Android Open Source

  RSA Java Crypto Project MainActivity.java Full working example. The markup is given in the previous post. package org.o7planning.rsa; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.util.Base64; import android.util.Log; import android.view.View; import android.widget.TextView; import java.security.Key; import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.Provider; import java.security.Security; import java.util.Iterator; import java.util.TreeSet; import javax.crypto.Cipher; public class MainActivity extends AppCompatActivity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         // Original text         String testText...