// with SMB3's negotiation validation it's no longer possible to ignore this (on the validation response)
        // make sure that validation is performed in any case
        final Smb2SigningDigest dgst = getDigest();
        if (dgst != null && !isAsync() && (getConfig().isRequireSecureNegotiate() || getErrorCode() == NtStatus.NT_STATUS_SUCCESS)) {
            // MID checking not required here as we only read responses for which we're waiting

            }
        }
        // digest
        putResultDataBody(dataMap, fessConfig.getIndexFieldDigest(),
                documentHelper.getDigest(responseData, bodyBase, dataMap, fessConfig.getCrawlerDocumentFileMaxDigestLengthAsInteger()));
        // title
        if (!hasTitle(dataMap)) {
            final String titleField = fessConfig.getIndexFieldTitle();

     * @param maxWidth the maximum width of the digest
     * @return the abbreviated and normalized digest, or empty string if content is null
     */
    public String getDigest(final ResponseData responseData, final String content, final Map<String, Object> dataMap, final int maxWidth) {
        if (content == null) {
            return StringUtil.EMPTY; // empty
        }

            putResultDataBody(dataMap, fessConfig.getIndexFieldDigest(), digest);
        } else {
            putResultDataBody(dataMap, fessConfig.getIndexFieldDigest(),
                    documentHelper.getDigest(responseData, body, dataMap, fessConfig.getCrawlerDocumentHtmlMaxDigestLengthAsInteger()));
        }
        // segment
        putResultDataBody(dataMap, fessConfig.getIndexFieldSegment(), sessionId);
        // host