Bare JavaCard Ant project

.gitignore

@@ -0,0 +1,3 @@
+java_card_kit*/
+build/
+tools/

build.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project basedir="." default="buildcap" name="Crystal">
+  <description>
+    JavaCard Applet for the Kyber Post-Quantum-Cryptography Algorithm
+  </description>
+
+  <property name="JCSDK" value="C:\Program Files (x86)\Oracle\Java Card Development Kit 3.0.5u4" />
+
+  <target name="clean">
+    <delete dir="build" />
+  </target>
+
+  <target name="setup">
+    <mkdir dir="tools"/>
+    <get src="https://github.com/martinpaljak/ant-javacard/releases/download/v24.11.19/ant-javacard.jar" dest="tools" skipexisting="true"/>
+    <get src="https://github.com/martinpaljak/GlobalPlatformPro/releases/download/v24.10.15/gp.jar" dest="tools" skipexisting="true"/>
+  </target>
+
+  <target name="build" depends="clean,setup">
+    <!-- ant-javacard task from javacard.pro -->
+    <taskdef name="javacard" classname="pro.javacard.ant.JavaCard" classpath="tools/ant-javacard.jar" />
+    <javacard jckit="${JCSDK}">
+      <cap output="build/cyber.cap" aid="A000000648" sources="src" targetsdk="java_card_kit-2_2_1">
+        <applet class="org.hacdc.cyber.Cyber" aid="A0000006482F0002" />
+      </cap>
+    </javacard>
+  </target>
+
+  <!-- Install Applet -->
+  <target name="install" depends="build">
+    <java jar="tools/gp.jar" fork="true">
+      <arg value="-reinstall" />
+      <arg value="build/cyber.cap" />
+    </java>
+  </target>
+
+</project>

src/org/hacdc/cyber/Cyber.java

@@ -0,0 +1,16 @@
+package org.hacdc.cyber;
+
+import javacard.framework.APDU;
+import javacard.framework.Applet;
+
+public class Cyber extends Applet {
+    public static void install(byte[] buffer, short offset, byte length){
+		// GP-compliant JavaCard applet registration
+		new Cyber().register();
+	}
+
+    public void process(APDU apdu){
+        // Process APDU commands
+    }
+
+}