On Fri, 2003-09-26 at 12:08, Gordan wrote: > Of course, if the hashing function is complex enough to take 1 second to > calculate on modern hardware, then it will take 136 years of CPU time to work > out every possible combination. However, this could be narrowed down > considerably by only checking known fertile IP blocks, e.g. South America, > Far East, etc.
Remember these guys have thousands of machines ready to do exactly what they tell them. It works out to a few weeks, even allowing for redundant calculations and the need to run at low priority. It certainly doesn't require much memory per system, so running it in the background ought to be unnoticeable by the owner. Still, you could always change the hash function every day. -- Ed Huff -- Edward J. Huff <[EMAIL PROTECTED]>
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