diff --git a/Makefile b/Makefile
index 78d6a57..1236f25 100644
--- a/Makefile
+++ b/Makefile
@@ -21,9 +21,9 @@ ifeq ($(MODE),safe)
 	export TARGET	:=	SafeMode9
 endif
 BUILD		:=	build
-SOURCES		:=	source source/fatfs source/nand source/virtual source/game source/abstraction
+SOURCES		:=	source source/crypto source/fatfs source/nand source/virtual source/game source/abstraction
 DATA		:=	data
-INCLUDES	:=	source source/font source/fatfs source/nand source/virtual source/game
+INCLUDES	:=	source source/font source/crypto source/fatfs source/nand source/virtual source/game
 
 #---------------------------------------------------------------------------------
 # options for code generation
diff --git a/source/nand/aes.c b/source/crypto/aes.c
similarity index 100%
rename from source/nand/aes.c
rename to source/crypto/aes.c
diff --git a/source/nand/aes.h b/source/crypto/aes.h
similarity index 100%
rename from source/nand/aes.h
rename to source/crypto/aes.h
diff --git a/source/nand/sha.c b/source/crypto/sha.c
similarity index 100%
rename from source/nand/sha.c
rename to source/crypto/sha.c
diff --git a/source/nand/sha.h b/source/crypto/sha.h
similarity index 100%
rename from source/nand/sha.h
rename to source/crypto/sha.h