long sessId = 0;

        boolean preauthIntegrity = negoResp.getSelectedDialect().atLeast(DialectVersion.SMB311);
        this.preauthIntegrityHash = preauthIntegrity ? trans.getPreauthIntegrityHash() : null;

        if ( this.preauthIntegrityHash != null && log.isDebugEnabled() ) {
            log.debug("Initial session preauth hash " + Hexdump.toHexString(this.preauthIntegrityHash));
        }

            }

            if ( log.isDebugEnabled() ) {
                log.debug("Got referral " + cur);
            }
            return cur;
        }
    }


    byte[] getPreauthIntegrityHash () {
        return this.preauthIntegrityHash;
    }


    private void updatePreauthHash ( byte[] input ) throws CIFSException {
        synchronized ( this.preauthIntegrityHash ) {