On 7 October 2013 19:39, Dave Thompson <dthomp...@prinpay.com> wrote: > You don’t need to change OpenSSL to do what you say you want; just create an > EC_KEY with the curve, > > set the desired private key value, and do a point multiplication to get the > public key value and set that. > > > > This is assuming a key to be used in OpenSSL software. If you are using > hardware crypto (in OpenSSL > > through an “engine”), or even “external” software such as Windows CAPI, you > have to live with any > > restrictions imposed by that hardware or other software on how you create > and use keys.
To further build on Dave's comments, there is a discussion on how to use ECDH in OpenSSL on the Wiki here: http://wiki.openssl.org/index.php/Elliptic_Curve_Diffie_Hellman Matt ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org