fields.add(new DERTaggedObject(true, 2, new DEROctetString(mechanismToken)));
            }
            byte[] mechanismListMIC = getMechanismListMIC();
            if ( mechanismListMIC != null ) {
                fields.add(new DERTaggedObject(true, 3, new DEROctetString(mechanismListMIC)));
            }

            ASN1EncodableVector ev = new ASN1EncodableVector();
            ev.add(SPNEGO_OID);

                fields.add(new DERTaggedObject(true, 2, new DEROctetString(mechanismToken)));
            }
            byte[] mechanismListMIC = getMechanismListMIC();
            if ( mechanismListMIC != null ) {
                fields.add(new DERTaggedObject(true, 3, new DEROctetString(mechanismListMIC)));
            }
            der.writeObject(new DERTaggedObject(true, 1, new DERSequence(fields)));

    private byte[] mechanismToken;

    private byte[] mechanismListMIC;


    public byte[] getMechanismToken () {
        return this.mechanismToken;
    }


    public void setMechanismToken ( byte[] mechanismToken ) {
        this.mechanismToken = mechanismToken;
    }


    public byte[] getMechanismListMIC () {
        return this.mechanismListMIC;
    }

        byte[] ml = encodeMechs(lm);
        byte[] mechanismListMIC = this.mechContext.calculateMIC(ml);
        if ( log.isDebugEnabled() ) {
            log.debug("Out Mech list " + Arrays.toString(lm));
            log.debug("Out Mech list encoded " + Hexdump.toHexString(ml));
            log.debug("Out Mech list MIC " + Hexdump.toHexString(mechanismListMIC));
        }
        return mechanismListMIC;
    }

     * 
     * @return whether to disable sending/verifying SPNEGO mechanismListMIC
     */
    boolean isDisableSpnegoIntegrity ();


    /**
     * 
     * Property <tt>jcifs.smb.client.enforceSpnegoIntegrity</tt> (boolean, false)
     * 
     * @return whether to enforce verifying SPNEGO mechanismListMIC
     */
    boolean isEnforceSpnegoIntegrity ();


    /**