From ee4077ef8001e0570a0333ed6b24c69eb2504760 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <grothoff@gnunet.org>
Date: Mon, 28 Mar 2022 13:19:21 +0200
Subject: starting with purse creation client API

---
 src/util/Makefile.am       |  1 +
 src/util/crypto_contract.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 src/util/crypto_contract.c

(limited to 'src/util')

diff --git a/src/util/Makefile.am b/src/util/Makefile.am
index a24f081b5..8ef9e146d 100644
--- a/src/util/Makefile.am
+++ b/src/util/Makefile.am
@@ -80,6 +80,7 @@ libtalerutil_la_SOURCES = \
   auditor_signatures.c \
   config.c \
   crypto.c \
+  crypto_contract.c \
   crypto_helper_common.c crypto_helper_common.h \
   crypto_helper_rsa.c \
   crypto_helper_cs.c \
diff --git a/src/util/crypto_contract.c b/src/util/crypto_contract.c
new file mode 100644
index 000000000..7f684d80a
--- /dev/null
+++ b/src/util/crypto_contract.c
@@ -0,0 +1,47 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2022 Taler Systems SA
+
+  TALER 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.
+
+  TALER 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
+  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file util/crypto_contract.c
+ * @brief functions for encrypting and decrypting contracts for P2P payments
+ * @author Christian Grothoff <christian@grothoff.org>
+ */
+#include "platform.h"
+#include "taler_util.h"
+
+
+void
+TALER_CRYPTO_contract_encrypt_for_merge (
+  const struct TALER_PurseContractPublicKeyP *purse_pub,
+  const struct TALER_ContractDiffiePrivateP *contract_priv,
+  const struct TALER_PurseMergePrivateKeyP *merge_priv,
+  const json_t *contract_terms,
+  void **econtract,
+
+  size_t *econtract_size)
+{
+}
+
+
+json_t *
+TALER_CRYPTO_contract_decrypt_for_merge (
+  const struct TALER_ContractDiffiePrivateP *contract_priv,
+  const struct TALER_PurseContractPublicKeyP *purse_pub,
+  const void *econtract,
+  size_t econtract_size,
+  struct TALER_PurseMergePrivateKeyP *merge_priv)
+{
+  return NULL;
+}
-- 
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