1 files changed, 15 insertions, 1 deletions
diff --git a/src/main/ui/MainUI.java b/src/main/ui/MainUI.java
index 9637d79..34cc224 100644
--- a/src/main/ui/MainUI.java
+++ b/src/main/ui/MainUI.java
@@ -92,6 +92,7 @@ public class MainUI extends JFrame {
     private final JButton buttonGenPrivKey = btn("Generate", 'G', this::onGeneratePrivateKey);
     private final JButton buttonInstallCA = btn("Install", 'I', this::onInstallCA);
     private final JButton buttonGenCSR = btn("CSR", this::onSignCSR);
+    private final QRPanel panelQR = new QRPanel(256);
     private final JToolBar toolbarCA = new JToolBar();
     private final JButton buttonCAToolbarCRL = btn("CRL", "publisher.png", this::onCRL);
 
@@ -192,6 +193,17 @@ public class MainUI extends JFrame {
         renderRefresh();
     }
 
+    /**
+     * EFFECTS: Set the QR code data to either null (no public key) or PEM-encoded PKCS#1 public key.
+     */
+    private void renderQRPublicKey() {
+        if (ca.getPublicKey() == null) {
+            panelQR.setData(null);
+            return;
+        }
+        panelQR.setData(Utils.toPEM(Utils.byteToByte(ca.getPublicKey().getEncoded()), "PUBLIC KEY"));
+    }
+
     // -----END HELPER METHODS-----
 
     // -----BEGIN DATA OBSERVERS-----
@@ -327,7 +339,8 @@ public class MainUI extends JFrame {
         panelTabCA.add(buttonGenPrivKey, new GCBuilder().gridXY(1, 1).fill(HORIZONTAL).build());
         panelTabCA.add(buttonInstallCA, new GCBuilder().gridXY(1, 2).fill(HORIZONTAL).build());
         panelTabCA.add(buttonGenCSR, new GCBuilder().gridXY(2, 2).fill(HORIZONTAL).build());
-        panelTabCA.add(new JPanel(), new GCBuilder().gridXY(3, 3).expandXY().fill(BOTH).build());
+        panelTabCA.add(panelQR, new GCBuilder().gridY(3).fill(HORIZONTAL).build());
+        panelTabCA.add(new JPanel(), new GCBuilder().gridXY(4, 4).expandXY().fill(BOTH).build());
         tabbedPane.addTab("Certs", panelCertsTab = defView(scrTbl(tableCerts), "No issued certs"));
         tabbedPane.addTab("Templates", panelTmpTab = defView(scrTbl(tableTemplates), "No templates"));
 
@@ -339,6 +352,7 @@ public class MainUI extends JFrame {
      * MODIFIES: this
      */
     private void renderCAPage() {
+        renderQRPublicKey();
         if (ca.getPublicKey() == null) {
             labelPrivateKey.setText("Private key not installed");
         } else {