/**
     * @return the securityMode
     */
    public int getSecurityMode () {
        return this.securityMode;
    }


    /**
     * @return the dialect
     */
    public int getDialect () {
        return this.dialect;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.Decodable#decode(byte[], int, int)
     */
    @Override

        this.dialects = new int[dvs.size()];
        int i = 0;
        for ( DialectVersion ver : dvs ) {
            this.dialects[ i ] = ver.getDialect();
            i++;
        }

        if ( config.getMaximumVersion().atLeast(DialectVersion.SMB210) ) {
            System.arraycopy(config.getMachineId(), 0, this.clientGuid, 0, this.clientGuid.length);
        }

    }


    /**
     * @return the smb2
     */
    public final boolean isSMB2 () {
        return this.smb2;
    }


    /**
     * @return the dialect
     */
    public final int getDialect () {
        if ( !this.smb2 ) {
            throw new UnsupportedOperationException();
        }
        return this.dialect;
    }


    /**
     * 
     * @param v

        DialectVersion selected = null;
        for ( DialectVersion dv : DialectVersion.values() ) {
            if ( !dv.isSMB2() ) {
                continue;
            }
            if ( dv.getDialect() == getDialectRevision() ) {
                selected = dv;
            }
        }

        if ( selected == null ) {
            log.error("Server returned an unknown dialect");
            return false;

        if ( nego.getSecurityMode() != out.getSecurityMode() || nego.getCapabilities() != out.getCapabilities()
                || nego.getDialectRevision() != out.getDialect() || !Arrays.equals(nego.getServerGuid(), out.getServerGuid()) ) {
            log.debug("Secure negotiation failure");
            throw new CIFSException("Mismatched attributes validating negotiate info");
        }