I forgot to put the links on time to crack. This will be interesting as the first link dated 2012 will discuss the brute force time to crack:
http://www.eetimes.com/document.asp?doc_id=1279619
Now let's see how a modern approach does it and note the article is in the same year:
http://www.maximumpc.com/researchers...-world-record/
But even cracking the encryption in 148 days or less depending on the parallel processors, it's quite a bit easier to crack the password especially if they are just 6 characters in length.