CAdESSignature cadesSignature = new CAdESSignature(config.detached());

        cadesSignature.setCertificateStore(config.getCertificateStore());
        cadesSignature.setCRLStore(config.getCRLStore());
        cadesSignature.addSigner(config.getProviderName(),
                config.getDigestOid(),
                config.getPublicKeyOid(),
                config.getPrivateKey(),
                config.getChain(),
                CAdESType.CAdES_BES,
                null,
                false,
                config.getSignedAttributes(),
                config.getUnsignedAttributes(),
                config.getCRLs());

        ByteArrayOutputStream signatureStream
                = new ByteArrayOutputStream();

        cadesSignature.open(signatureStream);
        cadesSignature.update("HLVAHLDUCENZSQWLJXZXDNDCHUXCNM".getBytes()); //todo
        cadesSignature.close();
        signatureStream.close();
        FileOutputStream fos = new FileOutputStream("sign7");
        fos.write(signatureStream.toByteArray());