1 files changed, 133 insertions, 0 deletions

diff --git a/src/lib/util/perf_crypto_asymmetric.c b/src/lib/util/perf_crypto_asymmetric.c
new file mode 100644
index 000000000..c033a02ca
--- /dev/null
+++ b/src/lib/util/perf_crypto_asymmetric.c
@@ -0,0 +1,133 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2015 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 Bart Polot
+ * @file util/perf_crypto_asymmetric.c
+ * @brief measure performance of public key functions
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include <gauger.h>
+
+static struct GNUNET_TIME_Absolute start;
+
+#define l 500
+
+struct TestSig
+{
+  struct GNUNET_CRYPTO_EccSignaturePurpose purp;
+  struct GNUNET_HashCode h;
+  struct GNUNET_CRYPTO_EddsaSignature sig;
+};
+
+
+static void
+log_duration (const char *cryptosystem,
+              const char *description)
+{
+  struct GNUNET_TIME_Relative t;
+  char s[64];
+
+  sprintf (s, "%6s %15s", cryptosystem, description);
+  t = GNUNET_TIME_absolute_get_duration (start);
+  t = GNUNET_TIME_relative_divide (t, l);
+  fprintf (stdout,
+           "%s: %10s\n",
+           s,
+           GNUNET_STRINGS_relative_time_to_string (t,
+                                                   GNUNET_NO));
+  GAUGER ("UTIL", s, t.rel_value_us, "us");
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  int i;
+  struct GNUNET_CRYPTO_EcdhePrivateKey ecdhe[l];
+  struct GNUNET_CRYPTO_EcdhePublicKey dhpub[l];
+  struct GNUNET_CRYPTO_EddsaPrivateKey eddsa[l];
+  struct GNUNET_CRYPTO_EddsaPublicKey dspub[l];
+  struct TestSig sig[l];
+
+  start = GNUNET_TIME_absolute_get ();
+  for (i = 0; i < l; i++)
+  {
+    sig[i].purp.purpose = 0;
+    sig[i].purp.size = htonl (sizeof(struct GNUNET_CRYPTO_EccSignaturePurpose)
+                              + sizeof(struct GNUNET_HashCode));
+    GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
+                                &sig[i].h,
+                                sizeof(sig[i].h));
+  }
+  log_duration ("", "Init");
+
+  start = GNUNET_TIME_absolute_get ();
+  for (i = 0; i < l; i++)
+    GNUNET_CRYPTO_eddsa_key_create (&eddsa[i]);
+  log_duration ("EdDSA", "create key");
+
+  start = GNUNET_TIME_absolute_get ();
+  for (i = 0; i < l; i++)
+    GNUNET_CRYPTO_eddsa_key_get_public (&eddsa[i], &dspub[i]);
+  log_duration ("EdDSA", "get public");
+
+  start = GNUNET_TIME_absolute_get ();
+  for (i = 0; i < l; i++)
+    GNUNET_assert (GNUNET_OK ==
+                   GNUNET_CRYPTO_eddsa_sign_ (&eddsa[i],
+                                              &sig[i].purp,
+                                              &sig[i].sig));
+  log_duration ("EdDSA", "sign HashCode");
+
+  start = GNUNET_TIME_absolute_get ();
+  for (i = 0; i < l; i++)
+    GNUNET_assert (GNUNET_OK ==
+                   GNUNET_CRYPTO_eddsa_verify_ (0,
+                                                &sig[i].purp,
+                                                &sig[i].sig,
+                                                &dspub[i]));
+  log_duration ("EdDSA", "verify HashCode");
+
+  start = GNUNET_TIME_absolute_get ();
+  for (i = 0; i < l; i++)
+    GNUNET_CRYPTO_ecdhe_key_create (&ecdhe[i]);
+  log_duration ("ECDH", "create key");
+
+  start = GNUNET_TIME_absolute_get ();
+  for (i = 0; i < l; i++)
+    GNUNET_CRYPTO_ecdhe_key_get_public (&ecdhe[i], &dhpub[i]);
+  log_duration ("ECDH", "get public");
+
+  start = GNUNET_TIME_absolute_get ();
+  for (i = 0; i < l - 1; i += 2)
+  {
+    GNUNET_CRYPTO_ecc_ecdh (&ecdhe[i], &dhpub[i + 1], &sig[i].h);
+    GNUNET_CRYPTO_ecc_ecdh (&ecdhe[i + 1], &dhpub[i], &sig[i + 1].h);
+  }
+  log_duration ("ECDH", "do DH");
+
+  return 0;
+}
+
+
+/* end of perf_crypto_asymmetric.c */