Meet this awesome module!
The Freedom Phone advertises itself as a “Free speech and privacy first focused phone”. As documented on the features page, it runs ClearOS, an Android-based OS produced by Clear United (or maybe one of the bewildering array of associated companies, we’ll come back to that later). It’s advertised as including Signal, but what’s shipped is not the version available from the Signal website or any official app store – instead it’s this fork called “ClearSignal”.
Next is that Signal (for fairly obvious reasons) warns you if your version is out of date and eventually refuses to work unless you upgrade. ClearSignal has dealt with this problem by, uh, simply removing that code. The MacOS version of the desktop app they provide for download seems to be derived from a release from last September, which for an Electron-based app feels like a pretty terrible idea. Weirdly, for Windows they link to an official binary release from February 2021, and for Linux they tell you how to use the upstream repo properly. I have no idea what’s going on here.
They’ve also added support for network backups of your Signal data. This involves the backups being pushed to an S3 bucket using credentials that are statically available in the app. It’s ok, though, each upload has some sort of nominally unique identifier associated with it, so it’s not trivial to just download other people‘s backups. But, uh, where does this identifier come from? It turns out that Clear Center, another of the Clear family of companies, employs a bunch of people to work on a ClearID, some sort of decentralised something or other that seems to be based on KERI. There’s an overview slide deck here which didn’t really answer any of my questions and as far as I can tell this is entirely lacking any sort of peer review, but hey it’s only the one thing that stops anyone on the internet being able to grab your Signal backups so how important can it be.
The final thing, though? They’ve extended Signal’s invitation support to encourage users to get others to sign up for Clear United. There’s an exposed API endpoint called “get_user_email_by_mobile_number” which does exactly what you’d expect – if you give it a registered phone number, it gives you back the associated email address. This requires no authentication. But it gets better! The API to generate a referral link to send to others sends the name and phone number of everyone in your phone’s contact list. There does not appear to be any indication that this is going to happen.
So, from a privacy perspective, going to go with things being some distance from ideal. But what’s going on with all these Clear companies anyway? They all seem to be related to Michael Proper, who founded the Clear Foundation in 2009. They are, perhaps unsurprisingly, heavily invested in blockchain stuff, while Clear United also appears to be some sort of multi-level marketing scheme which has a membership agreement that includes the somewhat astonishing claim that:
Specifically, the initial focus of the Association will provide members with supplements and technologies for: 9a. Frequency Evaluation, Scans, Reports;
9b. Remote Frequency Health Tuning through Quantum Entanglement;
9c. General and Customized Frequency Optimizations;
– there’s more discussion of this and other weirdness here. Clear Center, meanwhile, has a Chief Physics Officer? I have a lot of questions.
Anyway. We have a company that seems to be combining blockchain and MLM, has some opinions about Quantum Entanglement, bases the security of its platform on a set of novel cryptographic primitives that seem to have had no external review, has implemented an API that just hands out personal information without any authentication and an app that appears more than happy to upload all your contact details without telling you first, has failed to update this app to keep up with upstream security updates, and is violating the upstream license. If this is their idea of “privacy first”, I really hate to think what their code looks like when privacy comes further down the list.
 Pointed out to me here
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