Re: [TLS] [Errata Held for Document Update] RFC8446 (6205)

2024-01-16 Thread Martin Thomson
Yeah, we talked about this one and came to a reasonable conclusion that was based on what I wrote at the time, but better because RFC 8773 exists. The added text: > In the absence of some other specification to the contrary, servers which are > authenticating with an external PSK MUST NOT send

[TLS] [Errata Held for Document Update] RFC7919 (4908)

2024-01-16 Thread RFC Errata System
The following errata report has been held for document update for RFC7919, "Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for Transport Layer Security (TLS)". -- You may review the report below and at: https://www.rfc-editor.org/errata/eid4908

[TLS] [Errata Held for Document Update] RFC8446 (5682)

2024-01-16 Thread RFC Errata System
The following errata report has been held for document update for RFC8446, "The Transport Layer Security (TLS) Protocol Version 1.3". -- You may review the report below and at: https://www.rfc-editor.org/errata/eid5682 --

[TLS] [Errata Held for Document Update] RFC8422 (5468)

2024-01-16 Thread RFC Errata System
The following errata report has been held for document update for RFC8422, "Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer Security (TLS) Versions 1.2 and Earlier". -- You may review the report below and at:

Re: [TLS] [Errata Held for Document Update] RFC8446 (6205)

2024-01-16 Thread Eric Rescorla
I believe that the current 8446-bis text addresses this. Martin? On Tue, Jan 16, 2024 at 4:59 PM RFC Errata System wrote: > The following errata report has been held for document update > for RFC8446, "The Transport Layer Security (TLS) Protocol Version 1.3". > >

[TLS] [Errata Verified] RFC8996 (7103)

2024-01-16 Thread RFC Errata System
The following errata report has been verified for RFC8996, "Deprecating TLS 1.0 and TLS 1.1". -- You may review the report below and at: https://www.rfc-editor.org/errata/eid7103 -- Status: Verified Type: Editorial

[TLS] [Errata Held for Document Update] RFC8996 (7769)

2024-01-16 Thread RFC Errata System
The following errata report has been held for document update for RFC8996, "Deprecating TLS 1.0 and TLS 1.1". -- You may review the report below and at: https://www.rfc-editor.org/errata/eid7769 -- Status: Held for

[TLS] [Errata Held for Document Update] RFC8446 (6205)

2024-01-16 Thread RFC Errata System
The following errata report has been held for document update for RFC8446, "The Transport Layer Security (TLS) Protocol Version 1.3". -- You may review the report below and at: https://www.rfc-editor.org/errata/eid6205 --

Re: [TLS] [CFRG] X-Wing: the go-to PQ/T hybrid KEM?

2024-01-16 Thread Eric Rescorla
On Tue, Jan 16, 2024 at 8:24 AM D. J. Bernstein wrote: > Bas Westerbaan writes: > > X-Wing is a KEM - not a combiner. > > Sure, but there's a combiner present inside it---and even advertised: > see "X-Wing uses the combiner" etc. at the beginning of this thread. > > If people are motivated by

Re: [TLS] [CFRG] X-Wing: the go-to PQ/T hybrid KEM?

2024-01-16 Thread D. J. Bernstein
Bas Westerbaan writes: > X-Wing is a KEM - not a combiner. Sure, but there's a combiner present inside it---and even advertised: see "X-Wing uses the combiner" etc. at the beginning of this thread. If people are motivated by things like http://tinyurl.com/5cu2j5hf to use the same combiner with a

Re: [TLS] [CFRG] X-Wing: the go-to PQ/T hybrid KEM?

2024-01-16 Thread Bas Westerbaan
> > The arguments for multiple KEMs are > stronger than the arguments for multiple combiners. > X-Wing is a KEM — not a combiner. I agree there should preferably be one go-to generic combiner. Insisting that X-Wing use that generic combiner, is not dissimilar to insisting that every KEM that uses

Re: [TLS] [CFRG] X-Wing: the go-to PQ/T hybrid KEM?

2024-01-16 Thread D. J. Bernstein
Jack Grigg writes: > As the paper states at the top of page 4, X-Wing includes the recipient's > X25519 public key "as a measure of security against multi-target attacks, > similarly to what is done in the ML-KEM design". Thanks for the data. Assuming arguendo that this matters (as in my first