Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with-extern-psk
"Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu> Fri, 31 May 2019 21:59 UTC
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From: "Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu>
To: Geoff Keating <geoffk@geoffk.org>, IETF TLS <tls@ietf.org>
Thread-Topic: [TLS] WGLC for draft-ietf-tls-tls13-cert-with-extern-psk
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Date: Fri, 31 May 2019 21:59:00 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/ORTiNmGcrmAEUybAiW5IU2a83ro>
Subject: Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with-extern-psk
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On 5/31/2019, 17:34, "TLS on behalf of Geoff Keating" <tls-bounces@ietf.org on behalf of geoffk@geoffk.org> wrote: >> On 21 May 2019, at 2:08 pm, Hugo Krawczyk <hugo@ee.technion.ac.il> wrote: >> >> A clarification on the text suggest below by Russ. >> >> The way I see it, the external PSK as used in draft-ietf-tls-tls13-cert-with-extern-psk is not intended as >> a means of authentication but as a way of regaining forward secrecy in case the (EC)DHE mechanism >> is ever broken (e.g., by cryptanalysis or by a quantum computer). > > It’s a bit problematic if the expected use of the draft is with quantum-resistant > certificates... This is not the intent/expected use. The intent is to protect the content of the session against being recorded now and decrypted later. In short, no problem.
- [TLS] WGLC for draft-ietf-tls-tls13-cert-with-ext… Joseph Salowey
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Joseph Salowey
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Peter Yee
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Paul Hoffman
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Russ Housley
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Blumenthal, Uri - 0553 - MITLL
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Michael StJohns
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Blumenthal, Uri - 0553 - MITLL
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Geoffrey Keating
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Russ Housley
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Russ Housley
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Russ Housley
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Salz, Rich
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Russ Housley
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Hugo Krawczyk
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Christian Huitema
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Russ Housley
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Christian Huitema
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Geoff Keating
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Blumenthal, Uri - 0553 - MITLL
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Russ Housley
- Re: [TLS] WGLC for draft-ietf-tls-tls13-cert-with… Joseph Salowey