1 files changed, 55 insertions, 0 deletions

diff --git a/src/util/test_crypto_paillier.c b/src/util/test_crypto_paillier.c
new file mode 100644
index 000000000..f380b56f0
--- /dev/null
+++ b/src/util/test_crypto_paillier.c
@@ -0,0 +1,55 @@
+/*
+     This file is part of GNUnet.
+     (C) 2014 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_paillier.c
+ * @brief testcase paillier crypto
+ * @author Florian Dold
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include <gcrypt.h>
+
+
+int
+main (int argc, char *argv[])
+{
+  struct GNUNET_CRYPTO_PaillierPlaintext plaintext;
+  struct GNUNET_CRYPTO_PaillierPlaintext plaintext_result;
+  struct GNUNET_CRYPTO_PaillierCiphertext ciphertext;
+  struct GNUNET_CRYPTO_PaillierPublicKey public_key;
+  struct GNUNET_CRYPTO_PaillierPrivateKey private_key;
+
+  GNUNET_CRYPTO_paillier_create (&public_key, &private_key);
+
+  GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, &plaintext, sizeof plaintext);
+  plaintext.bits[0] = 0;
+
+  GNUNET_CRYPTO_paillier_encrypt (&public_key, &plaintext, &ciphertext);
+
+  GNUNET_CRYPTO_paillier_decrypt (&private_key, &public_key,
+                                  &ciphertext, &plaintext_result);
+
+  if (0 != memcmp (&plaintext, &plaintext_result, sizeof plaintext))
+    return 1;
+  return 0;
+}
+
+/* end of test_crypto_paillier.c */