Re: [TLS] Adoption call for Deprecating Obsolete Key Exchange Methods in TLS

2021-08-02 Thread Carrick Bartle
Is there benefit in stating that the server SHOULD choose a safe group, even if the client is unable to negotiate one? Either way, I would support deprecating FFDHE completely. > On Jul 30, 2021, at 12:46 PM, Viktor Dukhovni wrote: > > On Fri, Jul 30, 2021 at 07:30:31PM +, Scott Fluhrer (

Re: [TLS] [Iot-directorate] [Last-Call] Iotdir last call review of draft-ietf-tls-md5-sha1-deprecate-04

2021-08-02 Thread Peter Saint-Andre
On 7/30/21 5:31 PM, Sean Turner wrote: > >> On Jul 30, 2021, at 05:08, Hannes Tschofenig >> wrote: >> 4. Is the update to RFC 7525 relevant given that there is an update of RFC >> 7525 in progress (see >> https://datatracker.ietf.org/doc/html/draft-ietf-uta-rfc7525bis-01) and even >> near

Re: [TLS] Adoption call for Deprecating Obsolete Key Exchange Methods in TLS

2021-08-02 Thread Peter Gutmann
Viktor Dukhovni writes: >with confirmation from Peter Gutmann below that any custom groups we're >likely to encounter are almost certainly safe Well, I haven't examined every crypto library on the planet, it's not to say there isn't something somewhere that implements its keygen as: for i = 0 t

Re: [TLS] WGLC for draft-ietf-tls-flags

2021-08-02 Thread StJohns, Michael
Given that I got a response to a different message on this topic, and that Martin is making a similar point to that I made below, my guess is that this message got lost in the shuffle. On Sun, Jul 18, 2021 at 19:26 Michael StJohns wrote: > On 7/16/2021 7:55 PM, Christopher Wood wrote: > > This