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Questions tagged [biometrics]

Biometrics is a set of methods related to unique identification of people based on physiological or behavioural traits

Biometric recognition is the process of recognizing a person's identity by analyzing some data derived from their body (physical traits, like fingerprint, iris or face) or behaviour (like gait or, to some extent, voice).

The Wikipedia page on Biometrics has more complete information.

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Flutter: Use fingerprint to decrypt AES?

I'm working on a app for Android that makes use of files encrypted with AES. I want to provide the user with the ability to scan their fingerprint to decrypt instead of providing their password. From what I've understood, it's possible to store…
Raghap
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One Plus devices biometric prompt is dismissed after first failed

I am using BiometricPrompt on my app. When I am trying to use on OnePlus devices and validate the fingerprint with another finger that is not enrolled on the OS, it will trigger the onAuthenticationFailed() callback and the biometricPrompt will be…
Lucian Novac
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Loop expo biometric authentication until success

I'm trying to implement a biometric authentication (faceID / fingerprint) on Android using React-native with Expo. Using the LocalAuthentication.authenticateAsync() function, the user is able to authenticate with his biometry. But if it fail, the…
Toto NaBendo
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When multiple biometric sensors are available, how to select preferred type to use?

I am using BiometricPrompt in this way: val biometricPrompt = BiometricPrompt.Builder(this) .setNegativeButton("Cancel", executor, cancelListener) .build() biometricPrompt.authenticate( …
martinez314
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How can I make fingerprint selection faster with thousands of records?

it's my first time here just to ask some questions I couldn't seem to find the answer to. Basically, I created a system that would accept fingerprint of a person and will login him/her into the system. But as time goes on, I have thousands of record…
Danny Boy
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Finding center of fingerprints

If we suppose that every fingerprint is made of concentric curves (ellipses or circles) - and I'm aware of the fact that not every fingerprint is - how can I find center of those concentric curves? Let's take this "ideal" fingerprint and try to find…
anon
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Fingerprint scanning with DigitalPersona 4500 reader. How to get captured image and loading events handlers

I'm new to coding with biometric sensors and DLLs in C#. I'm using a DigitalPersona reader UareU 4500. I have read the API documentation and saw the sample program they provided. However, I´m not interested in using the GUI version. I would like to…
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device for fingerprint scanner in android?

iam running a project that part of it requires to read a fingerprint. The platform we use is an Android phone (2.2). Is there a fingerprint reader availble for this platform? (micro USB, power supply issues, drivers etc.)
user538626
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Digital Persona Finger Print Verification from DataBase not working

Device : Digital Persona u.are.u 4500 While enrollment i am saving the data in sql database in image format(sql data type is image) It works properly my data is properly saved in database,,but now when i am verifying the data during my…
Parshuram Kalvikatte
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Get fingerprint image from android scanner in my application for biometric encryption approach

Android 6 fingerprint API prevent applications from getting a copy of the FingerPrint as mentioned bellow: The Android 6.0 fingerprint APIs do not provide any access to the fingerprint material to apps. However, my application requirements…
Haya aziz
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SDK for fingerprint matching

I am looking for SDKs which can do finger print matching. Rest of my code is mostly in C so I prefer if the SDK has C API's. Also it would be great if the SDK is free. Does anybody has experience with these SDKs and recommend any particular SDK?…
Naveen
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Voice Biometrics for Android

i am planning to build a voice authentication system for android devices. Simply meaning instead of the login screen where you have to type your password or draw the pattern, you only only need to say one word such as "Login" and the phone…
Chris
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Retrieving data from Biometric Fingerprint Attendance Device

I am trying to connect with a Biometric Fingerprint Attendance Device using a Java Program. The device I am using is a Pegasus T5 Fingerprint scanner. Unfortunately their SDK for this device (which can be downloaded here) covers only C#, .Net, and…
RocketRuwan
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Biometric fingerprints for logging into a website

Is there a way to authenticate to a website using fingerprints? I was thinking of the following scenario. The server has ISO 19794-2 fingerprint templates of all valid users. Client machine has a fingerprint scanner. Client opens website on…
user93353
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How to check if user has unlocked device with the biometrics or PIN/Password?

I am trying to figure out if user has unlocked the device with the traditional PIN/Password method or with the biometrics like Face unlock or Fingerprint. I tried some answers out there like https://stackoverflow.com/a/28694962/10357086 and…
Dev4Life
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