This SDK is used to encrypt card data on the client side. In this case on the Android device itself. The crypted data that is created by CSE can be transferred to the Buckaroo API through you own server.
The Buckaroo CSE SDK for Android is written in Java and is compatible with Android SDK 15+. No other dependencies are required.
See below an example of how to use this SDK to encrypt some dummy card credentials.
import nl.buckaroo.cse.CSE;
String encryptedData = CSE.encrypt("5386860000000000", "2020","12","123","A DE GROOT");
System.out.println("encryptedData: " + encryptedData);