function signXML_async(data) {
    return cadesplugin.async_spawn(function* (args) {
        var data = args[0];
        var CADESCOM_CADES_BES = 1;
        var CAPICOM_CURRENT_USER_STORE = 2;
        var CAPICOM_MY_STORE = "My";
        var CAPICOM_STORE_OPEN_MAXIMUM_ALLOWED = 2;
        var CAPICOM_CERTIFICATE_FIND_SUBJECT_NAME = 1;
        var CADESCOM_XML_SIGNATURE_TYPE_ENVELOPED = 0;
        var XmlDsigGost3410Url = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34102001-gostr3411";
        var XmlDsigGost3411Url = "urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr3411";


        var oStore = yield cadesplugin.CreateObjectAsync("CAdESCOM.Store");
        yield oStore.Open(CAPICOM_CURRENT_USER_STORE, CAPICOM_MY_STORE,
            CAPICOM_STORE_OPEN_MAXIMUM_ALLOWED);

        //get all certificates
        var all_certs = yield oStore.Certificates;
        var fio = [ws[0].card.fio1, ws[0].card.fio2, ws[0].card.fio3].join(' ');

        var fio = 'XXXX XXXX XXXX';//todo need delete line
        //get necessary certificate by name
        var oCerts = yield all_certs.Find(CAPICOM_CERTIFICATE_FIND_SUBJECT_NAME, fio, true);
        //get count of certificates
        var cnt = yield oCerts.Count;
        //todo check cnt
        var certificate = yield oCerts.Item(1);
        //get certificate name
        var nameCert = yield certificate.SubjectName;
        if (!linkPrivateKey) {
            linkPrivateKey = yield certificate.PrivateKey;
            linkPrivateKey.propset_CachePin(true);
        }

        // Создаем объект CAdESCOM.CPSigner
        var oSigner = yield cadesplugin.CreateObjectAsync("CAdESCOM.CPSigner");
        yield oSigner.propset_Certificate(certificate);
        var oSignedXML = yield cadesplugin.CreateObjectAsync("CAdESCOM.SignedXML");
        var sContent =
            "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
            "<!-- \n" +
            " Original XML doc file for sign example. \n" +
            "-->\n" +
            "<Envelope xmlns=\"urn:envelope\">\n" +
            "  <Data>\n" +
            `   ${JSON.stringify(data)}\n` +
            "  </Data>\n" +
            "  <Node xml:id=\"nodeID\">\n" +
            "   Hello, Node!\n" +
            "  </Node>\n" +
            " \n" +
            "</Envelope>";

        yield oSignedXML.propset_Content(sContent);
        yield oSignedXML.propset_SignatureType(CADESCOM_XML_SIGNATURE_TYPE_ENVELOPED);
        yield oSignedXML.propset_SignatureMethod(XmlDsigGost3410Url);
        yield oSignedXML.propset_DigestMethod(XmlDsigGost3411Url);

        try {
            sSignedMessage = yield oSignedXML.Sign(oSigner);
        } catch (err) {
            alert("Failed to create signature. Error: " + cadesplugin.getLastError(err));
            resolve('');
        }

        yield oStore.Close();

        return ({id: data.id, signature: sSignedMessage});
    }, data);
}

promise = Promise.resolve();
                            $.each(store.milk_statistics, function (index, milk_stat) {
                                promise = promise.then(function () {
                                    return signXML_async(milk_stat);
                                }).then(function (result) {
                                    return doPostSignatureReleased({id: result.id, signature: result.signature, releaseddt:today(2)});
                                }).then(function (result) {
                                    console.log("Signed!");
                                });
                            });
                            promise.then(function () {
                                linkPrivateKey.propset_CachePin(false);
                                linkPrivateKey = null;
                                delete linkPrivateKey;
                                resetCadesPlugin();
                                mask.unmask();
                                b.hide();
                                renderBody(releasedDate)
                            });