On Mon, 27 Sep 2010 15:56:52 +0200, Vjaceslavs Klimovs <vklim...@gmail.com> wrote: > I did some quick tests on Nokia N900 (600 MHz ARM CPU), with gnupg > 1.4.6, here is what I got: > > Encrypting and signing, 2048 bit RSA keys: > > real 0m 2.50s > user 0m 0.50s > sys 0m 0.02s > > Decrypting and verifying, 2048 bit RSA keys: > > real 0m 1.74s > user 0m 0.41s > sys 0m 0.04s > > Encrypting and signing, 4096 bit RSA keys: > > real 0m 3.58s > user 0m 1.92s > sys 0m 0.06s > > Decrypting and veryfying, 4096 bit RSA keys: > > real 0m 3.80s > user 0m 1.89s > sys 0m 0.03s > > Is one second considered a rule of thumb limit? That would mean that > 4096 keys are not suitable for widespread use yet.
Then by that logic neither are 2048 bit keys. jamie.
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