implemented "strong" QLIE archives encryption.

ArcFormats/Strings/arcStrings.Designer.cs

@@ -533,6 +533,15 @@ namespace GameRes.Formats.Strings {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Use default encryption scheme.
+        /// </summary>
+        public static string QLIEDefaultScheme {
+            get {
+                return ResourceManager.GetString("QLIEDefaultScheme", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Choose title or enter a password.
         /// </summary>

ArcFormats/Strings/arcStrings.resx

@@ -339,4 +339,7 @@ Choose encryption scheme or enter a passphrase.</value>
 but encryption key guess failed.
 Choose appropriate encryption scheme.</value>
   </data>
+  <data name="QLIEDefaultScheme" xml:space="preserve">
+    <value>Use default encryption scheme</value>
+  </data>
 </root>

ArcFormats/Strings/arcStrings.ru-RU.resx

@@ -248,6 +248,9 @@
   <data name="PDScrambleContents" xml:space="preserve">
     <value>Шифровать содержимое</value>
   </data>
+  <data name="QLIEDefaultScheme" xml:space="preserve">
+    <value>"Старый" метод шифрования</value>
+  </data>
   <data name="RCTChoose" xml:space="preserve">
     <value>Выберите наименование или введите пароль</value>
   </data>