package app.fedilab.android.helper; import android.content.Context; import android.util.Base64; import java.util.Random; public class PushNotifications { public void registerPushNotifications(Context context, String endpoint) { ECDH ecdh = new ECDH(); String pubKey = ecdh.getPublicKey(context); byte[] randBytes = new byte[16]; new Random().nextBytes(randBytes); String auth = Base64.encodeToString(randBytes, Base64.DEFAULT); //register String server_key = ""; //fetch in the json ecdh.saveServerKey(context, server_key); } public void displayNotification(Context context, String ciphered) { ECDH ecdh = new ECDH(); byte[] secret = ecdh.getSecret(context); //process with the event // https://openacs.org/webpush-demo/report.html // decrypt using AES 128 GCM } }