Re: [TLS] Integrity bounds in DTLS

2020-05-19 Thread Thomas Fossati
On 18/05/2020, 01:47, "Martin Thomson" wrote: > The question is whether it is clear that these limits apply to the use > of AEADs in TLS more generally. I think that is clear enough, but I > doubt that people will pay any mind unless they are implementing TLS > 1.3. Yes, that's exactly my origin

Re: [TLS] Integrity bounds in DTLS

2020-05-17 Thread Martin Thomson
On Fri, May 15, 2020, at 20:29, Thomas Fossati wrote: > While the specific behaviours might more or less differ, the same > considerations apply to 1.2. How do we make sure that the message > doesn't get ignored? Would it be worth drafting this separately to > cover both versions (+ an explicit "

Re: [TLS] Integrity bounds in DTLS

2020-05-15 Thread Thomas Fossati
On 15/05/2020, 01:51, "Martin Thomson" wrote: > Continuing the trend where I am the only one to post to this thread... > > I just posted a proposal: > > https://github.com/tlswg/dtls13-spec/pull/147 Looks good, thanks! While the specific behaviours might more or less differ, the same considerati

Re: [TLS] Integrity bounds in DTLS

2020-05-14 Thread Martin Thomson
Continuing the trend where I am the only one to post to this thread... I just posted a proposal: https://github.com/tlswg/dtls13-spec/pull/147 This is essentially a transcription of the work done for QUIC to DTLS. There is one major change, in the addition of TLS_AES_128_CCM_8_SHA256. QUIC p

Re: [TLS] Integrity bounds in DTLS

2020-05-07 Thread Martin Thomson
On Fri, May 1, 2020, at 14:51, Martin Thomson wrote: > Thanks to some good work from Felix Günther, Marc Fischlin, Christian > Janson, and Kenny Paterson we now have a new result to share about the > integrity limits in QUIC. > > There is a long write-up in > https://github.com/quicwg/base-draf

[TLS] Integrity bounds in DTLS

2020-04-30 Thread Martin Thomson
Thanks to some good work from Felix Günther, Marc Fischlin, Christian Janson, and Kenny Paterson we now have a new result to share about the integrity limits in QUIC. There is a long write-up in https://github.com/quicwg/base-drafts/issues/3619, the conclusion of which is that endpoints need to