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sign the esp images as well

master
George Hotz 2017-04-27 22:11:54 -07:00
parent 234a514b46
commit df7f90f6fc
3 changed files with 12 additions and 6 deletions
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2
board/build.mk
View File

@ -61,7 +61,7 @@ obj/$(PROJ_NAME).bin: obj/$(STARTUP_FILE).o obj/main.$(PROJ_NAME).o
# hack
$(CC) -Wl,--section-start,.isr_vector=0x8004000 $(CFLAGS) -o obj/$(PROJ_NAME).elf $^
$(OBJCOPY) -v -O binary obj/$(PROJ_NAME).elf obj/code.bin
../crypto/sign.py obj/code.bin $@ $(CERT)
SETLEN=1 ../crypto/sign.py obj/code.bin $@ $(CERT)
obj/bootstub.$(PROJ_NAME).bin: obj/$(STARTUP_FILE).o obj/bootstub.$(PROJ_NAME).o obj/sha.o obj/rsa.o
$(CC) $(CFLAGS) -o obj/bootstub.$(PROJ_NAME).elf $^

6
boardesp/Makefile
View File

@ -6,6 +6,8 @@ LDFLAGS = -Teagle.app.v6.ld
OBJCP = xtensa-lx106-elf-objcopy
SDK_BASE = esp-open-sdk/ESP8266_NONOS_SDK_V1.5.4_16_05_20
CERT = ../certs/debugesp
flash: user1.bin
#./tools/esptool.py write_flash 0 $(SDK_BASE)/bin/boot_v1.5.bin 0x01000 user1.bin 0x81000 user2.bin 0x3FE000 $(SDK_BASE)/bin/blank.bin
./tools/esptool.py write_flash 0 $(SDK_BASE)/bin/boot_v1.5.bin 0x01000 user1.bin 0x3FE000 $(SDK_BASE)/bin/blank.bin
@ -30,7 +32,7 @@ user1.bin: proxy.o tcp_ota.o st_ota.o elm327.o webserver.o ../crypto/sha.c ../cr
$(OBJCP) --only-section .irom0.text -O binary a.out eagle.app.v6.irom0text.bin
COMPILE=gcc python ./esp-open-sdk/ESP8266_NONOS_SDK_V1.5.4_16_05_20/tools/gen_appbin.py a.out 2 0 32 4 0
rm -f eagle.app.v6.*.bin
mv eagle.app.flash.bin $@
../crypto/sign.py eagle.app.flash.bin $@ $(CERT)
user2.bin: proxy.o tcp_ota.o st_ota.o elm327.o webserver.o ../crypto/sha.c ../crypto/rsa.c
$(CC) $(CFLAGS) $^ -o a.out -L$(SDK_BASE)/ld -T$(SDK_BASE)/ld/eagle.app.v6.new.1024.app2.ld $(LDLIBS)
@ -40,7 +42,7 @@ user2.bin: proxy.o tcp_ota.o st_ota.o elm327.o webserver.o ../crypto/sha.c ../cr
$(OBJCP) --only-section .irom0.text -O binary a.out eagle.app.v6.irom0text.bin
COMPILE=gcc python ./esp-open-sdk/ESP8266_NONOS_SDK_V1.5.4_16_05_20/tools/gen_appbin.py a.out 2 0 32 4 0
rm -f eagle.app.v6.*.bin
mv eagle.app.flash.bin $@
../crypto/sign.py eagle.app.flash.bin $@ $(CERT)
ota: user1.bin user2.bin
./tools/tcp_flash.py 192.168.0.10 user1.bin user2.bin

10
crypto/sign.py
View File

@ -13,9 +13,13 @@ with open(sys.argv[1]) as f:
print "signing", len(dat), "bytes"
with open(sys.argv[2], "wb") as f:
x = struct.pack("I", len(dat)) + dat[4:]
# mock signature of dat[4:]
dd = hashlib.sha1(dat[4:]).digest()
if os.getenv("SETLEN") is not None:
x = struct.pack("I", len(dat)) + dat[4:]
# mock signature of dat[4:]
dd = hashlib.sha1(dat[4:]).digest()
else:
x = dat
dd = hashlib.sha1(dat).digest()
dd = "\x00\x01" + "\xff"*0x69 + "\x00" + dd
rsa_out = pow(int(dd.encode("hex"), 16), rsa.d, rsa.n)
sig = (hex(rsa_out)[2:-1].rjust(0x100, '0')).decode("hex")