byte[] source = DATA_TO_SIGN.getBytes(StandardCharsets.UTF_8);
        CAdESSignature cadesSig = new CAdESSignature(true, true);
        cadesSig.addSigner(JCP.PROVIDER_NAME, JCP.GOST_DIGEST_OID,
                         JCP.GOST_EL_KEY_OID, privateKey, chain, CAdESType.CAdES_BES, null, false);
        final var signDataStream = new ByteArrayOutputStream();
        cadesSig.open(signDataStream);
        cadesSig.update(source);
        cadesSig.close();
        signDataStream.close();
        final var byteSign = signDataStream.toByteArray();

        MessageDigest md = MessageDigest.getInstance(JCP.GOST_DIGEST_OID, jcpProvider);
        byte[] hash = md.digest(source);

       CAdESSignature cadesSignature = new CAdESSignature(byteSign, hash,
            CAdESType.CAdES_BES, true);
       cadesSignature.verify(chain); // message-digest attribute value does not match