![]() Our APIs are all JSON-based, and all JSON payloads are encrypted using (at the time of writing) an AES256 GCM based cipher. This derived session key is used to add an additional layer of encryption on top of the TLS we use for all requests. At this time, we use a modified version of the Secure Remote Password Protocol (SRP) as our PAKE. ![]() ![]() Therefore, when you log in to or any of the 1Password apps, we use a Password Authenticated Key Exchange (PAKE) to derive what we call a session key. Proxy servers sitting between you and should not be able to see what you do with your 1Password account, even if they manage to break TLS. It also applies to any network infrastructure that sits between you and the 1Password servers. That applies to the vault data stored on your computer or phone, and to the data that we store on our servers. Encrypting payloadsĪt 1Password we want to make one thing very sure: no one should be able to access your data, without your master password and secret key. The next section dives into how session management with works. In order to make bug hunting with a lot easier, we are publishing this Burp plugin to help you analyze and modify requests sent between the web application and server as long as you have a valid session key. If you want to do any sort of legitimate inspection of - while fully knowing the master password and secret key for your account - you'll need some extra tools. It does! Using common tools to find security bugs on web applications really does not work well on. Nice, but this makes bug hunting really hard! We require every request and response that are specific to a 1Password account to be protected by the account's master password and secret key, which means every bit of data that gets sent is encrypted, and every request is authenticated. This behavior is the result of the security features of. When the web app sends a payload to the server, it is also an opaque blob, and any request you tamper with in the slightest returns an error. Rather than regular HTML or JSON, the server returns opaque blobs of content. The first time security researchers open their HTTP proxy of choice when testing, they soon notice that this does not look like a regular web app at all. ![]() What is this for?Īs we say in our bounty brief, 1Password is not your regular web application. This repository contains a Burp plugin that adds a special message editor view to Burp to analyze and edit requests made to. 1Password session analyzer plugin for Burp Suite ![]()
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