public String toString() {
        String ret = "NtlmContext[auth=" + auth +
            ",ntlmsspFlags=0x" + Hexdump.toHexString(ntlmsspFlags, 8) +
            ",workstation=" + workstation +
            ",isEstablished=" + isEstablished +
            ",state=" + state +
            ",serverChallenge=";
        if (serverChallenge == null) {
            ret += "null";
        } else {

     * 
     * @throws CIFSException
     */
    byte[] getSigningKey () throws CIFSException;


    /**
     * @return whether the context is established
     */
    boolean isEstablished ();


    /**
     * @param token
     * @param off
     * @param len
     * @return result token
     * @throws SmbException
     * @throws CIFSException
     */