Added test for encrypted update over UART on STM32WB55

Author: danielinux

tools/test-enc.mk

@@ -0,0 +1,37 @@
+ENC_TEST_UPDATE_VERSION=2
+SIGN_ARGS=
+KEYGEN_TOOL=python3 ./tools/keytools/keygen.py
+SIGN_TOOL=python3 ./tools/keytools/sign.py
+SIGN_ARGS+=--ecc256 --encrypt /tmp/enc_key.der
+SIGN_ENC_ARGS+=--ecc256 --encrypt /tmp/enc_key.der
+USBTTY=/dev/ttyACM0
+TIMEOUT=60
+
+.config:
+	@rm -f $@
+	@echo [CONFIG]
+	@cp config/examples/stm32wb-uart-flash-encryption.config $@
+
+
+tools/uart-flash-server/ufserver: FORCE
+	@make -C `dirname $@`
+	@rm -f src/libwolfboot.o
+
+test-enc-update: factory.bin test-app/image.bin .config tools/uart-flash-server/ufserver FORCE
+	@echo -n "0123456789abcdef0123456789abcdef" > /tmp/enc_key.der
+	@$(SIGN_TOOL) $(SIGN_ARGS) test-app/image.bin $(PRIVATE_KEY) $(ENC_TEST_UPDATE_VERSION)
+	@$(SIGN_TOOL) $(SIGN_ENC_ARGS) test-app/image.bin $(PRIVATE_KEY) $(ENC_TEST_UPDATE_VERSION)
+	@st-flash write factory.bin 0x08000000
+	@sleep 2
+	@sudo true
+	@(sudo tools/uart-flash-server/ufserver test-app/image_v$(ENC_TEST_UPDATE_VERSION)_signed_and_encrypted.bin $(USBTTY))&
+	@sleep 5
+	@st-flash reset
+	@sleep $(TIMEOUT)
+	@sudo killall ufserver
+	@st-flash read boot.bin 0x08010000 0x1000
+	@dd if=test-app/image_v$(ENC_TEST_UPDATE_VERSION)_signed.bin of=boot_compare.bin bs=4096 count=1
+	@diff boot.bin boot_compare.bin || (echo "TEST FAILED" && exit 1)
+	@rm boot.bin boot_compare.bin
+	@echo "TEST SUCCESSFUL"
+