[Freeipa-users] Elliptic curves with the CA

[Dmitri Pal]

On 09/16/2013 06:05 AM, 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.
>  
> 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.
>  

IPA uses NSS, NSS support of ECC algorithms is very fresh, we have not
looked at this area yet.
I suspect it would require changes in Dogtag first.

Would be best if you can file and RFE ticket, then we would be able to
follow up.

>
>
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-- 
Thank you,
Dmitri Pal

Sr. Engineering Manager for IdM portfolio
Red Hat Inc.


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