function runDecode(data) {
	return new Promise(function(resolve, reject) {
		cadesplugin.async_spawn(function* (args) {
			try {
				var oEnvelopedData = yield cadesplugin.CreateObjectAsync("CAdESCOM.CPEnvelopedData");
				yield oEnvelopedData.propset_ContentEncoding(cadesplugin.CADESCOM_BASE64_TO_BINARY);
				oEnvelopedData.Decrypt(data).then(
					(result) => {
						args[0](oEnvelopedData.Content);
					},
					(result) => {
						args[1](result.message);
					}
				);	
			}
			catch (err) {
				args[1]("Failed to create signature. Error: " + cadesplugin.getLastError(err));
			}
		}, resolve, reject);	
	});
}

function runVerify(data) {
    return new Promise(function(resolve, reject) {
        cadesplugin.async_spawn(function* (args) {
            var oSignedData = yield cadesplugin.CreateObjectAsync("CAdESCOM.CadesSignedData");

            try {
                yield oSignedData.propset_ContentEncoding(cadesplugin.CADESCOM_BASE64_TO_BINARY);
                yield oSignedData.VerifyCades(data, CADESCOM_CADES_BES);
            }

            catch (e) {
                err = cadesplugin.getLastError(e);
                alert("Failed to verify signature. Error: " + err);
                return args[1](err);
            }

            return args[0](oSignedData.Content);         

        }, resolve, reject);    

    });

}