var CADESCOM_BASE64_TO_BINARY = 0x01;
var CADESCOM_STRING_TO_UCS2LE = 0x00;
var CAPICOM_CERTIFICATE_FIND_SHA1_HASH = 0;

var encryptedData = {};
var success;
var error;

var result = new Promise(function(resolve, reject){
	success = resolve;
	error = reject;
});

cadesplugin.async_spawn(function *() { //cadesplugin.async_spawn
	try {
		var oStore = yield cadesplugin.CreateObjectAsync("CAPICOM.store");
		yield oStore.Open();
		var all_certs = yield oStore.Certificates;
		var oCerts = yield all_certs.Find(CAPICOM_CERTIFICATE_FIND_SHA1_HASH, certThumbprint);

		if (oCerts.Count === 0) {
			encryptedData.error = "Certificate not found";
			success(encryptedData);
			return;
		}
		var certificate = yield oCerts.Item(1);

		var oEnvelop = yield cadesplugin.CreateObjectAsync("CAdESCOM.CPEnvelopedData");
		yield oEnvelop.propset_ContentEncoding(CADESCOM_BASE64_TO_BINARY);
		yield oEnvelop.propset_Content(dataToCrypt);
		var recipients = yield oEnvelop.Recipients;
		yield recipients.Clear();
		yield recipients.Add(certificate);

		encryptedData.base64 = yield oEnvelop.Encrypt();
		encryptedData.ber = cadesplugin.Base64ToBer(encryptedData.base64);
		success(encryptedData);
	}
	catch (ex) {
		encryptedData.error = "Failed to crypt data. Error: " + cadesplugin.GetErrorMessage(ex);
		success(encryptedData);
	}
});
return result;