[gnunet] branch master updated: add test for ecdsa ecdh

[gnunet]

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martin-schanzenbach pushed a commit to branch master
in repository gnunet.

The following commit(s) were added to refs/heads/master by this push:
     new 2111817ee add test for ecdsa ecdh
2111817ee is described below

commit 2111817ee190b99561f067277c3b081da27e2afa
Author: Schanzenbach, Martin <address@hidden>
AuthorDate: Mon Jan 6 16:46:32 2020 +0900

    add test for ecdsa ecdh
---
 src/util/Makefile.am              |  8 ++++
 src/util/test_crypto_ecdh_ecdsa.c | 97 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 105 insertions(+)

diff --git a/src/util/Makefile.am b/src/util/Makefile.am
index 0f6251f96..387f22a9f 100644
--- a/src/util/Makefile.am
+++ b/src/util/Makefile.am
@@ -298,6 +298,7 @@ check_PROGRAMS = \
  test_crypto_eddsa \
  test_crypto_ecdhe \
  test_crypto_ecdh_eddsa \
+ test_crypto_ecdh_ecdsa \
  test_crypto_ecc_dlog \
  test_crypto_hash \
  test_crypto_hash_context \
@@ -476,6 +477,13 @@ test_crypto_ecdh_eddsa_LDADD = \
  libgnunetutil.la \
  $(LIBGCRYPT_LIBS)
 
+test_crypto_ecdh_ecdsa_SOURCES = \
+ test_crypto_ecdh_ecdsa.c
+test_crypto_ecdh_ecdsa_LDADD = \
+ libgnunetutil.la \
+ $(LIBGCRYPT_LIBS)
+
+
 test_crypto_hash_SOURCES = \
  test_crypto_hash.c
 test_crypto_hash_LDADD = \
diff --git a/src/util/test_crypto_ecdh_ecdsa.c 
b/src/util/test_crypto_ecdh_ecdsa.c
new file mode 100644
index 000000000..8a581ef73
--- /dev/null
+++ b/src/util/test_crypto_ecdh_ecdsa.c
@@ -0,0 +1,97 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2002-2015 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
+
+ */
+/**
+ * @file util/test_crypto_ecdh_ecdsa.c
+ * @brief testcase for ECC DH key exchange with ECDSA private keys.
+ * @author Christian Grothoff
+ * @author Bart Polot
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include <gcrypt.h>
+
+
+static int
+test_ecdh ()
+{
+  struct GNUNET_CRYPTO_EcdsaPrivateKey *priv_dsa;
+  struct GNUNET_CRYPTO_EcdhePrivateKey *priv_ecdh;
+  struct GNUNET_CRYPTO_EcdsaPublicKey id1;
+  struct GNUNET_CRYPTO_EcdhePublicKey id2;
+  struct GNUNET_HashCode dh[2];
+
+  /* Generate keys */
+  priv_dsa = GNUNET_CRYPTO_ecdsa_key_create ();
+  GNUNET_CRYPTO_ecdsa_key_get_public (priv_dsa,
+                                      &id1);
+  for (unsigned int j = 0; j < 4; j++)
+  {
+    fprintf (stderr, ",");
+    priv_ecdh = GNUNET_CRYPTO_ecdhe_key_create ();
+    /* Extract public keys */
+    GNUNET_CRYPTO_ecdhe_key_get_public (priv_ecdh,
+                                        &id2);
+    /* Do ECDH */
+    GNUNET_assert (GNUNET_OK ==
+                   GNUNET_CRYPTO_ecdsa_ecdh (priv_dsa,
+                                             &id2,
+                                             &dh[0]));
+    GNUNET_assert (GNUNET_OK ==
+                   GNUNET_CRYPTO_ecdh_ecdsa (priv_ecdh,
+                                             &id1,
+                                             &dh[1]));
+    /* Check that both DH results are equal. */
+    GNUNET_assert (0 == memcmp (&dh[0],
+                                &dh[1],
+                                sizeof(struct GNUNET_HashCode)));
+    GNUNET_free (priv_ecdh);
+  }
+  GNUNET_free (priv_dsa);
+  return 0;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  if (! gcry_check_version ("1.6.0"))
+  {
+    fprintf (stderr,
+             _ (
+               "libgcrypt has not the expected version (version %s is 
required).\n"),
+             "1.6.0");
+    return 0;
+  }
+  if (getenv ("GNUNET_GCRYPT_DEBUG"))
+    gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1u, 0);
+  GNUNET_log_setup ("test-crypto-ecdh-ecdsa", "WARNING", NULL);
+  for (unsigned int i = 0; i < 4; i++)
+  {
+    fprintf (stderr,
+             ".");
+    if (0 != test_ecdh ())
+      return 1;
+  }
+  return 0;
+}
+
+
+/* end of test_crypto_ecdh_ecdsa.c */

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