1 files changed, 67 insertions, 0 deletions

diff --git a/src/service/nse/perf_kdf.c b/src/service/nse/perf_kdf.c
new file mode 100644
index 000000000..10207675f
--- /dev/null
+++ b/src/service/nse/perf_kdf.c
@@ -0,0 +1,67 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2002, 2003, 2004, 2006, 2013 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 nse/perf_kdf.c
+ * @brief measure performance of KDF hash function
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include <gcrypt.h>
+#include <gauger.h>
+
+
+static void
+perfHash ()
+{
+  struct GNUNET_HashCode hc;
+  char buf[64];
+  struct GNUNET_CRYPTO_PowSalt salt = { "gnunet-nse-proof" };
+
+  memset (buf, 1, sizeof(buf));
+  for (unsigned int i = 0; i < 1024; i++)
+    GNUNET_CRYPTO_pow_hash (&salt,
+                            buf,
+                            sizeof(buf),
+                            &hc);
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  struct GNUNET_TIME_Absolute start;
+
+  start = GNUNET_TIME_absolute_get ();
+  perfHash ();
+  printf ("Hash perf took %s\n",
+          GNUNET_STRINGS_relative_time_to_string (
+            GNUNET_TIME_absolute_get_duration (start),
+            GNUNET_YES));
+  GAUGER ("NSE", "Proof-of-work hashing",
+          1024.0 / (1.0
+                    + GNUNET_TIME_absolute_get_duration
+                      (start).rel_value_us / 1000.0), "hashes/ms");
+  return 0;
+}
+
+
+/* end of perf_kdf.c */