Provide latest version of Bouncy Castle

app/src/main/java/eu/faircode/email/EncryptionHelper.java

@@ -0,0 +1,50 @@
+package eu.faircode.email;
+
+/*
+    This file is part of FairEmail.
+
+    FairEmail is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    FairEmail is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with FairEmail.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2018-2021 by Marcel Bokhorst (M66B)
+*/
+
+import android.content.Context;
+
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+
+import java.security.Provider;
+import java.security.Security;
+
+public class EncryptionHelper {
+    static {
+        try {
+            Provider[] providers = Security.getProviders();
+            for (int p = 0; p < providers.length; p++)
+                if (BouncyCastleProvider.PROVIDER_NAME.equals(providers[p].getName())) {
+                    Security.removeProvider(BouncyCastleProvider.PROVIDER_NAME);
+                    Provider bc = new BouncyCastleProvider();
+                    Security.insertProviderAt(bc, p + 1);
+                    Log.i("Replacing security provider " + providers[p] + " at " + p + " by " + bc);
+                    break;
+                }
+        } catch (Throwable ex) {
+            Log.e(ex);
+        }
+    }
+
+    static void init(Context context) {
+
+    }
+}
+