cx-copter-communication/source/message_coder.py

import hashlib

class message_coder:
    @staticmethod
    def type_size() -> int:
        return 2

    @staticmethod
    def hash_size() -> int:
        return 20

    @staticmethod
    def _get_hash(target: bytes) -> bytes:
        return hashlib.sha1(target, usedforsecurity = False).digest()