diff --git a/jni/libopenssl/rules.mk b/jni/libopenssl/rules.mk
new file mode 100644
index 0000000..c0c13e1
--- /dev/null
+++ b/jni/libopenssl/rules.mk
@@ -0,0 +1,30 @@
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+MODULE := $(LOCAL_DIR)
+MODULE_USER := true
+
+# get openssl_cflags
+MODULE_SRCDEPS += $(LOCAL_DIR)/build-config-trusty.mk
+include $(LOCAL_DIR)/build-config-trusty.mk
+
+# get target_c_flags, target_c_includes, target_src_files
+MODULE_SRCDEPS += $(LOCAL_DIR)/Crypto-config-trusty.mk
+TARGET_ARCH := $(ARCH)
+include $(LOCAL_DIR)/Crypto-config-trusty.mk
+
+MODULE_SRCS += $(addprefix $(LOCAL_DIR)/,$(LOCAL_SRC_FILES_arm))
+
+MODULE_CFLAGS += $(LOCAL_CFLAGS)
+MODULE_CFLAGS += -Wno-error=implicit-function-declaration
+
+# Global for other modules which include openssl headers
+GLOBAL_CFLAGS += -DOPENSSL_SYS_TRUSTY
+
+LOCAL_C_INCLUDES := $(patsubst external/openssl/%,%,$(LOCAL_C_INCLUDES))
+GLOBAL_INCLUDES += $(addprefix $(LOCAL_DIR)/,$(LOCAL_C_INCLUDES))
+
+MODULE_DEPS := \
+	lib/openssl-stubs \
+	lib/libc-trusty
+
+include make/module.mk