def make_dummy_signature(algorithm_id):
if algorithm_id == <NUM_LIT:1>:<EOL><INDENT>return b'<STR_LIT:\x00>' * <NUM_LIT><EOL><DEDENT>elif algorithm_id == <NUM_LIT:2>:<EOL><INDENT>return b'<STR_LIT:\x00>' * <NUM_LIT><EOL><DEDENT>else:<EOL><INDENT>raise ValueError("<STR_LIT>" % algorithm_id)<EOL><DEDENT>
Return dummy signatures of the appropriate length.

    Args:
        algorithm_id (int): algorithm id for signatures. 1 is for 'sha1', 2 is
                            for 'sha384'

    Returns:
        a byte string