Introduction I am currently working on a solution that would use Android Keystore new features (since Marshmallow , API level 23). My app use both Java and C++ (NDK) and I have some critical opera...

I am writting app for Android and I have to store two keys that I will use to encrypt/decrypt some messages. ( I have to store private key RSA). I've read: https://developer.android.com/training/a...

I am developing an Android app. In my app, I am integrating Facebook Login. My Facebook login working fine. But not working when I produce release apk and run that app and try to log in with Facebo...

We are currently experiencing an issue where sometimes when a user installes our app, the app tries to access and generate a key in the keystore but the keystore throws this exception: Caused by: ...

Given that there many known issues with the Android Keystore and its ability to lose data or just generally fall over (see here, here, here, here, here and here) I'm curious to know whether any dev...

Basically whats going on is I want to encrypt/decrypt some session tokens (just a string) before/after storing them. However I've read that the Android KeyStore is locked and unaccessible while the...

Problem The keystore and its password are used to sign the app that is then used by Android to identify the developer. If leaked, someone could update the concerned app on our behalf. Even if the ...

I am trying to use the Android Key Store Provider that became available in Android 4.3 to securely save a Private Key and to then use this private key to encrypt and decode data. I think I have im...

I am trying to use a Cipher with an RSA key pair along with the "AndroidKeyStore". In all of the Android documentation I can find, the examples show Cipher.getInstance("RSA/ECB/OAEPW...

KeyInfo's isInsideSecureHardware-method's return value seems to depend on device model, os version, and some other random factors. For example when using Sony xperia z5 compact with older os versi...

I am building an android app where I need to authenticate the user via an username and password (on the backed) using the Fingerprint api. Here's my understanding what I need to do in the simplest...

Recently I upgraded Android Studio to latest stable version 2.1.2 (Win 10, Java 1.8.0_45) and problem I'm experiencing now when I try to build signed application is Keystore was tampered with, or...

I am currently attempting to put together a functioning KeyStore implementation in my Android application. I am currently building against a minimum API of 18 so that I can fully take advantage of ...

I have a single keystore (JKS) with a lot of key entries / aliases for different apps in it. Now one app will be moved to another developer and I want to export / extract the single key / alias for...

As the title says, Android Studio cannot recover the key from the Keystore to generate a release signed APK. I've had two teammates try with the same credentials I'm using and they were both able t...

When I launch my app I get the following error: V/GoogleSignatureVerifier(4962): com.myapp.application signature not valid. Found: V/GoogleSignatureVerifier(4962): MIIDDTCCAfWgAwIBAgIEO0I8qTANBgk...

I cannot obtain a (private) key from KeyStore on Android. Problem occurs mainly on Samsung devices (S6, S6 Edge) and Android 6. android.security.KeyStoreException: Invalid key blob is thrown when...

I am using the Android M Fingerprint API to allow users to login to the application. To do this I would need to store the username and password on the device. Currently I have the login working, as...

I am trying to decrypt encrypted text after the user is authenticated by the Android M Fingerprint API. I have been mostly trying to follow the Android Security samples, and the examples provided i...

I read the Android documentation in http://developer.android.com/training/articles/keystore.html But I'm missing some details... If an application generates a Key (symmetric or asymmetric) using A...

I have uploaded my app to Goggle Play few months back after signing it with a release keystore, I have stored that Keystore for future updation. Now I have updated the apk with some changes, while ...

I want to add multiple SSL certificates from a ressource file to the Android KeyStore as follow: if (sslContext==null) { // loading CA from an InputStream InputStream is = AVApplication.getConte...

i'm trying to encrypt and decrypt username in app using KeyStore, Using KeyPairGeneratorSpec to create the key in older version like 18 to 22, KeyPairGeneratorSpec as been depricated in version 2...

In my application, upon user successful authentication using OAuth I need to store the access token returned by the REST API. I was thinking of using the keystore to store this token for further us...

I have already created a keystore, signed the apk and published it the Play store as well. Now I have made some bug fixes, using the same keystore and the password and clicked next in the export a...