feat: Bring over the cryptography API from moxplatform

example/lib/main.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+import 'dart:typed_data';
 import 'package:flutter/material.dart';
 import 'package:moxxy_native/moxxy_native.dart';
 
@@ -5,9 +7,16 @@ void main() {
   runApp(const MyApp());
 }
 
-class MyApp extends StatelessWidget {
+class MyApp extends StatefulWidget {
   const MyApp({super.key});
 
+  @override
+  MyAppState createState() => MyAppState();
+}
+
+class MyAppState extends State<MyApp> {
+  String? imagePath;
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
@@ -44,6 +53,48 @@ class MyApp extends StatelessWidget {
               },
               child: const Text('Generic multi-picker'),
             ),
+            TextButton(
+              onPressed: () async {
+                final result = await MoxxyPickerApi().pickFiles(FilePickerType.image, false);
+                if (result.isEmpty) return;
+
+                final encDest = result.first! + '.enc';
+                final decDest = result.first! + '.dec';
+                final encResult = await MoxxyCryptographyApi().encryptFile(
+                  result.first!,
+                  encDest,
+                  Uint8List.fromList(List.filled(32, 1)),
+                  Uint8List.fromList(List.filled(16, 2)),
+                  CipherAlgorithm.aes256CbcPkcs7,
+                  'SHA-256',
+                );
+                if (encResult == null) {
+                  print('Failed to encrypt file');
+                  return;
+                }
+
+                final decResult = await MoxxyCryptographyApi().decryptFile(
+                  encDest,
+                  decDest,
+                  Uint8List.fromList(List.filled(32, 1)),
+                  Uint8List.fromList(List.filled(16, 2)),
+                  CipherAlgorithm.aes256CbcPkcs7,
+                  'SHA-256',
+                );
+                if (decResult == null) {
+                  print('Failed to decrypt file');
+                  return;
+                }
+
+                setState(() {
+                  imagePath = decDest;
+                });
+              },
+              child: Text('Test cryptography'),
+            ),
+
+            if (imagePath != null)
+              Image.file(File(imagePath!)),
           ],
         ),
       ),

example/pubspec.lock

@@ -130,54 +130,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.8.2"
-  permission_handler:
-    dependency: "direct main"
-    description:
-      name: permission_handler
-      sha256: bc56bfe9d3f44c3c612d8d393bd9b174eb796d706759f9b495ac254e4294baa5
-      url: "https://pub.dev"
-    source: hosted
-    version: "10.4.5"
-  permission_handler_android:
-    dependency: transitive
-    description:
-      name: permission_handler_android
-      sha256: "59c6322171c29df93a22d150ad95f3aa19ed86542eaec409ab2691b8f35f9a47"
-      url: "https://pub.dev"
-    source: hosted
-    version: "10.3.6"
-  permission_handler_apple:
-    dependency: transitive
-    description:
-      name: permission_handler_apple
-      sha256: "99e220bce3f8877c78e4ace901082fb29fa1b4ebde529ad0932d8d664b34f3f5"
-      url: "https://pub.dev"
-    source: hosted
-    version: "9.1.4"
-  permission_handler_platform_interface:
-    dependency: transitive
-    description:
-      name: permission_handler_platform_interface
-      sha256: f2343e9fa9c22ae4fd92d4732755bfe452214e7189afcc097380950cf567b4b2
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.11.5"
-  permission_handler_windows:
-    dependency: transitive
-    description:
-      name: permission_handler_windows
-      sha256: cc074aace208760f1eee6aa4fae766b45d947df85bc831cde77009cdb4720098
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.1.3"
-  plugin_platform_interface:
-    dependency: transitive
-    description:
-      name: plugin_platform_interface
-      sha256: da3fdfeccc4d4ff2da8f8c556704c08f912542c5fb3cf2233ed75372384a034d
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.6"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -241,4 +193,4 @@ packages:
     version: "2.1.4"
 sdks:
   dart: ">=2.19.6 <3.0.0"
-  flutter: ">=2.8.0"
+  flutter: ">=2.5.0"