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1shooner | 1 month ago

Graphene also has a kind of workaround to add fingerprint duress:

>GrapheneOS improves the security of the fingerprint unlock feature by only permitting 5 total attempts rather than implementing a 30 second delay between every 5 failed attempts with a total of 20 attempts. This doesn't just reduce the number of potential attempts but also makes it easy to disable fingerprint unlock by intentionally failing to unlock 5 times with a different finger.

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burningChrome|1 month ago

The first phone I used with Graphene was a Pixel 4XL. It didn't come with a fingerprint sensor. If I remember correctly, the longest lockout period was still really short, like 5 mins or something. It was rather annoying to constantly have to put in your unlock code when you wanted to use or check something on the phone.

Loved Graphene, and the Pixel worked flawlessly, but man, that unlock thing drove me nuts more than a few times.

digiown|1 month ago

> a different finger

Though with all the devices GrapheneOS supports, there are only two fingers you can plausibly use with the device: the thumb, usually on your dominant hand. It is quite awkward to be using anything else.

j45|1 month ago

There used to be an android app you to unlock the phone directly to a different app with different finger(print)s.

All this biometric talk in the world and it’s rarely made convenient for the user like this.

It was likely almost as fast as a physical keyboard smartphone for instant entry into an app.

raverbashing|1 month ago

Yes, very nice

Cut to my phone failing to recognize the fingerprint whenever it feels like or maybe because the humidity is 0.5% from the ideal value

sigh