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;
    }