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From: daniels at Ponderosatel.com (Daniel Sichel) Subject: Crypto and Primes > And if the problem of factoring large numbers into primes was indeed >solved (this is probably what you meant), I think you'd very quickly >see a complete replacement of crypto systems in use today by the >governments with such security services. Depending on how rigourous you are being, the large in large numbers is a relative term. I know from talking to someone who has worked in for real government crypto that there is enough storage space to create a lookup db of a good chunk (if not all) of the PGP crypto keys in use for common key sizes (512 and 1024). I doubt SSL is less vulnerable. I guess there's force, brute force, and brute force with taxpayer dollars. Also with cheapo Linux clusters I would think a determined hackmeister could do a crack on large prime based crypto, whether that would be computationally feasible in a relevant time frame, I don't know. I do know my gut tells me SSL is cryptographically weak and I refuse to use it in place of IPSEC. Dan Sichel
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