add basic open subtitle configuration

MediaBrowser.Server.Implementations/Security/EncryptionManager.cs

@@ -0,0 +1,36 @@
+using MediaBrowser.Controller.Security;
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace MediaBrowser.Server.Implementations.Security
+{
+    public class EncryptionManager : IEncryptionManager
+    {
+        /// <summary>
+        /// Encrypts the string.
+        /// </summary>
+        /// <param name="value">The value.</param>
+        /// <returns>System.String.</returns>
+        /// <exception cref="System.ArgumentNullException">value</exception>
+        public string EncryptString(string value)
+        {
+            if (value == null) throw new ArgumentNullException("value");
+
+            return Encoding.Default.GetString(ProtectedData.Protect(Encoding.Default.GetBytes(value), null, DataProtectionScope.LocalMachine));
+        }
+
+        /// <summary>
+        /// Decrypts the string.
+        /// </summary>
+        /// <param name="value">The value.</param>
+        /// <returns>System.String.</returns>
+        /// <exception cref="System.ArgumentNullException">value</exception>
+        public string DecryptString(string value)
+        {
+            if (value == null) throw new ArgumentNullException("value");
+
+            return Encoding.Default.GetString(ProtectedData.Unprotect(Encoding.Default.GetBytes(value), null, DataProtectionScope.LocalMachine));
+        }
+    }
+}