![]() On every session, new encryption and authentication keys are generated, so as to guarantee perfect forward secrecy (PFS). The user then matches both, defending against man in the middle attacks.Īfter validation, the extension and pwSafe save the other party's public key and verify it on every new connection, closing it if it changed, preventing man-in-the-middle attacks. When you first connect, both sides calculate an identifier which is a hash of both parties' public keys (RSA-2048) and display it to the user. Since the SSL certificate validation logic cannot be overridden by the extension, we use a non-encrypted HTTP connection with our own security (encryption and authentication) layer on top.Įverything but the handshake is fully encrypted (AES-CBC-256) and authenticated (HMAC-SHA-256). To defend against malicious apps on your Mac:Ĭommunications between the extensions and pwSafe are run over a standard HTTP Websocket connection to localhost. It can only report which fields are present on the webpage and, when ordered to, fill them with the provided values. The component which runs on the webpage context can't connect to pwSafe directly, so it can't send commands to it asking for more passwords. When listing entries, it only gets titles, details (username and url) and groups.Įxtensions are broken in two main components: one running inside the displayed webpages (more vulnerable) and another one running in an isolated context (more secure). The full list of passwords is never sent to the extension, which only gets the password needed to fill the currently displayed webpage. These two facts pose a series of security concerns that we address. This makes them more susceptible to malicious websites and also very restricted when it comes to interacting with the local machine. If you face issues with multiple Google accounts please contact me via email.Modern browser extensions are javascript apps that run inside the web-browser. ![]() If it still does not recognize after reboot, make sure you installed app via the account that made the purchase (select the account in the left navigation drawer in Google Play, then install the app). After reboot the app should recognize pro state. In most cases its enough to do a restart, because the cache will be cleared on reboot. Google Play services are caching licensing states, but sometimes this leads to problems. The app gets its license state from Google Play services. If the app nonetheless wont identify pro license it may can have several reasons. You can see this when the button “Upgrade to pro version” disappeared and those additional pro-features should be enabled, like XLS-Export/Import, attachment of images etc. Its an in-app-purchase that enables additional features that where previously locked. Restore database from other app like Dropbox: Then you have to activate visibility of device storage.)If you have problems with the above description, here are some videos showing how to do those things:īackup database to other app, e.g. For this you have to go to the file selector, click on the upper right 3 dots -> Settings (if you have a device with hardware buttons you may have to use the menu-button instead). (Note: On devices running Android 4.4 KitKat or later, you may need to activate visibility of device storage in the Android Storage Access Framework (the standard Android file selector, which will be shown after clicking “Restore Database”). To get your data to another device, you have to log in on the device you already have data stored, go to menu -> Export/Import -> Database -> Backup database (this exported database file is encrypted, so you can also push this file to Dropbox etc., which makes it easy to recover on another device).On the second device you open the app and click „Restore Database“ on the login screen and choose the file you previously exported.
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