[PATCH v5 2/3] shared/gatt-client:Add CSRK part to support signed write

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---
 src/shared/gatt-client.c | 21 ++++++++++++++++-----
 src/shared/gatt-client.h |  4 ++++
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/src/shared/gatt-client.c b/src/shared/gatt-client.c
index 8689368..0d406f5 100644
--- a/src/shared/gatt-client.c
+++ b/src/shared/gatt-client.c
@@ -1987,19 +1987,20 @@ bool bt_gatt_client_read_long_value(struct bt_gatt_client *client,
 bool bt_gatt_client_write_without_response(struct bt_gatt_client *client,
 					uint16_t value_handle,
 					bool signed_write,
-					uint8_t *value, uint16_t length) {
+					uint8_t *value, uint16_t length)
+{
 	uint8_t pdu[2 + length];
 
 	if (!client)
 		return 0;
 
-	/* TODO: Support this once bt_att_send supports signed writes. */
-	if (signed_write)
-		return 0;
-
 	put_le16(value_handle, pdu);
 	memcpy(pdu + 2, value, length);
 
+	if (signed_write)
+		return bt_att_send(client->att, BT_ATT_OP_SIGNED_WRITE_CMD,
+					pdu, sizeof(pdu), NULL, NULL, NULL);
+
 	return bt_att_send(client->att, BT_ATT_OP_WRITE_CMD, pdu, sizeof(pdu),
 							NULL, NULL, NULL);
 }
@@ -2480,3 +2481,13 @@ bool bt_gatt_client_unregister_notify(struct bt_gatt_client *client,
 	client->need_notify_cleanup = true;
 	return true;
 }
+
+bool bt_gatt_client_set_local_csrk(struct bt_gatt_client *client,
+				uint32_t local_sign_cnt,
+				uint8_t local_key[16])
+{
+	if (!client)
+		return false;
+
+	return bt_att_set_local_csrk(client->att, local_sign_cnt, local_key);
+}
diff --git a/src/shared/gatt-client.h b/src/shared/gatt-client.h
index adccfc5..5429576 100644
--- a/src/shared/gatt-client.h
+++ b/src/shared/gatt-client.h
@@ -171,3 +171,7 @@ bool bt_gatt_client_register_notify(struct bt_gatt_client *client,
 				bt_gatt_client_destroy_func_t destroy);
 bool bt_gatt_client_unregister_notify(struct bt_gatt_client *client,
 							unsigned int id);
+
+bool bt_gatt_client_set_local_csrk(struct bt_gatt_client *client,
+				uint32_t local_sign_cnt,
+				uint8_t local_key[16]);
-- 
1.9.1

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