1 files changed, 78 insertions, 0 deletions

diff --git a/src/lib/util/perf_crypto_symmetric.c b/src/lib/util/perf_crypto_symmetric.c
new file mode 100644
index 000000000..9be452015
--- /dev/null
+++ b/src/lib/util/perf_crypto_symmetric.c
@@ -0,0 +1,78 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2002, 2003, 2004, 2006 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/perf_crypto_symmetric.c
+ * @brief measure performance of encryption function
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include <gauger.h>
+
+
+static void
+perfEncrypt ()
+{
+  unsigned int i;
+  char buf[64 * 1024];
+  char rbuf[64 * 1024];
+  struct GNUNET_CRYPTO_SymmetricSessionKey sk;
+  struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
+
+  GNUNET_CRYPTO_symmetric_create_session_key (&sk);
+
+  memset (buf, 1, sizeof(buf));
+  for (i = 0; i < 1024; i++)
+  {
+    memset (&iv, (int8_t) i, sizeof(iv));
+    GNUNET_CRYPTO_symmetric_encrypt (buf, sizeof(buf),
+                                     &sk, &iv,
+                                     rbuf);
+    GNUNET_CRYPTO_symmetric_decrypt (rbuf, sizeof(buf),
+                                     &sk, &iv,
+                                     buf);
+  }
+  memset (rbuf, 1, sizeof(rbuf));
+  GNUNET_assert (0 == memcmp (rbuf, buf, sizeof(buf)));
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  struct GNUNET_TIME_Absolute start;
+
+  start = GNUNET_TIME_absolute_get ();
+  perfEncrypt ();
+  printf ("Encrypt perf took %s\n",
+          GNUNET_STRINGS_relative_time_to_string (
+            GNUNET_TIME_absolute_get_duration (start),
+            GNUNET_YES));
+  GAUGER ("UTIL", "Symmetric encryption",
+          64 * 1024 / (1
+                       + GNUNET_TIME_absolute_get_duration
+                         (start).rel_value_us / 1000LL), "kb/ms");
+  return 0;
+}
+
+
+/* end of perf_crypto_aes.c */