diff --git a/src/cw/keys.h b/src/cw/keys.h
new file mode 100644
index 00000000..d7b6a461
--- /dev/null
+++ b/src/cw/keys.h
@@ -0,0 +1,13 @@
+#ifndef __KEYS_H
+#define __KEYS_H
+
+#define CW_KEY_HARDWARE "hardware"
+#define CW_KEY_SOFTWARE "software"
+#define CW_KEY_BOOTLOADER "bootloader"
+#define CW_KEY_OTHER_SOFTWARE "other_software"
+
+#define CW_KEY_VENDOR "vendor"
+#define CW_KEY_VERSION "version"
+
+#endif
+