}

/*
 * Handler for messages from Chrome related to listing certificates
 */
function cackeyListCertificates(chromeCallback) {
	var callbackId;
	var promiseHandle = null, promiseResolve, promiseReject;

	if (goog.DEBUG) {
		console.log("[cackey] Asked to provide a list of certificates -- throwing that request over to the NaCl side... ");
	}

	if (!chromeCallback) {
		/*
		 * If no callback supplied, arrange for a promise to be returned instead
		 */
		promiseHandle = new Promise(function(resolve, reject) {
			promiseResolve = resolve;
			promiseReject = reject;
		});

		chromeCallback = function(certs) {
			promiseResolve(certs);
		};
	}

	callbackId = ++cackeyOutstandingCallbackCounter;

	cackeyInitPCSC(function() {
		cackeyHandle.postMessage(
			{
				'target': "cackey",
				'command': "listcertificates",
				'id': callbackId
			}
		);

		cackeyOutstandingCallbacks[callbackId] = chromeCallback;

		if (goog.DEBUG) {
			console.log("[cackey] Thrown.");
		}
	}, chromeCallback);

	return(promiseHandle);
}

/*
 * Handler for messages from Chrome related to listing readers
 */
function cackeyListReaders(chromeCallback) {
	var callbackId;