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by Tagbert
3715 days ago
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at least on iOS, the fingerprint works in conjunction with a password. You must enter your password and then, for a limited period of time, you can use your fingerprint for access. The fingerprint is used to generate something more like a session key. If you change your password, the fingerprint no longer gives you access, you have to reauthenticate with the password before the fingerprint will work again. |
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