Re: [TLS] Is stateless HelloRetryRequest worthwhile? (was Re: TLS 1.3 Problem?)

2020-10-03 Thread Michael D'Errico
On 10/2/20 22:13, I wrote: Please don't tell me all the current TLS 1.3 implementations forgot to include the HelloRetryRequest in the transcript hash. Is this the reason why Microsoft ditched Edge and rebuilt on top of Chrome?  There must have been a bug bounty for this. Are there still bug bo

Re: [TLS] Is stateless HelloRetryRequest worthwhile? (was Re: TLS 1.3 Problem?)

2020-10-03 Thread Nick Lamb
On Fri, 02 Oct 2020 14:15:48 -0400 "Michael D'Errico" wrote: > > > You can't possibly implement [stateless HelloRetryRequest] the > > > way the spec suggests with just a hash in a HRR cookie extension. Lots of people have and it works just fine, so it seems to me that "You can't possibly" here m

Re: [TLS] Is stateless HelloRetryRequest worthwhile? (was Re: TLS 1.3 Problem?)

2020-10-03 Thread Michael D'Errico
On 10/3/20 16:12, Nick Lamb wrote: You can't possibly implement [stateless HelloRetryRequest] the way the spec suggests with just a hash in a HRR cookie extension. Lots of people have and it works just fine, so it seems to me that "You can't possibly" here means something closer to "I still don'