On Thu, Jan 07, 2010 at 07:11:28PM -0800, Michael D wrote:

> Hello,
> Once again I back trying to understand ECDHE. 
> 
> I would like to use openssl and s_server and s_client for my 
> trail and error testing.
> 
> I have my notes on generating a key file, but I can't seem to 
> find my notes on starting s_client and s_server such that they
> do the elliptic curve diffie helman negoications. 
> 

The OpenSSL 1.0.0.beta4 snapshot has the following option for
s_server:

    -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.
                     Use "openssl ecparam -list_curves" for all names
                     (default is nistp256).

To also use ECC certs, just use an appropriate -cert/-key arguments.

-- 
        Viktor.
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