return new Promise(function (resolve, reject) {
        cadesplugin.async_spawn(function* (args) {
            try {
                let oHashData = yield cadesplugin.CreateObjectAsync('CAdESCOM.HashedData');
                yield oHashData.DataEncoding = cadesplugin.CADESCOM_BASE64_TO_BINARY;
                yield oHashData.Algorithm = cadesplugin.CADESCOM_HASH_ALGORITHM_CP_GOST_3411;
                var base64Data = Base64.encode(document.getElementById("DataToSignTxtBox").value); // abc-> YWJj
                yield oHashData.Hash(base64Data);
                var hashData = yield oHashData.Value;
                document.getElementsByName("SignatureTitle")[0].innerHTML = "Хеш рассчитан успешно:";
                document.getElementById("SignatureTxtBox").innerHTML = hashData;
            }
            catch (err) {
                alert('Не удалось создать хеш: ' + err);
             }
        }, resolve, reject);
    });