var oStore = cadesplugin.CreateObject("CAdESCOM.Store");
oStore.Open();
var cert = oStore.Certificates.Item(1);
console.log(cert.HasPrivateKey())

var oSigner = cadesplugin.CreateObject("CAdESCOM.CPSigner");
oSigner.Certificate = cert;
oSigner.Options = 1;
var oSignedData = cadesplugin.CreateObject("CAdESCOM.CadesSignedData");
oSignedData.ContentEncoding = 1;
oSignedData.Content = 'dsfa';
var signature = oSignedData.SignCades(oSigner, 1);
console.log(signature);

var oEData = cadesplugin.CreateObject('CAdESCOM.CPEnvelopedData');
    oEData.Recipients.Clear();
    oEData.ContentEncoding = 1;
    oEData.Content = signature;
    oEData.Recipients.Add(cert);
oEData.Decrypt(signature);
console.log(oEData.Content)

var signature = oSignedData.SignCades(oSigner, 1);
console.log(signature);