diff --git a/arduino/beken-72xx/libraries/MD5/MD5Impl.h b/arduino/beken-72xx/libraries/MD5/MD5Impl.h
index c93f9d7..11d2134 100644
--- a/arduino/beken-72xx/libraries/MD5/MD5Impl.h
+++ b/arduino/beken-72xx/libraries/MD5/MD5Impl.h
@@ -2,4 +2,4 @@
 
 #pragma once
 
-#define LT_MD5_USE_MBEDTLS 1
+#define LT_MD5_USE_HOSTAPD 1
diff --git a/arduino/libretuya/libraries/MD5/MD5.h b/arduino/libretuya/libraries/MD5/MD5.h
index 5423ad2..88e484e 100644
--- a/arduino/libretuya/libraries/MD5/MD5.h
+++ b/arduino/libretuya/libraries/MD5/MD5.h
@@ -12,6 +12,9 @@
 #if LT_MD5_USE_MBEDTLS
 #include "MD5MbedTLSImpl.h"
 #endif
+#if LT_MD5_USE_HOSTAPD
+#include "MD5HostapdImpl.h"
+#endif
 
 // common API
 #ifdef __cplusplus
diff --git a/arduino/libretuya/libraries/MD5/MD5HostapdImpl.h b/arduino/libretuya/libraries/MD5/MD5HostapdImpl.h
new file mode 100644
index 0000000..76624da
--- /dev/null
+++ b/arduino/libretuya/libraries/MD5/MD5HostapdImpl.h
@@ -0,0 +1,14 @@
+/* Copyright (c) Kuba Szczodrzyński 2022-07-12. */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <crypto/md5_i.h>
+#define LT_MD5_CTX_T struct MD5Context
+
+#ifdef __cplusplus
+} // extern "C"
+#endif