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by marcosdumay 4746 days ago
> Granted that is the worst case for the cracker, but the average case is also going to take quite a while.

The average case for finding something equaly distributed in a space is half the time, or about 5 * 10^59 seconds, what is about the same thing, because with numbers that big "about" usualy means anything from *10 to /10.

Of course, RSA keys aren't equaly distributed at the key space. That gives an speedup of sume number between 1 and 2 that I can remember (still about the same thing), and there are search algorithms that reduce the number of tries by some non-trivial amount. I'm not up-to-date on them.