Android secure fingerprint authentication

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I try to write code to implement secure fingerprint authentication to prevent bypass (i.e. with Frida). I can't realize which secure data should I encrypt/decrypt in function onAuthenticationSucceeded () of BiometricPrompt.AuthenticationCallback? Can anyone give me an example? I have read that it should be some secure data, but I don't understand what exactly should I use. If it's authorization token, what should I do with it?

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