Crash in Android Version 7 API 24

[karthickmurugesa]

java.lang.RuntimeException: Unable to start activity ComponentInfo{}: java.lang.RuntimeException: Failed to init Cipher
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2724)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2789)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1527)
at android.os.Handler.dispatchMessage(Handler.java:110)
at android.os.Looper.loop(Looper.java:203)
at android.app.ActivityThread.main(ActivityThread.java:6253)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1063)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:924)
Caused by: java.lang.RuntimeException: Failed to init Cipher
at com.utils.fingerprint.BiometricManagerV23.initCipher(BiometricManagerV23.java:180)
at com.utils.fingerprint.BiometricManagerV23.displayBiometricPromptV23(BiometricManagerV23.java:55)

[Sammekl]

Could you post the nested exception thrown from: Caused by: java.lang.RuntimeException: Failed to init Cipher? It should be one of the following: CertificateException | UnrecoverableKeyException | IOException | NoSuchAlgorithmException | InvalidKeyException | KeyStoreException.

[DhruvaSambrani]

This is the same issue but with API 27 on Android emulator.

2019-06-14 13:20:59.906 7217-7217/com.dhruva.iiser E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.dhruva.iiser, PID: 7217
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dhruva.iiser/com.dhruva.iiser.LoginActivity}: java.lang.RuntimeException: Failed to init Cipher
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2778)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856)
        at android.app.ActivityThread.-wrap11(Unknown Source:0)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:164)
        at android.app.ActivityThread.main(ActivityThread.java:6494)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
     Caused by: java.lang.RuntimeException: Failed to init Cipher
        at com.an.biometric.BiometricManagerV23.initCipher(BiometricManagerV23.java:174)
        at com.an.biometric.BiometricManagerV23.displayBiometricPromptV23(BiometricManagerV23.java:53)
        at com.an.biometric.BiometricManager.displayBiometricDialog(BiometricManager.java:70)
        at com.an.biometric.BiometricManager.authenticate(BiometricManager.java:61)
        at com.dhruva.iiser.LoginActivity.onCreate(LoginActivity.java:106)
        at android.app.Activity.performCreate(Activity.java:7009)
        at android.app.Activity.performCreate(Activity.java:7000)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1214)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2731)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856) 
        at android.app.ActivityThread.-wrap11(Unknown Source:0) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589) 
        at android.os.Handler.dispatchMessage(Handler.java:106) 
        at android.os.Looper.loop(Looper.java:164) 
        at android.app.ActivityThread.main(ActivityThread.java:6494) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807) 

    //HERE IS THE ERROR
Caused by: java.security.InvalidKeyException: Only SecretKey is supported
        at com.android.org.conscrypt.OpenSSLCipher.checkAndSetEncodedKey(OpenSSLCipher.java:436)
        at com.android.org.conscrypt.OpenSSLCipher.engineInit(OpenSSLCipher.java:261)
        at javax.crypto.Cipher.tryTransformWithProvider(Cipher.java:2668)
        at javax.crypto.Cipher.tryCombinations(Cipher.java:2575)
        at javax.crypto.Cipher$SpiAndProviderUpdater.updateAndGetSpiAndProvider(Cipher.java:2480)
        at javax.crypto.Cipher.chooseProvider(Cipher.java:567)
        at javax.crypto.Cipher.init(Cipher.java:831)
        at javax.crypto.Cipher.init(Cipher.java:772)
        at com.an.biometric.BiometricManagerV23.initCipher(BiometricManagerV23.java:163)
        at com.an.biometric.BiometricManagerV23.displayBiometricPromptV23(BiometricManagerV23.java:53) 
        at com.an.biometric.BiometricManager.displayBiometricDialog(BiometricManager.java:70) 
        at com.an.biometric.BiometricManager.authenticate(BiometricManager.java:61) 
        at com.dhruva.iiser.LoginActivity.onCreate(LoginActivity.java:106) 
        at android.app.Activity.performCreate(Activity.java:7009) 
        at android.app.Activity.performCreate(Activity.java:7000) 
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1214) 
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2731) 
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856) 
        at android.app.ActivityThread.-wrap11(Unknown Source:0) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589) 
        at android.os.Handler.dispatchMessage(Handler.java:106) 
        at android.os.Looper.loop(Looper.java:164) 
        at android.app.ActivityThread.main(ActivityThread.java:6494) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807) 

[DhruvaSambrani]

Does this help @Sammekl

[abhiandroid13267]

it requires runtime permission