create escrow component

1 files changed, 116 insertions, 0 deletions

diff --git a/src/escrow/plugin_escrow_gns.c b/src/escrow/plugin_escrow_gns.c
new file mode 100644
index 000000000..3851025e6
--- /dev/null
+++ b/src/escrow/plugin_escrow_gns.c
@@ -0,0 +1,116 @@
+/*
+     This file is part of GNUnet
+     Copyright (C) 2013, 2014, 2016 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 escrow/plugin_escrow_gns.c
+ * @brief escrow-plugin-gns escrow plugin for the escrow of the key
+ *        using GNS and escrow identities
+ *
+ * @author Johannes Späth
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_escrow_plugin.h"
+#include <sss.h>
+#include <inttypes.h>
+
+
+/**
+ * Start the GNS escrow of the key
+ * 
+ * @param ego the identity ego containing the private key
+ * @param escrowAnchor the anchor needed to restore the key
+ * @return GNUNET_OK if successful
+ */
+int
+start_gns_key_escrow (const struct GNUNET_IDENTITY_Ego *ego,
+                      void *escrowAnchor)
+{
+  const struct GNUNET_CRYPTO_EcdsaPrivateKey *pk;
+
+  if (NULL == ego)
+  {
+    return GNUNET_NO;
+  }
+  pk = GNUNET_IDENTITY_ego_get_private_key (ego);
+
+  // split the private key (SSS)
+
+  // create the escrow identities
+
+  // distribute the shares to the identities
+
+
+  // TODO: implement
+  return GNUNET_NO;
+}
+
+
+/**
+ * Renew the GNS escrow of the key
+ * 
+ * @param ego the identity ego containing the private key
+ * @param escrowAnchor the anchor needed to restore the key
+ * @return GNUNET_OK if successful
+ */
+int
+renew_gns_key_escrow (const struct GNUNET_IDENTITY_Ego *ego,
+                      void *escrowAnchor)
+{
+  // TODO: implement
+  return GNUNET_NO;
+}
+
+
+/**
+ * Entry point for the plugin.
+ *
+ * @param cls NULL
+ * @return the exported block API
+ */
+void *
+libgnunet_plugin_escrow_gns_init (void *cls)
+{
+  struct GNUNET_ESCROW_KeyPluginFunctions *api;
+
+  api = GNUNET_new (struct GNUNET_ESCROW_KeyPluginFunctions);
+  api->start_key_escrow = &start_gns_key_escrow;
+  api->renew_key_escrow = &renew_gns_key_escrow;
+  return api;
+}
+
+
+/**
+ * Exit point from the plugin.
+ *
+ * @param cls the return value from #libgnunet_plugin_block_test_init()
+ * @return NULL
+ */
+void *
+libgnunet_plugin_escrow_gns_done (void *cls)
+{
+  struct GNUNET_RECLAIM_EscrowKeyPluginFunctions *api = cls;
+
+  GNUNET_free (api);
+  return NULL;
+}
+
+
+/* end of plugin_escrow_gns.c */