function SignCreate(certSubjectName, dataToSign) {
    var oStore = CreateObject("CAPICOM.Store");
    oStore.Open(CAPICOM_CURRENT_USER_STORE, CAPICOM_ROOT_STORE,
    CAPICOM_STORE_OPEN_MAXIMUM_ALLOWED);

    var oCertificates = oStore.Certificates.Find(
    CAPICOM_CERTIFICATE_FIND_SUBJECT_NAME, certSubjectName);
    if (oCertificates.Count == 0) {
        alert("Certificate not found");
        return;
    }
    var oCertificate = oCertificates.Item(1);

    var oSigner = CreateObject("CAdESCOM.CPSigner");
    oSigner.Certificate = oCertificate;
    
    var oSignedData = CreateObject("CAdESCOM.CadesSignedData");
    oSignedData.Content = dataToSign;

    try {
    	var sSignedMessage = oSignedData.SignCades(oSigner, CADESCOM_CADES_TYPE.CADESCOM_CADES_BES, true, CAPICOM_ENCODE_BASE64);
    } catch (err) {
        alert("Failed to create signature. Error: " + GetErrorMessage(err));
        return;
    }

    oStore.Close();

    return sSignedMessage;
}

var sSignedMessage = oSignedData.SignCades(oSigner, CADESCOM_CADES_BES, false, CAPICOM_ENCODE_BASE64);
oSignedData.VerifyCades(sSignedMessage, CADESCOM_CADES_BES, false);