Adding Hello Perso source from LedgerHQ/blue-sample-apps as a starting point for exploratory experimentation.
This commit is contained in:
Christopher Sanborn
parent
a789756101
commit
2a9f413ea7
2 changed files with 654 additions and 0 deletions
80
Testing/HelloPerso_Test/Makefile
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80
Testing/HelloPerso_Test/Makefile
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#*******************************************************************************
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# Ledger Blue
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# (c) 2016 Ledger
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#*******************************************************************************
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ifeq ($(BOLOS_SDK),)
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$(error BOLOS_SDK is not set)
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endif
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include $(BOLOS_SDK)/Makefile.defines
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# Main app configuration
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APPNAME = "Hello Perso"
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APPVERSION = 1.0.0
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APP_LOAD_PARAMS = --appFlags 0x40 $(COMMON_LOAD_PARAMS)
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# Build configuration
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APP_SOURCE_PATH += src
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SDK_SOURCE_PATH += lib_stusb lib_stusb_impl
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DEFINES += APPVERSION=\"$(APPVERSION)\"
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DEFINES += OS_IO_SEPROXYHAL IO_SEPROXYHAL_BUFFER_SIZE_B=128
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DEFINES += HAVE_BAGL HAVE_SPRINTF
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DEFINES += PRINTF\(...\)=
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DEFINES += HAVE_IO_USB HAVE_L4_USBLIB IO_USB_MAX_ENDPOINTS=7 IO_HID_EP_LENGTH=64 HAVE_USB_APDU
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# Compiler, assembler, and linker
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ifneq ($(BOLOS_ENV),)
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$(info BOLOS_ENV=$(BOLOS_ENV))
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CLANGPATH := $(BOLOS_ENV)/clang-arm-fropi/bin/
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GCCPATH := $(BOLOS_ENV)/gcc-arm-none-eabi-5_3-2016q1/bin/
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else
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$(info BOLOS_ENV is not set: falling back to CLANGPATH and GCCPATH)
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endif
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ifeq ($(CLANGPATH),)
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$(info CLANGPATH is not set: clang will be used from PATH)
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endif
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ifeq ($(GCCPATH),)
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$(info GCCPATH is not set: arm-none-eabi-* will be used from PATH)
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endif
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CC := $(CLANGPATH)clang
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CFLAGS += -O3 -Os
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AS := $(GCCPATH)arm-none-eabi-gcc
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AFLAGS +=
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LD := $(GCCPATH)arm-none-eabi-gcc
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LDFLAGS += -O3 -Os
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LDLIBS += -lm -lgcc -lc
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# Main rules
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all: default
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load: all
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python -m ledgerblue.loadApp $(APP_LOAD_PARAMS)
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delete:
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python -m ledgerblue.deleteApp $(COMMON_DELETE_PARAMS)
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# Import generic rules from the SDK
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include $(BOLOS_SDK)/Makefile.rules
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574
Testing/HelloPerso_Test/src/main.c
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574
Testing/HelloPerso_Test/src/main.c
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/*******************************************************************************
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* Ledger Blue
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* (c) 2016 Ledger
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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********************************************************************************/
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#include "os.h"
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#include "cx.h"
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#include <stdbool.h>
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#include "os_io_seproxyhal.h"
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unsigned char G_io_seproxyhal_spi_buffer[IO_SEPROXYHAL_BUFFER_SIZE_B];
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static const bagl_element_t *io_seproxyhal_touch_exit(const bagl_element_t *e);
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static const bagl_element_t *io_seproxyhal_touch_next(const bagl_element_t *e);
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static const bagl_element_t *io_seproxyhal_touch_auth(const bagl_element_t *e);
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static bool derive(void);
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static void ui_idle(void);
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static char address[100];
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static unsigned int path[5];
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ux_state_t ux;
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static const char NOT_AVAILABLE[] = "Not available";
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// ********************************************************************************
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// Ledger Blue specific UI
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// ********************************************************************************
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#ifdef TARGET_BLUE
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static const bagl_element_t const bagl_ui_sample_blue[] = {
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// {
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// {type, userid, x, y, width, height, stroke, radius, fill, fgcolor,
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// bgcolor, font_id, icon_id},
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// text,
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// touch_area_brim,
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// overfgcolor,
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// overbgcolor,
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// tap,
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// out,
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// over,
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// },
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{
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{BAGL_RECTANGLE, 0x00, 0, 60, 320, 420, 0, 0, BAGL_FILL, 0xf9f9f9,
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0xf9f9f9, 0, 0},
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NULL,
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0,
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0,
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0,
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NULL,
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NULL,
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NULL,
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},
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{
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{BAGL_RECTANGLE, 0x00, 0, 0, 320, 60, 0, 0, BAGL_FILL, 0x1d2028,
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0x1d2028, 0, 0},
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NULL,
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0,
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0,
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0,
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NULL,
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NULL,
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NULL,
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},
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{
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{BAGL_LABEL, 0x00, 20, 0, 320, 60, 0, 0, BAGL_FILL, 0xFFFFFF, 0x1d2028,
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BAGL_FONT_OPEN_SANS_LIGHT_14px | BAGL_FONT_ALIGNMENT_MIDDLE, 0},
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"Hello Perso",
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0,
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0,
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0,
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NULL,
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NULL,
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NULL,
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},
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{
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{BAGL_LABEL, 0x00, 20, 100, 320, 60, 0, 0, 0, 0, 0xF9F9F9F9,
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BAGL_FONT_OPEN_SANS_LIGHT_13px | BAGL_FONT_ALIGNMENT_CENTER, 0},
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address,
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0,
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0,
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0,
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NULL,
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NULL,
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NULL,
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},
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{
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{BAGL_BUTTON | BAGL_FLAG_TOUCHABLE, 0x00, 165, 225, 120, 40, 0, 6,
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BAGL_FILL, 0x41ccb4, 0xF9F9F9, BAGL_FONT_OPEN_SANS_LIGHT_14px |
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BAGL_FONT_ALIGNMENT_CENTER | BAGL_FONT_ALIGNMENT_MIDDLE, 0},
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"EXIT",
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0,
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0x37ae99,
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0xF9F9F9,
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io_seproxyhal_touch_exit,
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NULL,
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NULL,
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},
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{
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{BAGL_BUTTON | BAGL_FLAG_TOUCHABLE, 0x00, 165, 280, 120, 40, 0, 6,
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BAGL_FILL, 0x41ccb4, 0xF9F9F9, BAGL_FONT_OPEN_SANS_LIGHT_14px |
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BAGL_FONT_ALIGNMENT_CENTER | BAGL_FONT_ALIGNMENT_MIDDLE, 0},
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"NEXT",
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0,
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0x37ae99,
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0xF9F9F9,
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io_seproxyhal_touch_next,
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NULL,
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NULL,
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},
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{
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{BAGL_BUTTON | BAGL_FLAG_TOUCHABLE, 0x00, 165, 335, 120, 40, 0, 6,
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BAGL_FILL, 0x41ccb4, 0xF9F9F9, BAGL_FONT_OPEN_SANS_LIGHT_14px |
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BAGL_FONT_ALIGNMENT_CENTER | BAGL_FONT_ALIGNMENT_MIDDLE, 0},
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"AUTH",
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0,
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0x37ae99,
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0xF9F9F9,
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io_seproxyhal_touch_auth,
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NULL,
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NULL,
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},
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};
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static unsigned int
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bagl_ui_sample_blue_button(unsigned int button_mask,
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unsigned int button_mask_counter) {
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return 0;
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}
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#endif
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// ********************************************************************************
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// Ledger Nano S specific UI
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// ********************************************************************************
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#ifdef TARGET_NANOS
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static const bagl_element_t bagl_ui_sample_nanos[] = {
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// {
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// {type, userid, x, y, width, height, stroke, radius, fill, fgcolor,
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// bgcolor, font_id, icon_id},
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// text,
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// touch_area_brim,
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// overfgcolor,
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// overbgcolor,
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// tap,
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// out,
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// over,
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// },
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{
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{BAGL_RECTANGLE, 0x00, 0, 0, 128, 32, 0, 0, BAGL_FILL, 0x000000,
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0xFFFFFF, 0, 0},
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NULL,
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0,
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0,
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0,
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NULL,
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NULL,
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NULL,
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},
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{
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{BAGL_LABELINE, 0x02, 0, 12, 128, 11, 0, 0, 0, 0xFFFFFF, 0x000000,
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BAGL_FONT_OPEN_SANS_REGULAR_11px | BAGL_FONT_ALIGNMENT_CENTER, 0},
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"Address",
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0,
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0,
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0,
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NULL,
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NULL,
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NULL,
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},
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{
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{BAGL_LABELINE, 0x02, 23, 26, 82, 11, 0x80 | 10, 0, 0, 0xFFFFFF,
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0x000000, BAGL_FONT_OPEN_SANS_EXTRABOLD_11px |
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BAGL_FONT_ALIGNMENT_CENTER, 26},
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address,
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0,
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0,
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0,
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NULL,
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NULL,
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NULL,
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},
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{
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{BAGL_ICON, 0x00, 3, 12, 7, 7, 0, 0, 0, 0xFFFFFF, 0x000000, 0,
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BAGL_GLYPH_ICON_CROSS},
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NULL,
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0,
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0,
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0,
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NULL,
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NULL,
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NULL,
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},
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{
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{BAGL_ICON, 0x00, 117, 13, 8, 6, 0, 0, 0, 0xFFFFFF, 0x000000, 0,
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BAGL_GLYPH_ICON_CHECK},
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NULL,
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0,
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0,
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0,
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NULL,
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NULL,
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NULL,
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},
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};
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static const bagl_element_t*
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bagl_ui_sample_nanos_prepro(const bagl_element_t *element) {
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switch (element->component.userid) {
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case 2:
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io_seproxyhal_setup_ticker(
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MAX(3000, 1000 + bagl_label_roundtrip_duration_ms(element, 7)));
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break;
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}
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return element;
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}
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static unsigned int
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bagl_ui_sample_nanos_button(unsigned int button_mask,
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unsigned int button_mask_counter) {
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switch (button_mask) {
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case BUTTON_EVT_RELEASED | BUTTON_LEFT:
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io_seproxyhal_touch_auth(NULL);
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break;
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case BUTTON_EVT_RELEASED | BUTTON_RIGHT:
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io_seproxyhal_touch_next(NULL);
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break;
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case BUTTON_EVT_RELEASED | BUTTON_LEFT | BUTTON_RIGHT: // EXIT
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io_seproxyhal_touch_exit(NULL);
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break;
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}
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return 0;
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}
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#endif
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static const bagl_element_t *io_seproxyhal_touch_exit(const bagl_element_t *e) {
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// Go back to the dashboard
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os_sched_exit(0);
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return NULL;
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}
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static const bagl_element_t *io_seproxyhal_touch_next(const bagl_element_t *e) {
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path[4]++;
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if (!derive()) {
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path[4]--;
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}
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ui_idle();
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return NULL;
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}
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static const bagl_element_t *io_seproxyhal_touch_auth(const bagl_element_t *e) {
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if (!os_global_pin_is_validated()) {
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bolos_ux_params_t params;
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os_memset(¶ms, 0, sizeof(params));
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params.ux_id = BOLOS_UX_VALIDATE_PIN;
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os_ux_blocking(¶ms);
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derive();
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ui_idle();
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}
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return NULL;
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}
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unsigned short io_exchange_al(unsigned char channel, unsigned short tx_len) {
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switch (channel & ~(IO_FLAGS)) {
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case CHANNEL_KEYBOARD:
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break;
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// multiplexed io exchange over a SPI channel and TLV encapsulated protocol
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case CHANNEL_SPI:
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if (tx_len) {
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io_seproxyhal_spi_send(G_io_apdu_buffer, tx_len);
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if (channel & IO_RESET_AFTER_REPLIED) {
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reset();
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}
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return 0; // nothing received from the master so far (it's a tx
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// transaction)
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} else {
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return io_seproxyhal_spi_recv(G_io_apdu_buffer,
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sizeof(G_io_apdu_buffer), 0);
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}
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default:
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THROW(INVALID_PARAMETER);
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}
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return 0;
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}
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static void ui_idle(void) {
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#ifdef TARGET_BLUE
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UX_DISPLAY(bagl_ui_sample_blue, NULL);
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#else
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UX_DISPLAY(bagl_ui_sample_nanos, bagl_ui_sample_nanos_prepro);
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#endif
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}
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static void sample_main(void) {
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volatile unsigned int rx = 0;
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volatile unsigned int tx = 0;
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volatile unsigned int flags = 0;
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// DESIGN NOTE: the bootloader ignores the way APDU are fetched. The only
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// goal is to retrieve APDU.
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// When APDU are to be fetched from multiple IOs, like NFC+USB+BLE, make
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// sure the io_event is called with a
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// switch event, before the apdu is replied to the bootloader. This avoid
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// APDU injection faults.
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for (;;) {
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volatile unsigned short sw = 0;
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BEGIN_TRY {
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TRY {
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rx = tx;
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tx = 0; // ensure no race in catch_other if io_exchange throws
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// an error
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rx = io_exchange(CHANNEL_APDU | flags, rx);
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flags = 0;
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// no apdu received, well, reset the session, and reset the
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// bootloader configuration
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if (rx == 0) {
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THROW(0x6982);
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}
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if (G_io_apdu_buffer[0] != 0x80) {
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THROW(0x6E00);
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}
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// unauthenticated instruction
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switch (G_io_apdu_buffer[1]) {
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case 0x00: // reset
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flags |= IO_RESET_AFTER_REPLIED;
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THROW(0x9000);
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break;
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case 0x01: // case 1
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THROW(0x9000);
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break;
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case 0x02: // echo
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tx = rx;
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THROW(0x9000);
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break;
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case 0xFF: // return to dashboard
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goto return_to_dashboard;
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default:
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THROW(0x6D00);
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break;
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}
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}
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CATCH_OTHER(e) {
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switch (e & 0xF000) {
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case 0x6000:
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case 0x9000:
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sw = e;
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break;
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default:
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sw = 0x6800 | (e & 0x7FF);
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break;
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}
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// Unexpected exception => report
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G_io_apdu_buffer[tx] = sw >> 8;
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G_io_apdu_buffer[tx + 1] = sw;
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tx += 2;
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}
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FINALLY {
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}
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}
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END_TRY;
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}
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return_to_dashboard:
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return;
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}
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void io_seproxyhal_display(const bagl_element_t *element) {
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io_seproxyhal_display_default((bagl_element_t *)element);
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}
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unsigned char io_event(unsigned char channel) {
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// nothing done with the event, throw an error on the transport layer if
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// needed
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// can't have more than one tag in the reply, not supported yet.
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switch (G_io_seproxyhal_spi_buffer[0]) {
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case SEPROXYHAL_TAG_FINGER_EVENT:
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UX_FINGER_EVENT(G_io_seproxyhal_spi_buffer);
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break;
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case SEPROXYHAL_TAG_BUTTON_PUSH_EVENT: // for Nano S
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UX_BUTTON_PUSH_EVENT(G_io_seproxyhal_spi_buffer);
|
||||
break;
|
||||
|
||||
case SEPROXYHAL_TAG_DISPLAY_PROCESSED_EVENT:
|
||||
if (UX_DISPLAYED()) {
|
||||
// TODO perform actions after all screen elements have been
|
||||
// displayed
|
||||
} else {
|
||||
UX_DISPLAYED_EVENT();
|
||||
}
|
||||
break;
|
||||
|
||||
case SEPROXYHAL_TAG_TICKER_EVENT:
|
||||
UX_REDISPLAY();
|
||||
break;
|
||||
|
||||
// unknown events are acknowledged
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
// close the event if not done previously (by a display or whatever)
|
||||
if (!io_seproxyhal_spi_is_status_sent()) {
|
||||
io_seproxyhal_general_status();
|
||||
}
|
||||
|
||||
// command has been processed, DO NOT reset the current APDU transport
|
||||
return 1;
|
||||
}
|
||||
|
||||
static const char BASE58ALPHABET[] = {
|
||||
'1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F',
|
||||
'G', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
|
||||
'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'm',
|
||||
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'};
|
||||
|
||||
static unsigned int encode_base58(const void *in, unsigned int length,
|
||||
char *out, unsigned int maxoutlen) {
|
||||
char tmp[164];
|
||||
char buffer[164];
|
||||
unsigned char j;
|
||||
unsigned char startAt;
|
||||
unsigned char zeroCount = 0;
|
||||
if (length > sizeof(tmp)) {
|
||||
THROW(INVALID_PARAMETER);
|
||||
}
|
||||
os_memmove(tmp, in, length);
|
||||
while ((zeroCount < length) && (tmp[zeroCount] == 0)) {
|
||||
++zeroCount;
|
||||
}
|
||||
j = 2 * length;
|
||||
startAt = zeroCount;
|
||||
while (startAt < length) {
|
||||
unsigned short remainder = 0;
|
||||
unsigned char divLoop;
|
||||
for (divLoop = startAt; divLoop < length; divLoop++) {
|
||||
unsigned short digit256 = (unsigned short)(tmp[divLoop] & 0xff);
|
||||
unsigned short tmpDiv = remainder * 256 + digit256;
|
||||
tmp[divLoop] = (unsigned char)(tmpDiv / 58);
|
||||
remainder = (tmpDiv % 58);
|
||||
}
|
||||
if (tmp[startAt] == 0) {
|
||||
++startAt;
|
||||
}
|
||||
buffer[--j] = BASE58ALPHABET[remainder];
|
||||
}
|
||||
while ((j < (2 * length)) && (buffer[j] == BASE58ALPHABET[0])) {
|
||||
++j;
|
||||
}
|
||||
while (zeroCount-- > 0) {
|
||||
buffer[--j] = BASE58ALPHABET[0];
|
||||
}
|
||||
length = 2 * length - j;
|
||||
if (maxoutlen < length) {
|
||||
THROW(EXCEPTION_OVERFLOW);
|
||||
}
|
||||
os_memmove(out, (buffer + j), length);
|
||||
return length;
|
||||
}
|
||||
|
||||
static bool derive() {
|
||||
cx_ecfp_private_key_t privateKey;
|
||||
cx_ecfp_public_key_t publicKey;
|
||||
union {
|
||||
cx_sha256_t shasha;
|
||||
cx_ripemd160_t riprip;
|
||||
} u;
|
||||
unsigned char privateKeyData[32];
|
||||
unsigned char tmp[25];
|
||||
unsigned int length;
|
||||
|
||||
if (!os_global_pin_is_validated()) {
|
||||
os_memmove(address, NOT_AVAILABLE, sizeof(NOT_AVAILABLE));
|
||||
return false;
|
||||
}
|
||||
|
||||
os_perso_derive_node_bip32(CX_CURVE_256K1, path, 5, privateKeyData, NULL);
|
||||
|
||||
cx_ecdsa_init_private_key(CX_CURVE_256K1, privateKeyData, 32, &privateKey);
|
||||
cx_ecfp_generate_pair(CX_CURVE_256K1, &publicKey, &privateKey, 1);
|
||||
publicKey.W[0] = ((publicKey.W[64] & 1) ? 0x03 : 0x02);
|
||||
cx_sha256_init(&u.shasha);
|
||||
cx_hash(&u.shasha.header, CX_LAST, publicKey.W, 33, privateKeyData);
|
||||
cx_ripemd160_init(&u.riprip);
|
||||
cx_hash(&u.riprip.header, CX_LAST, privateKeyData, 32, tmp + 1);
|
||||
tmp[0] = 0;
|
||||
cx_sha256_init(&u.shasha);
|
||||
cx_hash(&u.shasha.header, CX_LAST, tmp, 21, privateKeyData);
|
||||
cx_sha256_init(&u.shasha);
|
||||
cx_hash(&u.shasha.header, CX_LAST, privateKeyData, 32, privateKeyData);
|
||||
os_memmove(tmp + 21, privateKeyData, 4);
|
||||
length = encode_base58(tmp, sizeof(tmp), address, sizeof(address));
|
||||
address[length] = '\0';
|
||||
return true;
|
||||
}
|
||||
|
||||
__attribute__((section(".boot"))) int main(void) {
|
||||
// exit critical section
|
||||
__asm volatile("cpsie i");
|
||||
|
||||
// ensure exception will work as planned
|
||||
os_boot();
|
||||
|
||||
UX_INIT();
|
||||
|
||||
BEGIN_TRY {
|
||||
TRY {
|
||||
io_seproxyhal_init();
|
||||
|
||||
// Invalidate the current authentication to demonstrate
|
||||
// reauthentication
|
||||
// Reauthenticate with "Auth" (Blue) or left button (Nano S)
|
||||
os_global_pin_invalidate();
|
||||
|
||||
#ifdef LISTEN_BLE
|
||||
if (os_seph_features() &
|
||||
SEPROXYHAL_TAG_SESSION_START_EVENT_FEATURE_BLE) {
|
||||
BLE_power(0, NULL);
|
||||
// restart IOs
|
||||
BLE_power(1, NULL);
|
||||
}
|
||||
#endif
|
||||
|
||||
USB_power(0);
|
||||
USB_power(1);
|
||||
|
||||
path[0] = 44 | 0x80000000;
|
||||
path[1] = 0 | 0x80000000;
|
||||
path[2] = 0 | 0x80000000;
|
||||
path[3] = 0;
|
||||
path[4] = 0;
|
||||
|
||||
derive();
|
||||
ui_idle();
|
||||
|
||||
sample_main();
|
||||
}
|
||||
CATCH_OTHER(e) {
|
||||
}
|
||||
FINALLY {
|
||||
}
|
||||
}
|
||||
END_TRY;
|
||||
}
|
||||
Loading…
Reference in a new issue