[Ach] favor DHE over ECDHE? (was: preference of curves in ECC - ECDSA, ECDH)

Aaron Zauner azet at azet.org
Mon Mar 10 10:53:08 CET 2014


Torsten Gigler wrote:
> Hi,
> propabely you discussed this already, but I did not find it in the List:
> What do you think about to favor generally DHE ciphers over ECDHE, as
> long it is not clear which EC curves are save available by clients ans
> servers?
Well. The issue is that DHE without elliptic curves is on a order of
magnitude more costly than ECDHE. This is also why big sites like
Google, Twitter and the likes prefer ECDHE.


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