function decryptAsync(dataToDecrypt) {
	return new Promise(function(resolve, reject) {
		 cadesplugin.async_spawn(function* (args) {
			try {
				const oEnvelopedData = yield cadesplugin.CreateObjectAsync("CAdESCOM.CPEnvelopedData");

				yield oEnvelopedData.propset_ContentEncoding(cadesplugin.CADESCOM_BASE64_TO_BINARY);
				yield oEnvelopedData.propset_Content(dataToDecrypt);

				oEnvelopedData.Decrypt(dataToDecrypt).then(
				(result) => {
					args[1](oEnvelopedData.Content);
				},
				(result) => {
					args[2](result.message);
				}
				);				
			} catch (err) {
				args[2](cadesplugin.getLastError(err));
			}			
		}, dataToDecrypt, resolve, reject);
	});	
}