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rjohnk
on June 7, 2019
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Hearing your touch: A new acoustic side channel on...
For PIN codes, would randomizing the placement of the keys on the virtual 10-key keyboard mitigate this?
azinman2
on June 7, 2019
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Yes, and it’d help with simple finger oil on screen analysis, but it’d make for a frustrating ux.
plmpsu
on June 8, 2019
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LineageOS has this as an option.
It's actually not so bad UX-wise.
seandougall
on June 8, 2019
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So does using an alphanumeric passcode instead. Especially if you include capital letters and punctuation that you can access with a swipe starting at the shift or number key (so you never actually tap the key that produces the input).
pascoej
on June 8, 2019
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ICBC does this on the full keyboard, but they randomize everytime you switch from symbols <-> normal keyboard. Makes for a frustrating UX.
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