I've been told (by somebody much more diligent than I, who actually did the math) that the number of compute-cycles works out to around 2^64. The theoretical number of steps required is 2^53.
Of course, each step is /not/ 1 cycle, so if we assume that they're around 2048 cycles each it's right on the money. (Once again, full credit to Paulo and others, I'm just a fly on the wall.) On Jun 20, 2012, at 11:39 AM, William Whyte wrote: > Does anyone know if this attack took the expected amount of time (confirming > the strength of this particular curve), or significantly less (in which case > it’s something to be concerned about)? > > William
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