var signature = SignedData.Sign(Signer, true(!!!!!), CAPICOM_ENCODE_BASE64);

            PdfReader reader = new PdfReader(path + fileName);
            PdfStamper stamper = PdfStamper.createSignature(reader, new FileOutputStream(OUT_DIR + fileName), '\0');
            PdfSignatureAppearance sap = stamper.getSignatureAppearance();
            sap.setSignDate(new GregorianCalendar());
            Certificate cert = getCertificate();
            Certificate[] chain = {cert};
            sap.setCrypto(null, chain, null, null);
            sap.setAcro6Layers(true);
            sap.setRenderingMode(PdfSignatureAppearance.RenderingMode.DESCRIPTION);

            PdfName filterName = new PdfName("CryptoPro PDF");

            PdfSignature dic;
            dic = new PdfSignature(filterName, PdfName.ADBE_PKCS7_DETACHED);
            dic.setDate(new PdfDate(sap.getSignDate()));
            dic.setName(PdfPKCS7.getSubjectFields((X509Certificate)cert).getField("CN"));
            sap.setCryptoDictionary(dic);
            HashMap<PdfName, Integer> exc = new HashMap<PdfName, Integer>();
            exc.put(PdfName.CONTENTS, new Integer(csize * 2 + 2));
            sap.preClose(exc);

            byte[] hash = IOUtils.toByteArray(sap.getRangeStream()); // Это отправляем на подпись!!!!!


            byte[] data = // Сюда кладем возвращенное из CAPICOM!!!!!

            byte[] outc = new byte[csize];
            PdfDictionary dic2 = new PdfDictionary();
            System.arraycopy(data, 0, outc, 0, data.length);
            dic2.put(PdfName.CONTENTS, new PdfString(outc).setHexWriting(true));
            appearance.close(dic2);