Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-25 Thread Robert Relyea
On 8/22/20 7:26 PM, Kevin Kofler wrote: Christopher Engelhard wrote: tl;dr should we make it easier/automatic for users to use the Diffie-Hellman parameters defined in RFC7919? While I understand the motivation behind the RFC (interoperability, safety against intentionally or unintentionally ba

Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-25 Thread Christopher Engelhard
On 24.08.20 20:06, Simo Sorce wrote: > This has been proposed (somewhere, I forgot where) before, and it is a > definite possibility. > Unclear what package would distribute them, potentially the crypto- > policies package. Or a separate package, but at least the logic of selecting a default from

Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-24 Thread Alex Scheel
- Original Message - > From: "Simo Sorce" > To: "Development discussions related to Fedora" > > Sent: Monday, August 24, 2020 2:06:19 PM > Subject: Re: RFC7919 Diffie-Hellman parameters in Fedora > > On Mon, 2020-08-24 at 19:29 +0200, Christoph

Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-24 Thread Simo Sorce
On Mon, 2020-08-24 at 19:29 +0200, Christopher Engelhard wrote: > On 24.08.20 18:43, Simo Sorce wrote: > > On Fri, 2020-08-21 at 16:13 +0200, Christopher Engelhard wrote: > > We already are making it easier in some ways, but feel free to open a > > bug if there are specific components you are worri

Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-24 Thread Christopher Engelhard
On 24.08.20 18:43, Simo Sorce wrote: > On Fri, 2020-08-21 at 16:13 +0200, Christopher Engelhard wrote: > We already are making it easier in some ways, but feel free to open a > bug if there are specific components you are worried about. What ways are that? I'm not worried about any specific compo

Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-24 Thread Gary Buhrmaster
On Sun, Aug 23, 2020 at 2:27 AM Kevin Kofler wrote: > While I understand the motivation behind the RFC (interoperability, safety > against intentionally or unintentionally bad parameters), hardcoded > parameters sound suspicious to me. I'll note that the RFC 7919 values were added as available i

Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-24 Thread Simo Sorce
On Fri, 2020-08-21 at 16:13 +0200, Christopher Engelhard wrote: > Hi, > tl;dr should we make it easier/automatic for users to use the > Diffie-Hellman parameters defined in RFC7919? We already are making it easier in some ways, but feel free to open a bug if there are specific components you are

Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-24 Thread Simo Sorce
On Sun, 2020-08-23 at 04:26 +0200, Kevin Kofler wrote: > Christopher Engelhard wrote: > > tl;dr should we make it easier/automatic for users to use the > > Diffie-Hellman parameters defined in RFC7919? > > While I understand the motivation behind the RFC (interoperability, safety > against intent

Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-23 Thread Christopher Engelhard
On 23.08.20 04:26, Kevin Kofler wrote: > While I understand the motivation behind the RFC (interoperability, safety > against intentionally or unintentionally bad parameters), hardcoded > parameters sound suspicious to me. How do we know that these are not chosen > to allow the NSA or some other

Re: RFC7919 Diffie-Hellman parameters in Fedora

2020-08-22 Thread Kevin Kofler
Christopher Engelhard wrote: > tl;dr should we make it easier/automatic for users to use the > Diffie-Hellman parameters defined in RFC7919? While I understand the motivation behind the RFC (interoperability, safety against intentionally or unintentionally bad parameters), hardcoded parameters s

RFC7919 Diffie-Hellman parameters in Fedora

2020-08-21 Thread Christopher Engelhard
Hi, tl;dr should we make it easier/automatic for users to use the Diffie-Hellman parameters defined in RFC7919? For a long time, the general recommendation for Finite-Field Diffie-Hellman Ephemeral Parameters (FFDHE, for use with non-elliptic-curve DH, i.e. the dhparam-file many server config