RSA crypto example

 Android RSA Open Source

The RSA encryption algorithm provides higher resistance against decoding than AES

Full working example in Java

activity_main.xml

 <?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TableLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:stretchColumns="*"
        app:layout_constraintBottom_toBottomOf="parent"
        android:id="@+id/tableLayout1">

        <TableRow
            android:id="@+id/tableRow1"
            android:layout_width="match_parent"
            android:layout_height="250dp">

            <TextView
                android:id="@+id/TXTV"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                android:text="RSA"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />
        </TableRow>
        <TableRow
            android:id="@+id/tableRow2"
            android:layout_width="match_parent"
            android:layout_height="250dp">
            <TextView
                android:id="@+id/textViewEncoded"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                android:text="textViewEncoded"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />
        </TableRow>
        <TableRow
            android:id="@+id/tableRow3"
            android:layout_width="match_parent"
            android:layout_height="250dp">
            <TextView
                android:id="@+id/textViewDecoded"
                android:layout_width="match_parent"
                android:layout_height="250dp"
                android:text="textViewDecoded"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />
        </TableRow>

    </TableLayout>


</androidx.constraintlayout.widget.ConstraintLayout>

Valery Shmelev  https://www.linkedin.com/in/valery-shmelev-479206227/

 Android RSA Open Source