1 files changed, 165 insertions, 0 deletions

diff --git a/src/util/test_crypto_hash.c b/src/util/test_crypto_hash.c
new file mode 100644
index 000000000..a22a0e16a
--- /dev/null
+++ b/src/util/test_crypto_hash.c
@@ -0,0 +1,165 @@
+/*
+     This file is part of GNUnet.
+     (C) 2002, 2003, 2004, 2006, 2009 Christian Grothoff (and other contributing authors)
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 2, 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
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @author Christian Grothoff
+ * @file util/test_crypto_hash.c
+ * @brief Test for crypto_hash.c
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_crypto_lib.h"
+#include "gnunet_scheduler_lib.h"
+
+static char block[65536];
+
+#define FILENAME "testblock.dat"
+
+static int
+test (int number)
+{
+  GNUNET_HashCode h1;
+  GNUNET_HashCode h2;
+  struct GNUNET_CRYPTO_HashAsciiEncoded enc;
+
+  memset (&h1, number, sizeof (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 (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 ()
+{
+  static struct GNUNET_CRYPTO_AesSessionKey zskey;
+  static struct GNUNET_CRYPTO_AesInitializationVector ziv;
+  GNUNET_HashCode h1;
+  GNUNET_HashCode h2;
+  GNUNET_HashCode d;
+  GNUNET_HashCode s;
+  struct GNUNET_CRYPTO_AesSessionKey skey;
+  struct GNUNET_CRYPTO_AesInitializationVector iv;
+
+  GNUNET_CRYPTO_hash_create_random (&h1);
+  GNUNET_CRYPTO_hash_create_random (&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);
+  if ((0 != memcmp (&skey, &zskey, sizeof (skey) - sizeof (unsigned int))) ||
+      (0 != memcmp (&iv, &ziv, sizeof (iv))))
+    return 1;
+  return 0;
+}
+
+static void
+finished_task (void *cls, const GNUNET_HashCode * res)
+{
+  int *ret = cls;
+  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, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  GNUNET_CRYPTO_hash_file (tc->sched,
+                           GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+                           GNUNET_NO, 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 */