2048-bit RSA keys

[Matt Crawford]

On Aug 15, 2010, at 8:35 PM, Arash Partow wrote:

> Just out of curiosity, assuming the optimal use of today's best of breed factoring algorithms - will there be enough energy in our solar system to factorize a 2048-bit RSA integer?

Computation can be performed with arbitrarily small energy expenditure or entropy increase.

http://en.wikipedia.org/wiki/Reversible_computing



Not by the architectures we use, of course.

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