Updated 31 January 2020
The issue is mostly encountered in devices below lollipop i.e, KitKat and below devices.
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javax.net.ssl.SSLHandshakeException: javax.net.ssl.SSLProtocolException: SSL handshake aborted: ssl=0xb7fc9510: Failure in SSL library, usually a protocol error error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version (external/openssl/ssl/s23_clnt.c:741 0x98960990:0x00000000) |
What Is TLS/SSL and how it works?
Transport Layer Security(TLS) and its predecessor Secure Sockets Layer(SSL) are standard security protocols for establishing a secure connection between a server and a client typically used for web server and mobile device/browser.
How to resolve SSL error on android below lollipop?
We can install a newer security provider using Google Play Services
1. Patch synchronously
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class Application : Application() { override fun onCreate() { super.onCreate() if (Build.VERSION.SDK_INT in 17..20) { try { ProviderInstaller.installIfNeeded(applicationContext) } catch (e: GooglePlayServicesRepairableException) { e.printStackTrace() } catch (e: GooglePlayServicesNotAvailableException) { e.printStackTrace() } catch (e: NoSuchAlgorithmException) { e.printStackTrace() } catch (e: KeyManagementException) { e.printStackTrace() } } } } |
2. Patch asynchronously
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public class MainActivity extends Activity implements ProviderInstaller.ProviderInstallListener { private static final int ERROR_DIALOG_REQUEST_CODE = 1; private boolean retryProviderInstall; //Update the security provider when the activity is created. @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (Build.VERSION.SDK_INT in 17..20) { ProviderInstaller.installIfNeededAsync(this, this); } } /** * This method is only called if the provider is successfully updated * (or is already up-to-date). */ @Override protected void onProviderInstalled() { // Provider is up-to-date, app can make secure network calls. } /** * This method is called if updating fails; the error code indicates * whether the error is recoverable. */ @Override protected void onProviderInstallFailed(int errorCode, Intent recoveryIntent) { GoogleApiAvailability availability = GoogleApiAvailability.getInstance(); if (availability.isUserRecoverableError(errorCode)) { // Recoverable error. Show a dialog prompting the user to // install/update/enable Google Play services. availability.showErrorDialogFragment( this, errorCode, ERROR_DIALOG_REQUEST_CODE, new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { // The user chose not to take the recovery action onProviderInstallerNotAvailable(); } }); } else { // Google Play services is not available. onProviderInstallerNotAvailable(); } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == ERROR_DIALOG_REQUEST_CODE) { // Adding a fragment via GoogleApiAvailability.showErrorDialogFragment // before the instance state is restored throws an error. So instead, // set a flag here, which will cause the fragment to delay until // onPostResume. retryProviderInstall = true; } } /** * On resume, check to see if we flagged that we need to reinstall the * provider. */ @Override protected void onPostResume() { super.onPostResume(); if (retryProviderInstall) { // We can now safely retry installation. ProviderInstaller.installIfNeededAsync(this, this); } retryProviderInstall = false; } private void onProviderInstallerNotAvailable() { // This is reached if the provider cannot be updated for some reason. // App should consider all HTTP communication to be vulnerable, and take // appropriate action. } } |
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