Fixed error with mifare_autopwn where keys were reversed, see http://www.proxmark...

[proxmark3-svn] / client / scripts / mifare_autopwn.lua

diff --git a/client/scripts/mifare_autopwn.lua b/client/scripts/mifare_autopwn.lua
index ccb46c5301b1b83295a8b0f4db126e2b3aa8cd92..cc9d1a323bd19f89b788d789374f440545814f2b 100644 (file)
--- a/client/scripts/mifare_autopwn.lua
+++ b/client/scripts/mifare_autopwn.lua
@@ -171,7 +171,12 @@ function main(args)
                        local key, cnt
                        res,err = mfcrack()
                        if not res then return oops(err) end
-                       _,key = bin.unpack("H6",res)
+                       -- The key is actually 8 bytes, so a 
+                       -- 6-byte key is sent as 00XXXXXX
+                       -- This means we unpack it as first
+                       -- two bytes, then six bytes actual key data
+                       -- We can discard first and second return values
+                       _,_,key = bin.unpack("H2H6",res)
                        print("Key ", key)
 
                        -- Use nested attack
@@ -182,5 +187,6 @@ function main(args)
        end
 end
 
+end
 -- Call the main 
 main(args)