On Sun, 21 Sep 2008, Gordon JC Pearce wrote:
>> i'm not that kind of nut. i'm the kind of nut that uses 4096 RSA
>> encryption keys on my pgp key.
>
> Use 4097 bits. Not only is it twice as hard to crack, but no-one would
> guess it was a funny size...
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when dealing with symmetric encryption, each extra bit doubles the
keyspace. with asymmetric encryption (RSA) it doesn't quite scale the way.
http://en.wikipedia.org/wiki/Cryptographic_key_length#Asymmetric_algorithm_key_lengths--
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