Re: about openssl we may enable and build all elliptic curves on corp ?

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On Thu, 2017-08-31 at 13:02 -0400, Tom Callaway wrote:
> 
> On 08/20/2017 07:50 PM, Sérgio Basto wrote:
> > Hello, 
> > I reopen or start thinking again on this question of enable
> > elliptic
> > curves of openssl  [1]
> > So going directly to the point, may I built all source of openssl
> > in
> > copr [2] ? or at least some other curves that fedora package don't
> > ship?  
> 
> The curves and functionality which are disabled in the Fedora
> packages
> of OpenSSL are done so for legal reasons.

hum 

> The very nature of those "legal reasons" makes it difficult to be
> more
> specific, as doing so could potentially expose Red Hat to increased
> liability. I realize this is problematic, but it is the reality we
> have
> to work with.
> 
> Red Hat is still liable for packages in coprs, so you cannot put a
> "all
> source build" of openssl there.
> 
> However, I would ask if there is a specific curve that is not enabled
> in
> OpenSSL that you need for a specific reason, please let me know, as I
> am
> willing to look into the legal specifics around any justified cases
> to
> see what we can do.

Yes , some people, I mean, not just me, asked to enable some curves, I
had summarize it in [1] .  We ask to enable prime192v1, secp224r1 and
sect233k1 elliptic curves but the reply was: "I would view enabling EC
curves smaller than 256 bits as a security regression. So I am
wontfixing this bug. " 

So first, is legal have prime192v1, secp224r1 and sect233k1 enabled ? 

On other hand, I prefer have a blacklist of legal curves, than a white
list like we have today. I think if openssl distribute it, should be a
gray area, because if IIRC Debian enable all or at least much more (I
have to check that better ...) 


[1] 
https://bugzilla.redhat.com/show_bug.cgi?id=1405843#c5

> ~tom
-- 
Sérgio M. B.
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