[Secdispatch] IETF 114 Session Request - Post Quantum Hybrid Terminology
Florence D <Florence.D@ncsc.gov.uk> Wed, 06 July 2022 08:28 UTC
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From: Florence D <Florence.D@ncsc.gov.uk>
To: "secdispatch@ietf.org" <secdispatch@ietf.org>
CC: "Kathleen.Moriarty.ietf@gmail.com" <Kathleen.Moriarty.ietf@gmail.com>, "mohit@iki.fi" <mohit@iki.fi>, "rlb@ipv.sx" <rlb@ipv.sx>
Thread-Topic: IETF 114 Session Request - Post Quantum Hybrid Terminology
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Date: Wed, 06 Jul 2022 08:28:34 +0000
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Subject: [Secdispatch] IETF 114 Session Request - Post Quantum Hybrid Terminology
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Hi All, I'd like to request some time (15-20 minutes) to present and discuss a draft on Terminology for Post-Quantum Hybrids during secdispatch at IETF 114. This work is inspired by comments and conversations in LAMPS [1][2] and TLS [3], but is not protocol specific, so secdispatch seemed like the right place to bring it. By Post-Quantum Hybrids I mean schemes which incorporate both post-quantum and traditional asymmetric algorithms. Examples of ongoing work in this space include [4], [5] and [6]. A terminology document for this topic would be useful for a few different reasons: 1. Consistency in language across IETF WGs. 2. Clarity on different types of hybrid solutions (e.g. composite/non-composite) 3. The word "hybrid" is overloaded (e.g. with RFC 9180 [7]), which means its use in this context is potentially confusing. We need to either agree on a different word or be honest about the overloading and move on. I'm hopeful that if this is dispatched it can be the beginning of a conversation between the authors of various hybrid drafts, along with others, to settle discussions of language and agree on a shared understanding. I'll update here when I've uploaded the -00 draft (end of this week), but I'm very happy to answer questions in the meantime. Flo UK National Cyber Security Centre [1] https://datatracker.ietf.org/meeting/113/materials/slides-113-lamps-composite-keys-01.pdf (Slide 12) [2] https://datatracker.ietf.org/meeting/112/materials/slides-112-lamps-hybrid-non-composite-multi-certificate-00 (Slide 4) [3] https://mailarchive.ietf.org/arch/msg/tls/yGex9g3gXoZhikyFgsz2lerpi8U/ [4] https://datatracker.ietf.org/doc/draft-ietf-tls-hybrid-design/ [5] https://datatracker.ietf.org/doc/draft-ounsworth-pq-explicit-composite-keys [6] https://datatracker.ietf.org/doc/draft-becker-guthrie-noncomposite-hybrid-auth/ [7] https://datatracker.ietf.org/doc/rfc9180/ This information is exempt under the Freedom of Information Act 2000 (FOIA) and may be exempt under other UK information legislation. Refer any FOIA queries to ncscinfoleg@ncsc.gov.uk. All material is UK Crown Copyright ©