Написана система взаимодействия со строками

Signed-off-by: Lev Rusanov <30170278+JDM170@users.noreply.github.com>

Utils.cs

@@ -0,0 +1,27 @@
+using System.IO;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace SaveWizard_rewritten
+{
+    static class Utils
+    {
+        public static string GenerateMD5(string filename)
+        {
+            if (!File.Exists(filename))
+                return null;
+            using (var md5 = MD5.Create())
+            {
+                using (FileStream stream = File.OpenRead(filename))
+                    md5.ComputeHash(stream);
+                
+                StringBuilder sb = new StringBuilder();
+                byte[] hash = md5.Hash;
+                for (int i = 0; i < hash.Length; i++)
+                    sb.Append(hash[i].ToString("x2"));
+
+                return sb.ToString();
+            }
+        }
+    }
+}