From f3beb1624c24012c246d17a40c4e10c1c6b3b5b5 Mon Sep 17 00:00:00 2001
From: Thomas Vanbesien <tvanbesi@proton.me>
Date: Tue, 31 Mar 2026 17:44:35 +0200
Subject: Add passphrase-protected private key support

Wire up QOpcUaClient::passwordForPrivateKeyRequired to a QML dialog,
mirroring the existing certificate trust flow (local QEventLoop + 30s
timeout).
---
 demo/KeyPasswordDialog.qml | 53 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 demo/KeyPasswordDialog.qml

(limited to 'demo/KeyPasswordDialog.qml')

diff --git a/demo/KeyPasswordDialog.qml b/demo/KeyPasswordDialog.qml
new file mode 100644
index 0000000..4bf094c
--- /dev/null
+++ b/demo/KeyPasswordDialog.qml
@@ -0,0 +1,53 @@
+// KeyPasswordDialog.qml — Modal dialog for encrypted private-key passphrase.
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import Bobink
+
+Dialog {
+    id: keyPasswordDialog
+
+    property string keyFilePath
+    property bool previousTryWasInvalid: false
+
+    anchors.centerIn: parent
+    implicitWidth: 400
+    modal: true
+    standardButtons: Dialog.Ok | Dialog.Cancel
+    title: "Private Key Password"
+
+    onAccepted: Bobink.provideKeyPassword(passwordField.text)
+    onOpened: {
+        passwordField.text = "";
+        passwordField.forceActiveFocus();
+    }
+    onRejected: Bobink.cancelKeyPassword()
+
+    ColumnLayout {
+        width: parent.width
+
+        Label {
+            Layout.fillWidth: true
+            text: "Enter the password for:\n" + keyPasswordDialog.keyFilePath
+            wrapMode: Text.Wrap
+        }
+
+        Label {
+            Layout.fillWidth: true
+            color: "red"
+            text: "Invalid password, please try again."
+            visible: keyPasswordDialog.previousTryWasInvalid
+        }
+
+        TextField {
+            id: passwordField
+
+            Layout.fillWidth: true
+            echoMode: TextInput.Password
+            placeholderText: "Password"
+
+            onAccepted: keyPasswordDialog.accept()
+        }
+    }
+}
-- 
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