PSA: Using WhatsApp on a rooted Android device or running a custom ROM? No crypto for you. faq.whatsapp.com/en/android/260
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You're misinterpreting this. They're saying that their end-to-end encryption won't be able to protect people on alternative OSes, because they roll back many security features, break core parts of the security model and rarely ship full security updates even when available.
It's hard to disagree with that overall but they're presenting it poorly in an attempt to dumb it down. Still, it's quite disingenuous for them to say this while not saying anything about all the devices with unmaintained vendor forks of Android and lack of security updates.
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They aren't disabling end-to-end encryption on alternative operating systems. That's simply not true and easily debunked. It's definitely not what they are trying to say there. They're just washing their hands of the responsibility for ensuring security on alternative OSes.
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Ah, that would make sense as well and be far less nefarious. I would hope for a wording change to make that much clearer.
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Android's monthly security updates cover more than the operating system. They include firmware for components like the GPU, Wi-Fi radio, cellular radio, boot chain, CPU microcode, etc. They also cover all of the device specific components like drivers.
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Replying to @uint8_t and @kiliankoe
You may be under that impression, but you're still missing half of the security updates. Using the latest Android Open Source Project security update only provides half of the security updates. The updates for firmware, drivers, etc. are crucial too and you won't be getting them.
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If I wouldn't use homebrew ROM, I would not have any security updates from the last 3 years.
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You may be under that impression, but you're still missing half of the security updates. Using the latest Android Open Source Project security update only provides half of the security updates. The updates for firmware, drivers, etc. are crucial too and you won't be getting them.
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