def test_sb1x_parse(data_dir):
# insufficient size
with pytest.raises(ValueError):
SecureBootV1.parse(b'')
# invalid signature/tag
with pytest.raises(ValueError):
SecureBootV1.parse(b'0' * 1024)
def test_sb1x_parse():
# insufficient size
with pytest.raises(SPSDKError):
SecureBootV1.parse(b"")
# invalid signature/tag
with pytest.raises(SPSDKError):
SecureBootV1.parse(b"0" * 1024)
def write_sb(cpu_params: CpuParams, image_file_name: str, img: SecureBootV1) -> None:
"""Write SB image to the external flash
The method behaviour depends on TEST_IMG_CONTENT:
- if True (TEST MODE), the method generates the image and compare with previous version
- if False (PRODUCTION), the method generates the image and burn into FLASH
:param cpu_params: processor specific parameters of the test
:param image_file_name: of the image to be written (including file extension)
:param img: image instance to be written
"""
path = os.path.join(cpu_params.data_dir, OUTPUT_IMAGES_SUBDIR, image_file_name)
dbg_info = DebugInfo()
img_data = img.export(dbg_info=dbg_info,
# use the following parameters only for unit test
header_padding8=b'\xdb\x00\x76\x7a\xf4\x81\x0b\x86',
auth_padding=b'\x36\x72\xf4\x99\x92\x05\x34\xd2\xd5\x17\xa0\xf7')
write_dbg_log(cpu_params.data_dir, image_file_name, dbg_info.lines, TEST_IMG_CONTENT)
if TEST_IMG_CONTENT:
assert img.info() # quick check info prints non-empty output
compare_bin_files(path, img_data)
img = SecureBootV1.parse(b'0' + img_data, 1)
dbg_info2 = DebugInfo()
img_data2 = img.export(dbg_info=dbg_info2, header_padding8=b'\xdb\x00\x76\x7a\xf4\x81\x0b\x86',
auth_padding=b'\x36\x72\xf4\x99\x92\x05\x34\xd2\xd5\x17\xa0\xf7')
assert dbg_info.lines == dbg_info2.lines
assert img_data == img_data2
else:
with open(path, 'wb') as f:
f.write(img_data)
mboot = init_flashloader(cpu_params)
assert mboot.receive_sb_file(img_data)
mboot.close()
def test_sb1x_basic(data_dir):
"""Basic test of SB 1.x"""
img = SecureBootV1(version='1.0')
assert img.info()
img = SecureBootV1(version='1.2')
assert img.info()
with pytest.raises(ValueError):
img.export() # missing bootable section
assert len(img.sections) == 0
img.append(BootSectionV1(0, SecureBootFlagsV1.ROM_SECTION_BOOTABLE))
img.append(BootSectionV1(1))
img.append(BootSectionV1(2, SecureBootFlagsV1.ROM_SECTION_BOOTABLE))
assert len(img.sections) == 3
data = img.export()
assert data
assert len(data) == img.size
assert SecureBootV1.parse(data)
