[SlashPT]

Quote:

Originally Posted by [HiC]TheKiller Regardless of how a hash is designed, GPU cracking is going to be far faster. Even with CPU cracking, you're looking at in the million SHA512 hashes / sec. With a really good GPU, you're looking at figures in the 100 millions, it's really not as secure as it sounds.

You do know that at a rate of 650 Million hashes per second it would take a year minimum even with a monster GPU cluster using 8x7990 ( in other means 16x7970 and yes it's possible by watercooling those eight cards and putting in them a single slot IO bracket ). It's NOT at all easy to crack SHA512 passwords salted and if you include all chars ( When I mean all chars it's numbers, lowers, capitals and punctuation) , a max lenght for passwords of 16 characters it would take some years

And yeah SHA512 is one of the most dificult .. for example a single 7970 can make 76 million hashes per second while cracking MD5 it can make over 5400 million hashes..