diff --git a/newbiecontest/prog/crypto/crypto.lua b/newbiecontest/prog/crypto/crypto.lua
index fa9aa95..7d3e66a 100755
--- a/newbiecontest/prog/crypto/crypto.lua
+++ b/newbiecontest/prog/crypto/crypto.lua
@@ -33,7 +33,7 @@ function extract_message(cookie_name, cookie_value, url)
 
     -- add the SMF cookie to the header
     local headers = {
-        ["Cookie"] = cookie_name .. "=" .. cookie_value;
+        ["Cookie"] = cookie_name .. "=" .. cookie_value
     }
 
     -- request
@@ -46,39 +46,39 @@ function extract_message(cookie_name, cookie_value, url)
     string_r = table.concat(t)
 
     -- extract message and key
-    message = string.match(string_r, '\'([a-z]+)\'');
-    key = string.match(string_r, '\'([0-9]+)\'');
+    message = string.match(string_r, '\'([a-z]+)\'')
+    key = string.match(string_r, '\'([0-9]+)\'')
 
-    return message, key;
+    return message, key
 
 end
 
 -- decrypt
 function decrypt(message, key)
 
-    i = 0;
-    char_code = 0;
+    i = 0
+    char_code = 0
 
     -- create the local table containing the solution
-    local r = {};
+    local r = {}
 
     -- for each byte of the message
     for i = 1, string.len(message), i + 1 do
         -- extract the char code
-        char_code = string.byte(message, i);
+        char_code = string.byte(message, i)
         -- if it goes behind the "a" move to "z"
         if (char_code - key < string.byte("a"))
             then
                 -- here goes the barbary...
                 r[i] = string.char((string.byte("z")) - (key - (char_code -
-                string.byte("a") - 1)));
+                string.byte("a") - 1)))
             -- if it's not, just do it
             else
-                r[i] = string.char(char_code - key);
+                r[i] = string.char(char_code - key)
             end
         end
 
-        return table.concat(r);
+        return table.concat(r)
 
     end
 
@@ -93,7 +93,7 @@ function decrypt(message, key)
 
         -- add the SMF cookie to the header
         local headers = {
-            ["Cookie"] = cookie_name .. "=" .. cookie_value;
+            ["Cookie"] = cookie_name .. "=" .. cookie_value
         }
 
         -- send the reply
@@ -102,7 +102,7 @@ function decrypt(message, key)
             sink = ltn12.sink.table(t)
         }
 
-        return table.concat(t); -- return the token
+        return table.concat(t) -- return the token
 
     end
 
@@ -120,9 +120,9 @@ function decrypt(message, key)
 
     cookie_value, cookie_name = extract_cookie(conn)
 
-    message, key = extract_message(cookie_name, cookie_value, arg[2]);
+    message, key = extract_message(cookie_name, cookie_value, arg[2])
 
-    r = decrypt(message, key);
+    r = decrypt(message, key)
 
     token = send_response(r, arg[3])