mesh: Add key storage

This implements internal key storage add/delete/fetch for the three
basic key types managed in Mesh: Network, Application and Device.

This key storage is separate from keys assigned to nodes within the
mesh, and are used to support Configuration Client functionality.

1 files changed, 49 insertions, 0 deletions

diff --git a/mesh/keyring.h b/mesh/keyring.h
new file mode 100644
index 000000000..167191013
--- /dev/null
+++ b/mesh/keyring.h
@@ -0,0 +1,49 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2019  Intel Corporation. All rights reserved.
+ *
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library 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
+ *  Lesser General Public License for more details.
+ *
+ */
+
+struct keyring_net_key {
+	uint16_t net_idx;
+	uint8_t phase;
+	uint8_t old_key[16];
+	uint8_t new_key[16];
+};
+
+struct keyring_app_key {
+	uint16_t app_idx;
+	uint16_t net_idx;
+	uint8_t old_key[16];
+	uint8_t new_key[16];
+};
+
+bool keyring_put_net_key(struct mesh_node *node, uint16_t net_idx,
+						struct keyring_net_key *key);
+bool keyring_get_net_key(struct mesh_node *node, uint16_t net_idx,
+						struct keyring_net_key *key);
+bool keyring_del_net_key(struct mesh_node *node, uint16_t net_idx);
+bool keyring_put_app_key(struct mesh_node *node, uint16_t app_idx,
+				uint16_t net_idx, struct keyring_app_key *key);
+bool keyring_get_app_key(struct mesh_node *node, uint16_t app_idx,
+						struct keyring_app_key *key);
+bool keyring_del_app_key(struct mesh_node *node, uint16_t app_idx);
+bool keyring_get_remote_dev_key(struct mesh_node *node, uint16_t unicast,
+							uint8_t dev_key[16]);
+bool keyring_put_remote_dev_key(struct mesh_node *node, uint16_t unicast,
+					uint8_t count, uint8_t dev_key[16]);
+bool keyring_del_remote_dev_key(struct mesh_node *node, uint16_t unicast,
+								uint8_t count);