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Re: Diffie-Hellman (note by Hugo)



>  James P Hughes says:
>  > 3. Over the lifetime of a standard (10 years or so), something that is
>  > marginal because it is processor intensive now, and will be not at all too
>  > expensive in the future. This is better than a standard that is just fine
>  > now and not enough (compared to feasable other algorithms) in the future.

>  I could not agree more. What seems slow now will seem trivial in five
>  years.

One might note a corollary that what seems secure now will probably
seem less secure in 5 years.  There's probably a crypto aphorism about
computational cost: no pain, no security.  Encrypt 'til it hurts and always
leave room for larger numbers.


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