-get test to work, but with ecdsa instead of eddsa

1 files changed, 141 insertions, 0 deletions

diff --git a/src/util/test_crypto_ecdh_ecdsa.c b/src/util/test_crypto_ecdh_ecdsa.c
new file mode 100644
index 000000000..8eb2055ae
--- /dev/null
+++ b/src/util/test_crypto_ecdh_ecdsa.c
@@ -0,0 +1,141 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2002-2015 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 3, 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.
+
+*/
+/**
+ * @file util/test_crypto_ecdh_ecdsa.c
+ * @brief testcase for ECC DH key exchange with EdDSA private keys.
+ * @author Christian Grothoff
+ * @author Bart Polot
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include <gcrypt.h>
+
+
+static int
+test_pk()
+{
+  struct GNUNET_CRYPTO_EcdsaPrivateKey *priv1;
+  struct GNUNET_CRYPTO_EcdhePrivateKey priv2;
+  struct GNUNET_CRYPTO_EcdsaPublicKey pub1;
+  struct GNUNET_CRYPTO_EcdhePublicKey pub2;
+  struct GNUNET_CRYPTO_EcdhePublicKey pub1c;
+
+  /* Generate, cast keys */
+  priv1 = GNUNET_CRYPTO_ecdsa_key_create ();
+  memcpy (&priv2,
+          priv1,
+          sizeof (priv2));
+
+  /* Extract public keys */
+  GNUNET_CRYPTO_ecdsa_key_get_public (priv1, &pub1);
+  GNUNET_CRYPTO_ecdhe_key_get_public (&priv2, &pub2);
+
+  GNUNET_CRYPTO_ecdsa_public_to_ecdhe (&pub1, &pub1c);
+  if (0 == memcmp (&pub1c,
+                   &pub2,
+                   sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey)))
+  {
+    GNUNET_free (priv1);
+    return 0;
+  }
+  GNUNET_free (priv1);
+  return 1;
+}
+
+
+static int
+test_ecdh()
+{
+  struct GNUNET_CRYPTO_EcdsaPrivateKey *priv_dsa1;
+  struct GNUNET_CRYPTO_EcdsaPrivateKey *priv_dsa2;
+  struct GNUNET_CRYPTO_EcdsaPublicKey id1;
+  struct GNUNET_CRYPTO_EcdsaPublicKey id2;
+  struct GNUNET_CRYPTO_EcdhePublicKey id1c;
+  struct GNUNET_CRYPTO_EcdhePublicKey id2c;
+
+  struct GNUNET_CRYPTO_EcdhePrivateKey *priv1;
+  struct GNUNET_CRYPTO_EcdhePrivateKey *priv2;
+  struct GNUNET_CRYPTO_EcdhePublicKey pub2;
+  struct GNUNET_HashCode dh[3];
+
+  /* Generate, cast keys */
+  priv_dsa1 = GNUNET_CRYPTO_ecdsa_key_create ();
+  priv_dsa2 = GNUNET_CRYPTO_ecdsa_key_create ();
+  priv1 = (struct GNUNET_CRYPTO_EcdhePrivateKey *) priv_dsa1;
+  priv2 = (struct GNUNET_CRYPTO_EcdhePrivateKey *) priv_dsa2;
+
+  /* Extract public keys */
+  GNUNET_CRYPTO_ecdsa_key_get_public (priv_dsa1, &id1);
+  GNUNET_CRYPTO_ecdsa_key_get_public (priv_dsa2, &id2);
+  GNUNET_CRYPTO_ecdhe_key_get_public (priv2, &pub2);
+
+  /* Do ECDH */
+  GNUNET_CRYPTO_ecdsa_public_to_ecdhe (&id2,
+                                       &id2c);
+  GNUNET_CRYPTO_ecdsa_public_to_ecdhe (&id1,
+                                       &id1c);
+  GNUNET_CRYPTO_ecc_ecdh (priv1,
+                          &id2c,
+                          &dh[0]);
+  GNUNET_CRYPTO_ecc_ecdh (priv2,
+                          &id1c,
+                          &dh[1]);
+  GNUNET_CRYPTO_ecc_ecdh (priv1, &pub2, &dh[2]);
+
+  /* Check that both DH results are equal. */
+  GNUNET_assert (0 == memcmp (&dh[0], &dh[1],
+                              sizeof (struct GNUNET_HashCode)));
+
+  /* FIXME: Maybe it should be the same as with ECDHE. */
+  // GNUNET_assert (0 == memcmp (&dh[1], &dh[2],
+  //                            sizeof (struct GNUNET_HashCode)));
+  // GNUNET_assert (0 == memcmp (&id1, &pub1,
+  //                            sizeof (struct GNUNET_CRYPTO_EcdhePublicKey)));
+
+  /* Free */
+  GNUNET_free (priv1);
+  GNUNET_free (priv2);
+  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);
+  if (0 != test_pk())
+    return 1;
+  if (0 != test_ecdh())
+    return 1;
+  return 0;
+}
+
+
+/* end of test_crypto_ecdh_ecdsa.c */