[Freeipa-users] Elliptic curves with the CA

[Simo Sorce]

On Mon, 2013-09-16 at 13:05 +0300, mees virk wrote:
> Hello all,
>  
> Is it possible to setup the FreeIPA's CA use ECC cryptographic
> methods (ECDSA & co)  instead of RSA? That includes generating ECC CA
> certificates, and so on.

At the moment our code (dogtag and nss) does not support ECC crypto.
I will let Dogtag developers chime in fopr when they plan to introduce
ECC based crypto in the codebase.

Simo.

> I don't think I was given any option towards this in the default
> installation process. Would appreciate instructions and/or pointers
> towards this. 
>  
> Also, can the default generated RSA CA switched later to ECC/ECDSA?
>  
> Why doesn't the CA allow cross-signing (RSA/ECDSA hybrid keychains)
> certificates? It seems to validate the types, although it is not
> strictly forbidden as crypthographic practice (mostly just
> inconvenient, but it's legal). I gave the CA ECC CSR (generated by
> openSSL on one of the servers), and to my amazement it failed to sign
> it properly complaining about the type not being RSA.
>  


-- 
Simo Sorce * Red Hat, Inc * New York