1 files changed, 7 insertions, 2 deletions
diff --git a/door_lock/cmd.h b/door_lock/cmd.h
index de9d4b0..c31f197 100644
--- a/door_lock/cmd.h
+++ b/door_lock/cmd.h
@@ -1,8 +1,13 @@
 #ifndef SA_CMD_H
 #define SA_CMD_H
 
-int is_ulock_cmd(const char *s);
+enum command {
+	DOOR_LOCK,
+	DOOR_UNLOCK
+};
 
-char * get_encrypted_ulock_cmd(void);
+int is_valid_cmd(const char *s, enum command c);
+
+char * get_cmd_hash(enum command c);
 
 #endif /* SA_CMD_H */