X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Futil%2Ftest_crypto_aes_weak.c;h=f2ddf2012574ab8af7fe378c15cfa45fe3d6e1c5;hb=72c8645af31896829b674b575c5375706f362a30;hp=73e52ba0184253a4eb83c88095db792e762af7fc;hpb=38b29592cf2e8b816cab68579e07e2477153f739;p=oweals%2Fgnunet.git

diff --git a/src/util/test_crypto_aes_weak.c b/src/util/test_crypto_aes_weak.c
index 73e52ba01..f2ddf2012 100644
--- a/src/util/test_crypto_aes_weak.c
+++ b/src/util/test_crypto_aes_weak.c
@@ -38,10 +38,11 @@ static void
 printWeakKey (struct GNUNET_CRYPTO_AesSessionKey *key)
 {
   int i;
+
   for (i = 0; i < GNUNET_CRYPTO_AES_KEY_LENGTH; i++)
-    {
-      printf ("%x ", (int) (key->key[i]));
-    }
+  {
+    printf ("%x ", (int) (key->key[i]));
+  }
 }
 
 static int
@@ -56,7 +57,7 @@ testWeakKey ()
   memset (&INITVALUE, 42,
           sizeof (struct GNUNET_CRYPTO_AesInitializationVector));
   /* sorry, this is not a weak key -- I don't have
-     any at the moment! */
+   * any at the moment! */
   weak_key.key[0] = (char) (0x4c);
   weak_key.key[1] = (char) (0x31);
   weak_key.key[2] = (char) (0xc6);
@@ -90,31 +91,29 @@ testWeakKey ()
   weak_key.key[30] = (char) (0xaa);
   weak_key.key[31] = (char) (0xaa);
   /* memset(&weak_key, 0, 32); */
-  weak_key.crc32 =
-    htonl (GNUNET_CRYPTO_crc32_n (&weak_key, GNUNET_CRYPTO_AES_KEY_LENGTH));
-
-  size = GNUNET_CRYPTO_aes_encrypt (WEAK_KEY_TESTSTRING,
-                                    strlen (WEAK_KEY_TESTSTRING) + 1,
-                                    &weak_key, &INITVALUE, result);
+  size =
+      GNUNET_CRYPTO_aes_encrypt (WEAK_KEY_TESTSTRING,
+                                 strlen (WEAK_KEY_TESTSTRING) + 1, &weak_key,
+                                 &INITVALUE, result);
 
   if (size == -1)
-    {
-      GNUNET_break (0);
-      return 1;
-    }
+  {
+    GNUNET_break (0);
+    return 1;
+  }
 
   size = GNUNET_CRYPTO_aes_decrypt (result, size, &weak_key, &INITVALUE, res);
 
   if ((strlen (WEAK_KEY_TESTSTRING) + 1) != size)
-    {
-      GNUNET_break (0);
-      return 1;
-    }
+  {
+    GNUNET_break (0);
+    return 1;
+  }
   if (0 != strcmp (res, WEAK_KEY_TESTSTRING))
-    {
-      GNUNET_break (0);
-      return 1;
-    }
+  {
+    GNUNET_break (0);
+    return 1;
+  }
   else
     return 0;
 }
@@ -131,44 +130,42 @@ getWeakKeys ()
 
   for (number_of_runs = 0; number_of_runs < MAX_WEAK_KEY_TRIALS;
        number_of_runs++)
+  {
+
+    if (number_of_runs % 1000 == 0)
+      FPRINTF (stderr, "%s",  ".");
+    /*printf("Got to run number %d.\n", number_of_runs); */
+    GNUNET_CRYPTO_aes_create_session_key (&sessionkey);
+
+    rc = gcry_cipher_open (&handle, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CFB,
+                           0);
+
+    if (rc)
     {
+      printf ("testweakkey: gcry_cipher_open failed on trial %d. %s\n",
+              number_of_runs, gcry_strerror (rc));
+      continue;
+    }
 
-      if (number_of_runs % 1000 == 0)
-        fprintf (stderr, ".");
-      /*printf("Got to run number %d.\n", number_of_runs); */
-      GNUNET_CRYPTO_aes_create_session_key (&sessionkey);
-
-      rc = gcry_cipher_open (&handle,
-                             GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CFB, 0);
-
-      if (rc)
-        {
-          printf ("testweakkey: gcry_cipher_open failed on trial %d. %s\n",
-                  number_of_runs, gcry_strerror (rc));
-          continue;
-        }
-
-      rc =
-        gcry_cipher_setkey (handle, &sessionkey,
-                            GNUNET_CRYPTO_AES_KEY_LENGTH);
-
-      if ((char) rc == GPG_ERR_WEAK_KEY)
-        {
-          printf ("\nWeak key (in hex): ");
-          printWeakKey (&sessionkey);
-          printf ("\n");
-          number_of_weak_keys++;
-        }
-      else if (rc)
-        {
-          printf ("\nUnexpected error generating keys. Error is %s\n",
-                  gcry_strerror (rc));
-        }
-
-      gcry_cipher_close (handle);
+    rc = gcry_cipher_setkey (handle, &sessionkey, GNUNET_CRYPTO_AES_KEY_LENGTH);
 
+    if ((char) rc == GPG_ERR_WEAK_KEY)
+    {
+      printf ("\nWeak key (in hex): ");
+      printWeakKey (&sessionkey);
+      printf ("\n");
+      number_of_weak_keys++;
+    }
+    else if (rc)
+    {
+      printf ("\nUnexpected error generating keys. Error is %s\n",
+              gcry_strerror (rc));
     }
 
+    gcry_cipher_close (handle);
+
+  }
+
   return number_of_weak_keys;
 }
 
@@ -178,21 +175,20 @@ main (int argc, char *argv[])
   int weak_keys;
 
   GNUNET_log_setup ("test-crypto-aes-weak", "WARNING", NULL);
-  GNUNET_CRYPTO_random_disable_entropy_gathering ();
   if (GENERATE_WEAK_KEYS)
+  {
+    weak_keys = getWeakKeys ();
+
+    if (weak_keys == 0)
+    {
+      printf ("\nNo weak keys found in %d runs.\n", MAX_WEAK_KEY_TRIALS);
+    }
+    else
     {
-      weak_keys = getWeakKeys ();
-
-      if (weak_keys == 0)
-        {
-          printf ("\nNo weak keys found in %d runs.\n", MAX_WEAK_KEY_TRIALS);
-        }
-      else
-        {
-          printf ("\n%d weak keys found in %d runs.\n",
-                  weak_keys, MAX_WEAK_KEY_TRIALS);
-        }
+      printf ("\n%d weak keys found in %d runs.\n", weak_keys,
+              MAX_WEAK_KEY_TRIALS);
     }
+  }
 
   if (testWeakKey () != 0)
     return -1;