Indexer refactor complete. This is going to need lots of testing!

src/Jackett/Utils/StringUtil.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Security.Cryptography;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
@@ -21,5 +22,21 @@ namespace Jackett.Utils
             return Encoding.UTF8.GetString(Convert.FromBase64String(str));
         }
 
+        public static string Hash(string input)
+        {
+            // Use input string to calculate MD5 hash
+            MD5 md5 = System.Security.Cryptography.MD5.Create();
+            byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(input);
+            byte[] hashBytes = md5.ComputeHash(inputBytes);
+
+            // Convert the byte array to hexadecimal string
+            StringBuilder sb = new StringBuilder();
+            for (int i = 0; i < hashBytes.Length; i++)
+            {
+                sb.Append(hashBytes[i].ToString("X2"));
+            }
+            return sb.ToString();
+        }
+
     }
 }