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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/>.
*/
/**
* @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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