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Re: PGP5i supports RSA keys?
Bill Stewart <[email protected]> writes:
> ...
> but there's also really no need for keys longer than 2048 bits unless
> some radical algorithmic breakthrough happens. (Computer hardware
> breakthroughs aren't relevant; the exponential behaviour of the
> algorithms mean that a few extra bits makes any device that fits
> on the planet still too small.) 1024 bits is probably enough,
> but maybe not, depending on how long you need to keep something secret
> and how much technology improves doing your lifetime.
Sorry, but computer hardware performance is increasing exponentially,
but the difficulty of factoring is subexponential in the length of the
number.