diff --git a/README b/README.md
similarity index 100%
rename from README
rename to README.md
diff --git a/decrypt_bios.js b/decrypt_bios.js
index 25dda9a..e1d8a6e 100644
--- a/decrypt_bios.js
+++ b/decrypt_bios.js
@@ -130,9 +130,9 @@ function badCRC16(pwd, salt){
     salt = (typeof(salt) == 'undefined') ? 0 : salt;
     var hash = salt;
     var c = 0;
-    for(c in pwd){
+    for(var c=0;c < pwd.length;c++){
         hash ^= pwd[c] ;
-        for(var i=0;i<8;i++){
+        for(var i=8;i--;){
             if(hash & 1){
                 hash = (hash >> 1) ^ 0x2001;
             } else {