diff --git a/build/components/hyena.TWL/Makefile b/build/components/hyena.TWL/Makefile
index 85f71219..90290a90 100644
--- a/build/components/hyena.TWL/Makefile
+++ b/build/components/hyena.TWL/Makefile
@@ -47,7 +47,8 @@ CCFLAGS			+=	-DSDK_NOCRYPTO
 endif
 
 ifndef TWLSDK_NOCRYPTO
-MAKELCF_FLAGS	+=	-DUSE_CRYPTO_LIBS='libaes_sp$(TWL_LIBSUFFIX).a'
+MAKELCF_FLAGS	+=	-DUSE_CRYPTO_LIBS='libsea_sp$(TWL_LIBSUFFIX).a libcrypto_sp$(TWL_LIBSUFFIX).a'
+MACRO_FLAGS		+=	-DSDK_SEA
 endif
 
 #MACRO_FLAGS		+=	-DSDK_ARM7COMP_LTD
diff --git a/build/components/hyena.TWL/src/main.c b/build/components/hyena.TWL/src/main.c
index da5884c5..5127af28 100644
--- a/build/components/hyena.TWL/src/main.c
+++ b/build/components/hyena.TWL/src/main.c
@@ -41,6 +41,9 @@
 #include    "nvram_sp.h"
 #include    "pm_pmic.h"
 #include    "internal_api.h"
+#ifdef SDK_SEA
+#include    <twl/sea.h>
+#endif  // ifdef SDK_SEA
 
 /*---------------------------------------------------------------------------*
     定数定義
@@ -173,6 +176,9 @@ TwlSpMain(void)
         InitializeNwm();      // NWM 初期化
 #ifndef SDK_NOCRYPTO
         AES_Init();           // AES 初期化
+#ifdef SDK_SEA
+        SEA_Init();
+#endif  // ifdef SDK_SEA
 #endif
         MCU_InitIrq(THREAD_PRIO_MCU);  // MCU 初期化
     }