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 it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your 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 Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
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 */