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Android Developers Blog: Better Biometrics in Android P
source link: https://android-developers.googleblog.com/2018/06/better-biometrics-in-android-p.html?linkId=53335915
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To keep users safe, most apps and devices have an authentication mechanism, or a way to prove that you're you. These mechanisms fall into three categories: knowledge factors, possession factors, and biometric factors. Knowledge factors ask for something you know (like a PIN or a password), possession factors ask for something you have (like a token generator or security key), and biometric factors ask for something you are (like your fingerprint, iris, or face).
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