[TLS] Question on draft-ietf-tls-deprecate-obsolete-kex-01.txt

2023-03-02 Thread Eric Rescorla
Hi folks, I was just reading draft-ietf-tls-deprecate-obsolete-kex-01.txt and the combination of Section 3 and Appendix C is confusing to me. Specifically, the text says: Clients and servers MAY offer fully ephemeral FFDHE cipher suites in TLS 1.2 connections under the following

Re: [TLS] multi-identity support in RFC 8446

2023-03-02 Thread Andrei Popov
> I don't have details, but the NVMe/TCP specification suggests that it can > make use of multiple PSK identities during a TLS handshake. >From my read of NVMe spec, it's one PSK/identity per TLS connection: "8.13.5.9 Generated PSK for TLS When used with a non-NULL DH exchange, the DH-HMAC-CHAP

Re: [TLS] tls@ietf116

2023-03-02 Thread Sean Turner
Hi! We have tentatively been scheduled for Wednesday at 1300-1500 (Tokyo Time): https://datatracker.ietf.org/meeting/116/agenda The final agenda will be posted tomorrow. I am forwarding this in case you missed the original call for agenda items for the TLS WG’s session. Thanks to those who have

Re: [TLS] multi-identity support in RFC 8446

2023-03-02 Thread Chuck Lever III
> On Mar 1, 2023, at 11:29 PM, Peter Gutmann wrote: > > Chuck Lever III writes: > >> We're implementing TLSv1.3 support for PSK and note there is a capability in >> the PSK extension described in S 4.2.11 for sending a list of identities. We >> don't find support for a list of alternate

Re: [TLS] Packet number encryption negotiation

2023-03-02 Thread Boris Pismenny
On Tue, Feb 28, 2023 at 2:18 PM Lanlan Pan wrote: > Personally I think, the negotiation may cause the downgrade security risk, > making PNE not actually work for privacy protection. > The hardware acceleration can support both PNE and plaintext packet number. > Maybe we can consider assigning a