}
                    dc = chal.dc;
                    challenge = chal.challenge;
                }
                else {
                    dc = getTransportContext().getNameServiceClient().getByName(this.domainController, true);
                    challenge = getTransportContext().getTransportPool().getChallenge(getTransportContext(), dc);
                }

        return NtlmContext.NTLMSSP_OID.equals(mechanism);
    }


    /**
     * Computes the 24 byte ANSI password hash given the 8 byte server challenge.
     * 
     * @param tc
     * @param chlng
     * @return the hash for the given challenge
     * @throws GeneralSecurityException
     */
    public byte[] getAnsiHash ( CIFSContext tc, byte[] chlng ) throws GeneralSecurityException {

// error if the server message is invalid.  Calling Step after a conversation
// completes is also an error.
func (x *XDGSCRAMClient) Step(challenge string) (response string, err error) {
	response, err = x.ClientConversation.Step(challenge)
	return
}

// Done returns true if the conversation is completed or has errored.
func (x *XDGSCRAMClient) Done() bool {
	return x.ClientConversation.Done()

  }

  @Test @Disabled
  fun challenge() {
    val challenge = Challenge("", mapOf("" to ""))
    val scheme: String = challenge.scheme()
    val authParams: Map<String?, String> = challenge.authParams()
    val realm: String? = challenge.realm()
    val charset: Charset = challenge.charset()
  }

  @Test @Disabled
  fun cipherSuite() {

If the response issues an authorization challenge, OkHttp will ask the [`Authenticator`](https://square.github.io/okhttp/4.x/okhttp/okhttp3/-authenticator/) (if one is configured) to satisfy the challenge. If the authenticator supplies a credential, the request is retried with that credential included.

## Retrying Requests

     * 
     * @param domain
     * @param username
     * @param challenge
     * @param ansiHash
     * @param unicodeHash
     */
    public NtlmPasswordAuthentication ( String domain, String username, byte[] challenge, byte[] ansiHash, byte[] unicodeHash ) {
        super(domain, username, null);

            }
            NtlmPasswordAuthentication ntlm;
            if ( msg.startsWith("NTLM ") ) {
                byte[] challenge = getTransportContext().getTransportPool().getChallenge(getTransportContext(), dc);
                ntlm = NtlmSsp.authenticate(getTransportContext(), request, response, challenge);
                if ( ntlm == null )
                    return;
            }
            else {

                }

                req.getSession(); /* ensure session id is set for cluster env. */
                challenge = SmbSession.getChallenge( dc );
                if(( ntlm = NtlmSsp.authenticate( req, resp, challenge )) == null ) {
                    return;
                }
            } else { /* Basic */

// error if the server message is invalid.  Calling Step after a conversation
// completes is also an error.
func (x *XDGSCRAMClient) Step(challenge string) (response string, err error) {
	response, err = x.ClientConversation.Step(challenge)
	return
}

// Done returns true if the conversation is completed or has errored.
func (x *XDGSCRAMClient) Done() bool {
	return x.ClientConversation.Done()

                }

                req.getSession(); /* ensure session id is set for cluster env. */
                challenge = getTransportContext().getTransportPool().getChallenge(getTransportContext(), dc);
                if ( ( ntlm = NtlmSsp.authenticate(getTransportContext(), req, resp, challenge) ) == null ) {
                    return;
                }
            }
            else { /* Basic */