1 files changed, 180 insertions, 0 deletions

diff --git a/src/util/test_crypto_aes.c b/src/util/test_crypto_aes.c
new file mode 100644
index 000000000..cdae243e0
--- /dev/null
+++ b/src/util/test_crypto_aes.c
@@ -0,0 +1,180 @@
+/*
+     This file is part of GNUnet.
+     (C) 2002, 2003, 2004, 2006 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_aes.c
+ * @brief test for AES ciphers
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_crypto_lib.h"
+
+#define TESTSTRING "Hello World!"
+#define INITVALUE "InitializationVectorValue"
+
+static int
+testSymcipher ()
+{
+  struct GNUNET_CRYPTO_AesSessionKey key;
+  char result[100];
+  int size;
+  char res[100];
+
+  GNUNET_CRYPTO_aes_create_session_key (&key);
+  size = GNUNET_CRYPTO_aes_encrypt (TESTSTRING,
+                                    strlen (TESTSTRING) + 1,
+                                    &key,
+                                    (const struct
+                                     GNUNET_CRYPTO_AesInitializationVector *)
+                                    INITVALUE, result);
+  if (size == -1)
+    {
+      printf ("symciphertest failed: encryptBlock returned %d\n", size);
+      return 1;
+    }
+  size = GNUNET_CRYPTO_aes_decrypt (&key,
+                                    result, size,
+                                    (const struct
+                                     GNUNET_CRYPTO_AesInitializationVector *)
+                                    INITVALUE, res);
+  if (strlen (TESTSTRING) + 1 != size)
+    {
+      printf ("symciphertest failed: decryptBlock returned %d\n", size);
+      return 1;
+    }
+  if (0 != strcmp (res, TESTSTRING))
+    {
+      printf ("symciphertest failed: %s != %s\n", res, TESTSTRING);
+      return 1;
+    }
+  else
+    return 0;
+}
+
+int
+verifyCrypto ()
+{
+  struct GNUNET_CRYPTO_AesSessionKey key;
+  char result[GNUNET_CRYPTO_AES_KEY_LENGTH];
+  char *res;
+  int ret;
+
+  unsigned char plain[] =
+    { 29, 128, 192, 253, 74, 171, 38, 187, 84, 219, 76, 76, 209, 118, 33, 249,
+    172, 124, 96, 9, 157, 110, 8, 215, 200, 63, 69, 230, 157, 104, 247, 164
+  };
+  unsigned char raw_key[] =
+    { 106, 74, 209, 88, 145, 55, 189, 135, 125, 180, 225, 108, 183, 54, 25,
+    169, 129, 188, 131, 75, 227, 245, 105, 10, 225, 15, 115, 159, 148, 184,
+    34, 191
+  };
+  unsigned char encrresult[] =
+    { 167, 102, 230, 233, 127, 195, 176, 107, 17, 91, 199, 127, 96, 113, 75,
+    195, 245, 217, 61, 236, 159, 165, 103, 121, 203, 99, 202, 41, 23, 222, 25,
+    102, 1
+  };
+
+  res = NULL;
+  ret = 0;
+
+  memcpy (key.key, raw_key, GNUNET_CRYPTO_AES_KEY_LENGTH);
+  key.crc32 =
+    htonl (GNUNET_CRYPTO_crc32_n (&key, GNUNET_CRYPTO_AES_KEY_LENGTH));
+
+  if (ntohl (key.crc32) != (unsigned int) 38125195LL)
+    {
+      printf ("Static key has different CRC: %u - %u\n",
+              ntohl (key.crc32), key.crc32);
+
+      ret = 1;
+      goto error;
+    }
+
+  if (GNUNET_CRYPTO_AES_KEY_LENGTH !=
+      GNUNET_CRYPTO_aes_encrypt (plain,
+                                 GNUNET_CRYPTO_AES_KEY_LENGTH,
+                                 &key,
+                                 (const struct
+                                  GNUNET_CRYPTO_AesInitializationVector *)
+                                 "testtesttesttest", result))
+    {
+      printf ("Wrong return value from encrypt block.\n");
+      ret = 1;
+      goto error;
+    }
+
+  if (memcmp (encrresult, result, GNUNET_CRYPTO_AES_KEY_LENGTH) != 0)
+    {
+      printf ("Encrypted result wrong.\n");
+      ret = 1;
+      goto error;
+    }
+
+  res = GNUNET_malloc (GNUNET_CRYPTO_AES_KEY_LENGTH);
+
+  if (GNUNET_CRYPTO_AES_KEY_LENGTH !=
+      GNUNET_CRYPTO_aes_decrypt (&key,
+                                 result,
+                                 GNUNET_CRYPTO_AES_KEY_LENGTH,
+                                 (const struct
+                                  GNUNET_CRYPTO_AesInitializationVector *)
+                                 "testtesttesttest", res))
+    {
+      printf ("Wrong return value from decrypt block.\n");
+      ret = 1;
+      goto error;
+    }
+
+  if (memcmp (res, plain, GNUNET_CRYPTO_AES_KEY_LENGTH) != 0)
+    {
+      printf ("Decrypted result does not match input.\n");
+
+      ret = 1;
+    }
+
+error:
+
+  GNUNET_free_non_null (res);
+
+  return ret;
+}
+
+int
+main (int argc, char *argv[])
+{
+  int failureCount = 0;
+
+  GNUNET_log_setup ("test-crypto-aes", "WARNING", NULL);
+  GNUNET_CRYPTO_random_disable_entropy_gathering ();
+  GNUNET_assert (strlen (INITVALUE) >
+                 sizeof (struct GNUNET_CRYPTO_AesInitializationVector));
+  failureCount += testSymcipher ();
+  failureCount += verifyCrypto ();
+
+  if (failureCount != 0)
+    {
+      printf ("%d TESTS FAILED!\n", failureCount);
+      return -1;
+    }
+  return 0;
+}
+
+/* end of test_crypto_aes.c */