How can I differentiate between fingerprints with

问题:

This question already has an answer here:

• Know which user logging into app depending on touchid in iOS 1 answer

Hello I would like to know how I can differentiate between two fingerprints to relate them to a user and password, because if I can not know who owns that footprint I could not relate them to a user within my app. Thank you

回答1:

I'm afraid that's not currently possible. The result is authenticated or not, not authenticated by X.