Class _Checksum_Field

scapy/layers/kerberos.py:504–512

class _Checksum_Field(ASN1F_STRING_PacketField):
    def m2i(self, pkt, s):
        val = super(_Checksum_Field, self).m2i(pkt, s)
        if not val[0].val:
            return val
        if pkt.cksumtype.val == 0x8003:
            # Special case per RFC 4121
            return KRB_AuthenticatorChecksum(val[0].val, _underlayer=pkt), val[1]
        return val


class Checksum(ASN1_Packet):