mcuboot/scripts/imgtool/keys/general.py

36 lines
1.3 KiB
Python

"""General key class."""
import sys
AUTOGEN_MESSAGE = "/* Autogenerated by imgtool.py, do not edit. */"
class KeyClass(object):
def _public_emit(self, header, trailer, indent, file=sys.stdout, len_format=None):
print(AUTOGEN_MESSAGE, file=file)
print(header, end='', file=file)
encoded = self.get_public_bytes()
for count, b in enumerate(encoded):
if count % 8 == 0:
print("\n" + indent, end='', file=file)
else:
print(" ", end='', file=file)
print("0x{:02x},".format(b), end='', file=file)
print("\n" + trailer, file=file)
if len_format is not None:
print(len_format.format(len(encoded)), file=file)
def emit_c(self, file=sys.stdout):
self._public_emit(
header="const unsigned char {}_pub_key[] = {{".format(self.shortname()),
trailer="};",
indent=" ",
len_format="const unsigned int {}_pub_key_len = {{}};".format(self.shortname()),
file=file)
def emit_rust(self, file=sys.stdout):
self._public_emit(
header="static {}_PUB_KEY: &'static [u8] = &[".format(self.shortname().upper()),
trailer="];",
indent=" ",
file=file)