this.negotiated = resp.getResponse();
        if ( resp.getResponse().getSelectedDialect().atLeast(DialectVersion.SMB311) ) {
            updatePreauthHash(resp.getRequestRaw());
            updatePreauthHash(resp.getResponseRaw());
            if ( log.isDebugEnabled() ) {
                log.debug("Preauth hash after negotiate " + Hexdump.toHexString(this.preauthIntegrityHash));
            }
        }
    }