| """General key class.""" |
| |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| import sys |
| |
| AUTOGEN_MESSAGE = "/* Autogenerated by imgtool.py, do not edit. */" |
| |
| class KeyClass(object): |
| def _emit(self, header, trailer, encoded_bytes, indent, file=sys.stdout, len_format=None): |
| print(AUTOGEN_MESSAGE, file=file) |
| print(header, end='', file=file) |
| for count, b in enumerate(encoded_bytes): |
| 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_bytes)), file=file) |
| |
| def emit_c_public(self, file=sys.stdout): |
| self._emit( |
| header="const unsigned char {}_pub_key[] = {{".format(self.shortname()), |
| trailer="};", |
| encoded_bytes=self.get_public_bytes(), |
| indent=" ", |
| len_format="const unsigned int {}_pub_key_len = {{}};".format(self.shortname()), |
| file=file) |
| |
| def emit_rust_public(self, file=sys.stdout): |
| self._emit( |
| header="static {}_PUB_KEY: &[u8] = &[".format(self.shortname().upper()), |
| trailer="];", |
| encoded_bytes=self.get_public_bytes(), |
| indent=" ", |
| file=file) |
| |
| def emit_private(self, minimal, file=sys.stdout): |
| self._emit( |
| header="const unsigned char enc_priv_key[] = {", |
| trailer="};", |
| encoded_bytes=self.get_private_bytes(minimal), |
| indent=" ", |
| len_format="const unsigned int enc_priv_key_len = {};", |
| file=file) |