move classes to new server project

Emby.Server.Implementations/Security/EncryptionManager.cs

@@ -0,0 +1,51 @@
+using MediaBrowser.Controller.Security;
+using System;
+using System.Text;
+
+namespace Emby.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 EncryptStringUniversal(value);
+        }
+
+        /// <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 DecryptStringUniversal(value);
+        }
+
+        private string EncryptStringUniversal(string value)
+        {
+            // Yes, this isn't good, but ProtectedData in mono is throwing exceptions, so use this for now
+
+            var bytes = Encoding.UTF8.GetBytes(value);
+            return Convert.ToBase64String(bytes);
+        }
+
+        private string DecryptStringUniversal(string value)
+        {
+            // Yes, this isn't good, but ProtectedData in mono is throwing exceptions, so use this for now
+
+            var bytes = Convert.FromBase64String(value);
+            return Encoding.UTF8.GetString(bytes, 0, bytes.Length);
+        }
+    }
+}