resp.decode(this.sbuf, 4);
            resp.received();

            if (log.isTraceEnabled()) {
                log.trace(resp.toString());
                log.trace(Hexdump.toHexString(this.sbuf, 4, n));
            }

            final int permits = resp.getInitialCredits();
            if (permits > 0) {
                this.credits.release(permits);
            }

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

        while (true) {
            Subject s = this.credentials.getSubject();
            if (ctx == null) {