try {
                        keys = new KerberosCredentials().getKeys();
                    }
                    catch ( LoginException e ) {
                        throw new PACDecodingException("Login failure", e);
                    }
                }

                Map<Integer, KerberosKey> keysByAlgo = new HashMap<>();
                for ( KerberosKey key : keys ) {

 */
public enum RequestParam {

    /**
     * 
     */
    NONE,

    /**
     * Wait indefinitely for a response
     */
    NO_TIMEOUT,

    /**
     * Do not retry request on failure
     */
    NO_RETRY,

    /**
     * Save the raw payload for further inspection
     */
    RETAIN_PAYLOAD

                                    auth != NtlmPasswordAuthentication.ANONYMOUS) {
                            throw new SmbAuthException( NtStatus.NT_STATUS_LOGON_FAILURE );
                        }
    
                        if (ex != null)
                            throw ex;
    
                        uid = response.uid;
    

        for (int i = 0; i < 8; i++) {
            if (signature[i] != data[offset + ServerMessageBlock.SIGNATURE_OFFSET + i]) {
                if( log.level >= 2 ) {
                    log.println( "signature verification failure" );
                    Hexdump.hexdump( log, signature, 0, 8 );
                    Hexdump.hexdump( log, data,
                        offset + ServerMessageBlock.SIGNATURE_OFFSET, 8 );
                }

     */
    @Override
    public boolean verifySignature ( byte[] buffer, int i, int size ) {
        // observed too that signatures on error responses are sometimes wrong??
        // Looks like the failure case also is just reflecting back the signature we sent

        // with SMB3's negotiation validation it's no longer possible to ignore this (on the validation response)

                 * junk. We need to bump up the wordCount here so that this method returns
                 * the correct number of bytes for signing purposes. Otherwise we get a
                 * signing verification failure.
                 */
                if (command == SMB_COM_NT_CREATE_ANDX && ((SmbComNTCreateAndXResponse)this).isExtended)
                    wordCount += 8;
            }

            while ( len > blockSize && n == r );
            // this used to be len > 0, but this is BS:
            // - InputStream.read gives no such guarantee
            // - otherwise the caller would need to figure out the block size, or otherwise might end up with very small
            // reads
            return (int) ( this.fp - start );
        }
    }


    /**

        "Logon failure: unknown user name or bad password.",
        "Logon failure: user account restriction.",
        "Logon failure: account logon time restriction violation.",
        "Logon failure: user not allowed to log on to this computer.",
        "Logon failure: the specified account password has expired.",
        "Logon failure: account currently disabled.",

        "Logon failure: user account restriction.", "Logon failure: account logon time restriction violation.",
        "Logon failure: user not allowed to log on to this computer.", "Logon failure: the specified account password has expired.",

                doRecvSMB2(resp);
            }
            else {
                doRecvSMB1(resp);
            }
        }
        catch ( Exception e ) {
            log.warn("Failure decoding message, disconnecting transport", e);
            response.exception(e);
            synchronized ( response ) {
                response.notifyAll();
            }
            throw e;
        }