KERB_SUBMIT_TKT_REQUEST

public struct KERB_SUBMIT_TKT_REQUEST
{
    public KERB_PROTOCOL_MESSAGE_TYPE MessageType;
    public LUID LogonId;
    public uint Flags;
    public KERB_CRYPTO_KEY32 Key;
    public uint KerbCredSize;
    public uint KerbCredOffset;
}

KERB_PROTOCOL_MESSAGE_TYPE

KERB_CRYPTO_KEY32