Class MKABasicParamSet

scapy/layers/eap.py:587–623

Basic Parameter Set (802.1X-2010, section 11.11).

class MKABasicParamSet(Packet):
    """
    Basic Parameter Set (802.1X-2010, section 11.11).
    """

    #########################################################################
    #
    # IEEE 802.1X-2010 standard
    # Section 11.11
    #########################################################################
    #

    name = "Basic Parameter Set"
    fields_desc = [
        ByteField("mka_version_id", 0),
        ByteField("key_server_priority", 0),
        BitField("key_server", 0, 1),
        BitField("macsec_desired", 0, 1),
        BitField("macsec_capability", 0, 2),
        BitField("param_set_body_len", 0, 12),
        PacketField("SCI", MACsecSCI(), MACsecSCI),
        XStrFixedLenField("actor_member_id", "", length=12),
        XIntField("actor_message_number", 0),
        XIntField("algorithm_agility", 0),
        PadField(
            XStrLenField(
                "cak_name",
                "",
                length_from=lambda pkt: (pkt.param_set_body_len - 28)
            ),
            4,
            padwith=b"\x00"
        )
    ]

    def extract_padding(self, s):
        return "", s


class MKAPeerListTuple(Packet):