diff --git a/aes.h b/aes.h
new file mode 100644
index 0000000..309d1d6
--- /dev/null
+++ b/aes.h
@@ -0,0 +1,8 @@
+#ifndef _AES_H_
+#define _AES_H_
+
+#include <stdint.h>
+
+void AES128_ECB(uint8_t* input, uint8_t* key, uint8_t *output);
+
+#endif //_AES_H_