def do_sign(args):
if args.rsa_pkcs1_15:
keys.sign_rsa_pss = False
version_num = next_version_number(args, version.decode_version("0"),
"lastVerNum.txt")
if args.security_counter is None:
# Security counter has not been explicitly provided,
# generate it from the version number
args.security_counter = ((version_num.major << 24) +
(version_num.minor << 16) +
version_num.revision)
img = image.Image.load(args.infile,
version=version_num,
header_size=args.header_size,
security_cnt=args.security_counter,
included_header=args.included_header,
pad=args.pad)
key = keys.load(args.key) if args.key else None
img.sign(key, find_load_address(args))
if args.pad:
img.pad_to(args.pad, args.align)
img.save(args.outfile)
def do_sign(args):
if args.rsa_pkcs1_15:
keys.sign_rsa_pss = False
version_num = next_version_number(args, version.decode_version("0"),
"lastVerNum.txt")
if args.security_counter is None:
# Security counter has not been explicitly provided,
# generate it from the version number
args.security_counter = ((version_num.major << 24) +
(version_num.minor << 16) +
version_num.revision)
pad_size = macro_parser.evaluate_macro(args.layout, sign_bin_size_re, 0, 1)
img = image.Image.load(args.infile,
version=version_num,
header_size=args.header_size,
security_cnt=args.security_counter,
included_header=args.included_header,
pad=pad_size)
key = keys.load(args.key, args.public_key_format) if args.key else None
ram_load_address = macro_parser.evaluate_macro(args.layout,
image_load_address_re, 0, 1)
img.sign(key, ram_load_address, args.dependencies)
if pad_size:
img.pad_to(pad_size, args.align)
img.save(args.outfile)
def get_last_version(path):
if (os.path.isfile(path) == False): # Version file not present
return None
else: # Version file is present, check it has a valid number inside it
with open(path, "r") as oldFile:
fileContents = oldFile.read()
if version.version_re.match(fileContents): # number is valid
return version.decode_version(fileContents)
else:
return None
def do_sign(args):
if args.rsa_pkcs1_15:
keys.sign_rsa_pss = False
img = image.Image.load(args.infile,
version=next_version_number(
args, version.decode_version("0"),
"lastVerNum.txt"),
header_size=args.header_size,
included_header=args.included_header,
pad=args.pad)
key = keys.load(args.key) if args.key else None
img.sign(key, find_load_address(args))
if args.pad:
img.pad_to(args.pad, args.align)
img.save(args.outfile)
def get_dependencies(text):
if text is not None:
versions = []
images = re.findall(r"\((\d+)", text)
if len(images) == 0:
msg = "Image dependency format is invalid: {}".format(text)
raise argparse.ArgumentTypeError(msg)
raw_versions = re.findall(r",\s*([0-9.+]+)\)", text)
if len(images) != len(raw_versions):
msg = '''There's a mismatch between the number of dependency images
and versions in: {}'''.format(text)
raise argparse.ArgumentTypeError(msg)
for raw_version in raw_versions:
try:
versions.append(version.decode_version(raw_version))
except ValueError as e:
print(e)
dependencies = dict()
dependencies[image.DEP_IMAGES_KEY] = images
dependencies[image.DEP_VERSIONS_KEY] = versions
return dependencies