));
146 main (int argc, char *argv[])
148 int failureCount = 0;
151 GNUNET_log_setup ("test-crypto-hash", "WARNING", NULL);
152 for (i = 0; i < 10; i++)
153 failureCount += testEncoding ();
154 failureCount += testArithmetic ();
155 failureCount += testFileHash ();
156 if (failureCount != 0)
161 /* end of hashingtest.c */