diff --git a/include/decrypter.h b/include/decrypter.h
new file mode 100644
index 0000000..1bfb115
--- /dev/null
+++ b/include/decrypter.h
@@ -0,0 +1,4 @@
+#ifndef WHY2_DECRYPTER_H
+#define WHY2_DECRYPTER_H
+
+#endif
\ No newline at end of file
diff --git a/src/decrypter.c b/src/decrypter.c
new file mode 100644
index 0000000..e69de29