diff --git a/auth.h b/auth.h
new file mode 100644
index 0000000..c6a444a
--- /dev/null
+++ b/auth.h
@@ -0,0 +1,9 @@
+#ifndef AUTH_H
+#define AUTH_H
+
+#include <string>
+#include "user.h"
+
+int authentifier(std::string login, std::string password);
+
+#endif
\ No newline at end of file