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- /*
- This file is part of GNUnet.
- Copyright (C) 2002, 2003, 2004, 2006, 2009 GNUnet e.V.
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Affero General Public License for more details.
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- SPDX-License-Identifier: AGPL3.0-or-later
- */
- /**
- * @author Christian Grothoff
- * @file util/test_crypto_hash.c
- * @brief Test for crypto_hash.c
- */
- #include "platform.h"
- #include "gnunet_util_lib.h"
- static char block[65536];
- #define FILENAME "testblock.dat"
- static int
- test (int number)
- {
- struct GNUNET_HashCode h1;
- struct GNUNET_HashCode h2;
- struct GNUNET_CRYPTO_HashAsciiEncoded enc;
- memset (&h1, number, sizeof(struct GNUNET_HashCode));
- GNUNET_CRYPTO_hash_to_enc (&h1, &enc);
- if (GNUNET_OK != GNUNET_CRYPTO_hash_from_string ((char *) &enc, &h2))
- {
- printf ("enc2hash failed!\n");
- return 1;
- }
- if (0 != memcmp (&h1, &h2, sizeof(struct GNUNET_HashCode)))
- return 1;
- return 0;
- }
- static int
- testEncoding ()
- {
- int i;
- for (i = 0; i < 255; i++)
- if (0 != test (i))
- return 1;
- return 0;
- }
- static int
- testArithmetic ()
- {
- struct GNUNET_HashCode h1;
- struct GNUNET_HashCode h2;
- struct GNUNET_HashCode d;
- struct GNUNET_HashCode s;
- struct GNUNET_CRYPTO_SymmetricSessionKey skey;
- struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
- GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &h1);
- GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &h2);
- if (GNUNET_CRYPTO_hash_distance_u32 (&h1, &h2) !=
- GNUNET_CRYPTO_hash_distance_u32 (&h2, &h1))
- return 1;
- GNUNET_CRYPTO_hash_difference (&h1, &h2, &d);
- GNUNET_CRYPTO_hash_sum (&h1, &d, &s);
- if (0 != GNUNET_CRYPTO_hash_cmp (&s, &h2))
- return 1;
- GNUNET_CRYPTO_hash_xor (&h1, &h2, &d);
- GNUNET_CRYPTO_hash_xor (&h1, &d, &s);
- if (0 != GNUNET_CRYPTO_hash_cmp (&s, &h2))
- return 1;
- if (0 != GNUNET_CRYPTO_hash_xorcmp (&s, &h2, &h1))
- return 1;
- if (-1 != GNUNET_CRYPTO_hash_xorcmp (&h1, &h2, &h1))
- return 1;
- if (1 != GNUNET_CRYPTO_hash_xorcmp (&h1, &h2, &h2))
- return 1;
- memset (&d, 0xF0, sizeof(d));
- if (0 != GNUNET_CRYPTO_hash_get_bit (&d, 3))
- return 1;
- if (1 != GNUNET_CRYPTO_hash_get_bit (&d, 6))
- return 1;
- memset (&d, 0, sizeof(d));
- GNUNET_CRYPTO_hash_to_aes_key (&d, &skey, &iv);
- return 0;
- }
- static void
- finished_task (void *cls, const struct GNUNET_HashCode *res)
- {
- int *ret = cls;
- struct GNUNET_HashCode want;
- GNUNET_CRYPTO_hash (block, sizeof(block), &want);
- if (0 != memcmp (res, &want, sizeof(want)))
- *ret = 2;
- else
- *ret = 0;
- }
- static void
- file_hasher (void *cls)
- {
- GNUNET_assert (NULL !=
- GNUNET_CRYPTO_hash_file (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- FILENAME, 1024, &finished_task, cls));
- }
- static int
- testFileHash ()
- {
- int ret;
- FILE *f;
- memset (block, 42, sizeof(block) / 2);
- memset (&block[sizeof(block) / 2], 43, sizeof(block) / 2);
- GNUNET_assert (NULL != (f = fopen (FILENAME, "w+")));
- GNUNET_break (sizeof(block) == fwrite (block, 1, sizeof(block), f));
- GNUNET_break (0 == fclose (f));
- ret = 1;
- GNUNET_SCHEDULER_run (&file_hasher, &ret);
- GNUNET_break (0 == unlink (FILENAME));
- return ret;
- }
- int
- main (int argc, char *argv[])
- {
- int failureCount = 0;
- int i;
- GNUNET_log_setup ("test-crypto-hash", "WARNING", NULL);
- for (i = 0; i < 10; i++)
- failureCount += testEncoding ();
- failureCount += testArithmetic ();
- failureCount += testFileHash ();
- if (failureCount != 0)
- return 1;
- return 0;
- }
- /* end of hashingtest.c */
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