I want to make an android application, which registers user fingerprint (from device's fingerprint scanner) and stores it in a data structure or in key store provider, next time user put his fingerprint scanner, he should be authenticated from the fingerprints stored in the data structure or from the android keystore provider. If anyone can help me how to approach for this. Thanks in advance.
3 Answers
There is no way to register fingerprint and can't access to fingerprint data because stored in android secure place
You can retrieve Fingerprint Ids from android after registration.
So you can utilize settings activity from android to register and match the fingerprint IDs from there With individuals, That way, you can use that for identification and verification.
Regards.
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