I thought the keys in ECC certificates can be used for both ECDH key agreement 
and ECDSA digital signature.

-----Original Message-----
From: owner-openssl-us...@openssl.org [mailto:owner-openssl-us...@openssl.org] 
On Behalf Of Erik Tkal
Sent: Friday, November 02, 2012 8:24 AM
To: openssl-users@openssl.org
Subject: RE: ECDH-RSA and TLS 1.2

What if the server has an ECDH certificate?  Would that then be the appropriate 
set of suites?

....................................
Erik Tkal
Juniper OAC/UAC/Pulse Development


-----Original Message-----
From: owner-openssl-us...@openssl.org [mailto:owner-openssl-us...@openssl.org] 
On Behalf Of Dr. Stephen Henson
Sent: Thursday, November 01, 2012 10:38 PM
To: openssl-users@openssl.org
Subject: Re: ECDH-RSA and TLS 1.2

On Fri, Nov 02, 2012, Abhiram Shandilya wrote:

> Hi Steve, Thanks for your response. I'm just trying to figure out what 
> it takes to get this working - are you of the opinion that an SSL 
> server should not support TLS 1.2 ECDH-RSA cipher suites? Could you also 
> mention why?
> 

Well one reason is that the fixed ECDH cipher suites do not support forward 
secrecy because they always use the same ECDH key.

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org 
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