serverlist handler + basic crypto, rename project

Novaria.Common/Crypto/AeadTool.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Novaria.Common.Crypto
+{
+    public static class AeadTool
+    {
+        public static readonly byte[] DEFAULT_SERVERLIST_KEY;
+        public static readonly byte[] DEFAULT_SERVERLIST_IV;
+
+        static AeadTool()
+        {
+            DEFAULT_SERVERLIST_KEY = new byte[] { 74, 72, 42, 67, 80, 51, 50, 57, 89, 120, 111, 103, 81, 74, 69, 120 };
+            DEFAULT_SERVERLIST_IV = new byte[] { 225, 92, 61, 72, 193, 89, 3, 64, 50, 61, 50, 145, 59, 128, 99, 72 };
+        }
+
+        public static byte[] DecryptAesCBCInfo(byte[] key, byte[] IV, byte[] cipherBytes)
+        {
+            return null;
+        }
+
+        public static byte[] EncryptAesCBCInfo(byte[] key, byte[] IV, byte[] plainBytes)
+        {
+            using (Aes aes = Aes.Create())
+            {
+                aes.Key = key;
+                aes.IV = IV;
+                aes.Mode = CipherMode.CBC;
+                aes.Padding = PaddingMode.PKCS7;
+
+                using (ICryptoTransform encryptor = aes.CreateEncryptor())
+                {
+                    return encryptor.TransformFinalBlock(plainBytes, 0, plainBytes.Length);
+                }
+            }
+        }
+
+    }
+}