/**
     * @param tc
     * @param targetDomain
     * @param host
     * @param initialToken
     * @param doSigning
     * @return a new context
     * @throws SmbException
     */
    SSPContext createContext ( CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning ) throws SmbException;


    /**
     * @return subject associated with the credentials
     */

        SpnegoToken resp;
        if ( this.completed ) {
            throw new CIFSException("Already complete");
        }
        else if ( len == 0 ) {
            resp = initialToken();
        }
        else {
            resp = negotitate(inputBuf, offset, len);
        }

        if ( resp == null ) {
            return null;
        }
        return resp.toByteArray();

        if ( tc.getConfig().isUseRawNTLM() ) {
            return setupTargetName(tc, host, new NtlmContext(tc, this, doSigning));
        }

        try {
            if ( initialToken != null && initialToken.length > 0 ) {
                NegTokenInit tok = new NegTokenInit(initialToken);
                if ( log.isDebugEnabled() ) {

     *      byte[], boolean)
     */
    @Override
    public SSPContext createContext ( CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning ) throws SmbException {
        if ( host.indexOf('.') < 0 && host.toUpperCase(Locale.ROOT).equals(host) ) {