i had heard a lot about john the ripper, so i tried it out today, but i have no clue how to use it.
it can be used to crack encrypted files, not just linux account passwords, correct? i tried: "john-386 test.zip", but it said "no password hashes loaded" what does this mean? how do i crack a simple encrypted file?
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Torvalds was contemptuous of Microsoft's claims and has asked Redmond to name the patent infringements so that their veracity can be challenged and workarounds found.
"Naming them would either make it clear that Linux is not infringing at all (which is quite possible, especially if the patents are bad), or would make it possible to avoid infringing by coding around whatever silly thing they claim,"
"So the whole 'We have a list and we're not telling you' should tell you something. Don't you think that if Microsoft actually had some really foolproof patent, they'd just tell us and go, 'nyaah, nyaah, nyaah!'?"
whole story here:
http://www.vnunet.com/vnunet/news/21...-microsoft-put 
john the ripper help 
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