virtual ~CACKeyInstance() {}

		virtual void HandleMessageThread(pp::VarDictionary *message, pp::Var *messagePlain) {
			cackey_chrome_returnType signRet;
			char *pinPrompt = NULL;
			const char *pin;
			const char *smartcardManagerAppId = NULL;
			unsigned char buffer[8192];
			struct cackey_certificate *certificates, incomingCertificateCACKey;
			struct cackey_reader *readers;
			pp::VarDictionary *reply, *readerInfo;
			pp::VarArray certificatesPPArray, readersPPArray;
			pp::VarArrayBuffer *certificateContents, *incomingCertificateContents, *incomingData, *outgoingData;
			pp::Var command;

			/*
			 * Do the thing we are being asked to do
			 */
			reply = new pp::VarDictionary();

			if (command.AsString() == "init") {
				if (message->HasKey("smartcardManagerAppId")) {
					smartcardManagerAppId = strdup(message->Get("smartcardManagerAppId").AsString().c_str());
				}

				pcscNaClInit(this, corePointer, smartcardManagerAppId, "CACKey");
				pcscNaClInit(this, corePointer);

				if (smartcardManagerAppId) {
					free((void *) smartcardManagerAppId);
				}

				reply->Set("status", "success");
			} else if (command.AsString() == "listcertificates") {
				numCertificates = cackey_chrome_listCertificates(&certificates);

				certificatesPPArray.SetLength(numCertificates);