Fingerprint Hardware Download For Android

Android Fingerprint Manager. Fingerprint Manager is the class used to access the Fingerprint hardware from the device (if it exists). This lock (actually a prank) can work as a lock if you want it too. Just use the Slide setting for your screen unlock and use this app. Exit the app, lock your phone/tablet, and then put your finger on the unlock circle.

Fingerprint Hardware Download For Android Phones
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Fingerprint Hardware Download For Android Phone
Fingerprint Hardware Download For Android Tablet
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Biometric factors allow for secure authentication on the Android platform.The Android framework includes face and fingerprint biometric authentication.Android can be customized to support other forms of biometric authentication(such as Iris). All biometric implementations must meet security specificationsand have a strong rating in order to participate in theBiometricPrompt class. Biometrics are measured with theImposterAccept Rate (IAR) and SpoofAccept Rate (SAR).

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For more details on biometric security specifications, see MeasuringBiometric Unlock Security.

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Source

Android 10

Introduces the BiometricManagerclass that developers can use to query the availability of biometricauthentication.
Includes fingerprint and face authentication integration for BiometricPrompt

Android 9

Includes fingerprint integration only for BiometricPrompt.
Deprecates the FingerprintManager class. If your bundled and system apps usethis class, update them to use BiometricPrompt andBiometricManager instead.
Updated the FingerprintManager CTS verifier tests to testBiometricPrompt using BiometricPromptBoundKeysTest.

Implementation

To ensure that users and developers have a seamless biometric experience,integrate your biometric stack with BiometricPrompt. Devices thatenable BiometricPrompt for any modality, including face,fingerprint, and iris, must adhere to these strengthrequirements. If they don't meet the strength requirements, then theycan't implement this class.
To integrate your biometric stack with BiometricPrompt andBiometricManager:

Ensure that your <Modality>Service is properly hooked up toBiometricService and hooks the authenticate()method. Common modalities (fingerprint, face) extend from a common superclass.If you need to integrate an unsupported modality, follow the fingerprint/faceexample and the CDD guidelines for biometrics.
Ensure that your new modality is properly supported in SystemUI.There are default BiometricPrompt user interfaces for fingerprint and face
Update the framework to honor KEYGUARD_DISABLE_*flags for the added biometrics.
Ensure that your device passes the CTS and CtsVerifier tests for every modalitythat you've integrated into BiometricPrompt/BiometricManager. For example, ifyou have both fingerprint and face, the tests must pass individually for each ofthem.

Note: Use the androidx.biometric support library demo app to test your implementation. This library is updated regularly with new use cases.

HAL implementation guidelines

Follow these biometric HAL guidelines to ensure that biometric data isnot leaked and is removed when a user isremoved from a device:

Make sure that raw biometric data or derivatives (such as templates) arenever accessible from outside the sensor driver or secure isolated environment(such as the TEE or Secure Element).
If the hardware supports it, limit hardware access to the secure isolatedenvironment and protect it with an SELinux policy. Make the communicationchannel (for example, SPI, I2C) accessible only to the secure isolated environmentwith an explicit SELinux policy on all device files.
Biometric acquisition, enrollment, and recognition must occur inside thesecure isolated environment to prevent data breaches and other attacks. This requirement only applies to strong biometrics.
Store only the encrypted form of biometric data or derivatives on the filesystem, even if the file system itself is encrypted.
To protect against replay attacks, sign biometric templates with a private,device-specific key. For Advanced Encryption Standard (AES), at a minimum sign atemplate with the absolute file-system path, group, and biometric ID such thattemplate files are inoperable on another device or for anyone other than theuser that enrolled them on the same device.For example, prevent copying biometric data from a different user on the samedevice or from another device.
Use the file-system path provided by theset_active_group()function or provide another way to erase all usertemplate data when the user is removed. It's strongly recommended thatbiometric template files be stored as encrypted in the path provided. If this isinfeasible due to the storage requirements of the secure isolated environment,add hooks to ensure removal of the data when the user is removed or the deviceis wiped.

Customization

If your device supports multiple biometrics, the user should be able tospecify a default in settings. Your BiometricPrompt implementation should preferthe strong biometric as the default unless the user explicitlyoverrides it, then a warning message needs to be displayed explaining therisks associated with the biometric (for example, A photo of you mayunlock your device)

Validation

Fingerprint Hardware Download For Android Phones

Your biometric implementation must pass the following tests:

CTS BiometricManager
CTS BiometricPrompt (sanity, in-depth testing relies on verifier)
CtsVerifier BiometricPromptBoundKeysTest: Must pass individually with each modality that the device supports
CtsVerifier BiometricTest: Must pass individually with each modality that the device supports.

In addition, if your device supports a biometric that has an AOSP HIDL (fingerprint@2.1,face1.0),it must pass its relevant VTS test (fingerprint,face)

Are you using latest version of android? Yes, Then use Android’s latest feature Fingerprint authentication. Only your have authorisation to access your own phone and app. After release of Android 6.0 Marshmallow android has released fingerprint secured authentication, Which allow you to secure your app and phone. It’s also called as biometric authentication.

It’s very Fast and Dependable way of authenticating user’s identity
- Nowadays all the payment apps are using fingerprint access to allow you send payment and receive payment.
- It’s very secured so it can not allow any other person’s fingerprint identity to access your phone and payment app.
- To implement this functionality in your app if you do not have Marshmallow version 6.0 than you have to download from Android SDK.
- It will not accessible in non-fingerprint support smartphone.

Steps to enable fingerprint in your smartphone.

- Your device should have fingerprint scanner which can authenticate your thumb or finger.
- Device should be compatible with android Marshmallow version 6.0.
- You have to set your device lock screen as password, pin or pattern and you have to add at least single fingerprint.

Steps for implementation via programming.
Create new Project in Android Studio
1. Create a new project in Android Studio from File ⇒ New Project and set the minimum SDK version to Android 6.0 (API 23).
2. Without permission it won’t allow you to start your app so first of all you have to add permission in AndroidManifest.xml file.
- App also need to add permission to add feature of touch sensor in order to access finger touch.
- App will check that your device has registered fingerprint or not if not then it will give message that please add at least one fingerprint in your smartphone.
XML coding for frontend UI.
activity_main.xml
xmlns:tools='http://schemas.android.com/tools'
android:id='@+id/activity_fingerprint'
android:layout_width='match_parent'
android:layout_height='match_parent'
android:background='#252b30'
android:orientation='vertical'>

Create fingerprint authentication part.

You have to check that your device has software,hardware settings to access fingerprint authentication.

Initialize both Android KeyguardManager and FingerprintManager.

KeyguardManager keyguardManager = (KeyguardManager) getSystemService(KEYGUARD_SERVICE);
FingerprintManager fingerprintManager = (FingerprintManager) getSystemService(FINGERPRINT_SERVICE);

If your device support both this conditions than you are now accessible to use fingerprint authentication.

To perform this authentication we have to create key,cipher and cryptoobject.

Below code will give you access to gain keystore instance which allows you to store cryptographic keys.

- Initialize empty keystore
- Initialize keyGenerator
try {
keyStore = KeyStore.getInstance('AndroidKeyStore');
} catch (Exception e) {
e.printStackTrace();
}

KeyGenerator keyGenerator;
try {
keyGenerator = KeyGenerator.getInstance(KeyProperties.KEY_ALGORITHM_AES, 'AndroidKeyStore');
} catch (NoSuchAlgorithmException NoSuchProviderException e) {
throw new RuntimeException('Failed to get KeyGenerator instance', e);
}

try {
keyStore.load(null);
keyGenerator.init(new
KeyGenParameterSpec.Builder(KEY_NAME,
KeyProperties.PURPOSE_ENCRYPT
KeyProperties.PURPOSE_DECRYPT)
.setBlockModes(KeyProperties.BLOCK_MODE_CBC)
.setUserAuthenticationRequired(true)
.setEncryptionPaddings(
KeyProperties.ENCRYPTION_PADDING_PKCS7)
.build());
keyGenerator.generateKey();
} catch (NoSuchAlgorithmException
InvalidAlgorithmParameterException
CertificateException IOException e) {
throw new RuntimeException(e);
}

cryptoObject = new FingerprintManager.CryptoObject(cipher);
Helper helper = new FingerprintHandler(this);
helper.startAuth(fingerprintManager, cryptoObject);

Create FingerPrintHandler class to access FingerprintManager Authentication
- onAuthenticationFailed() it will called when your authentication is incorrect or not match.
- onAuthenticationError(int errMsgId, CharSequence errString) it will called if there is any kind of fatal error.
- onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) it will called when your fingerprint is correct or successfully authorized.
- onAuthenticationHelp(int helpMsgId, CharSequence helpString) This method can give additional information regarding fingerprint authentication.

FingerprintHandler.java file
public class FingerprintHandler extends FingerprintManager.AuthenticationCallback {

private Context context;
// Constructor
public FingerprintHandler(Context mContext) {
context = mContext;
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public void startAuth(FingerprintManager manager, FingerprintManager.CryptoObject cryptoObject) {
CancellationSignal cancellationSignal = new CancellationSignal();
if (ActivityCompat.checkSelfPermission(context, Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
return;
}
manager.authenticate(cryptoObject, cancellationSignal, 0, this, null);
}

@Override
public void onAuthenticationError(int errMsgId, CharSequence errString) {
this.update('Fingerprint Authentication errorn' + errString, false);
}

@Override
public void onAuthenticationHelp(int helpMsgId, CharSequence helpString) {
this.update('Fingerprint Authentication helpn' + helpString, false);
}

@Override
public void onAuthenticationFailed() {
this.update('Fingerprint Authentication failed.', false);
}

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@Override
public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) {
this.update('Fingerprint Authentication succeeded.', true);
((Activity) context).finish();
Intent intent = new Intent(context, HomeActivity.class);
context.startActivity(intent);
}

public void update(String e, Boolean success){
TextView textView = ((Activity)context).findViewById(R.id.errorText);
textView.setText(e);
ImageView icon = ((Activity)context).findViewById(R.id.icon);
if(success){
icon.setImageDrawable(ContextCompat.getDrawable(context,R.drawable.ic_action_fingerprint_success));
textView.setTextColor(ContextCompat.getColor(context,R.color.colorAccess));
}else {
icon.setImageDrawable(ContextCompat.getDrawable(context,R.drawable.ic_action_fingerprint_error));
textView.setTextColor(ContextCompat.getColor(context,R.color.colorError));
}
}
}

MainActivity.java file
public class MainActivity extends AppCompatActivity {

private KeyStore keyStore;
// Variable used for storing the key in the Android Keystore container
private static final String KEY_NAME = 'androidHive';
private Cipher cipher;
private TextView textView;
private ImageView icon;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

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// Initializing both Android Keyguard Manager and Fingerprint Manager
KeyguardManager keyguardManager = (KeyguardManager) getSystemService(KEYGUARD_SERVICE);
FingerprintManager fingerprintManager = (FingerprintManager) getSystemService(FINGERPRINT_SERVICE);

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textView = findViewById(R.id.errorText);
icon = findViewById(R.id.icon);

// Check whether the device has a Fingerprint sensor.
if(!fingerprintManager.isHardwareDetected()){
/**
* An error message will be displayed if the device does not contain the fingerprint hardware.
* However if you plan to implement a default authentication method,
* you can redirect the user to a default authentication activity from here.
* Example:
* Intent intent = new Intent(this, DefaultAuthenticationActivity.class);
* startActivity(intent);
*/
textView.setText('Your Device does not have a Fingerprint Sensor');
}else {
// Checks whether fingerprint permission is set on manifest
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
textView.setText('Fingerprint authentication permission not enabled');
}else{
// Check whether at least one fingerprint is registered
if (!fingerprintManager.hasEnrolledFingerprints()) {
textView.setText('Register at least one fingerprint in Settings');
}else{
// Checks whether lock screen security is enabled or not
if (!keyguardManager.isKeyguardSecure()) {
textView.setText('Lock screen security not enabled in Settings');
}else{
generateKey();

if (cipherInit()) {
FingerprintManager.CryptoObject cryptoObject = new FingerprintManager.CryptoObject(cipher);
FingerprintHandler helper = new FingerprintHandler(this);
helper.startAuth(fingerprintManager, cryptoObject);
}
}
}
}
}
}

@TargetApi(Build.VERSION_CODES.M)
protected void generateKey() {
try {
keyStore = KeyStore.getInstance('AndroidKeyStore');
} catch (Exception e) {
e.printStackTrace();
}

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@TargetApi(Build.VERSION_CODES.M)
public boolean cipherInit() {
try {
cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + '/' + KeyProperties.BLOCK_MODE_CBC + '/' + KeyProperties.ENCRYPTION_PADDING_PKCS7);
} catch (NoSuchAlgorithmException NoSuchPaddingException e) {
throw new RuntimeException('Failed to get Cipher', e);
}

try {
keyStore.load(null);
SecretKey key = (SecretKey) keyStore.getKey(KEY_NAME,
null);
cipher.init(Cipher.ENCRYPT_MODE, key);
return true;
} catch (KeyPermanentlyInvalidatedException e) {
return false;
} catch (KeyStoreException CertificateException UnrecoverableKeyException IOException NoSuchAlgorithmException InvalidKeyException e) {
throw new RuntimeException('Failed to init Cipher', e);
}
}
}

How to run app in your device and emulator
- To test the app, it is possible to use a real device that has a touch sensor. Anyway, it is possible to test the app in the emulator too.
- To use this app in Android emulator you have to configure it
- Your device should be compatible of Marshmallow 6.0 version.
- If your device do not have registered of fingerprint it will show you message as per first screen
- If your fingerprint does not match it will show your incorrect fingerprint message