utils.py 文件源码

def encode_dss_signature(r, s):
    if (
        not isinstance(r, six.integer_types) or
        not isinstance(s, six.integer_types)
    ):
        raise ValueError("Both r and s must be integers")

    sig = _DSSSigValue()
    sig.setComponentByName('r', r)
    sig.setComponentByName('s', s)
    return encoder.encode(sig)