Re: [CFRG] Pre-draft QSC Key Serialization and Identification
Christine van Vredendaal <cvvrede@gmail.com> Wed, 14 July 2021 08:05 UTC
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From: Christine van Vredendaal <cvvrede@gmail.com>
Date: Wed, 14 Jul 2021 10:05:35 +0200
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To: Russ Housley <housley@vigilsec.com>
Cc: IRTF CFRG <cfrg@irtf.org>
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Subject: Re: [CFRG] Pre-draft QSC Key Serialization and Identification
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Hi Russ, Thanks for the feedback on the RFCs, we will look into that. On the OIDs; I fully agree. We are looking into temporary OIDs, but the final assignment of permanent OIDs should not leave room for interpretation. This we should indeed be done after a final NIST Standard. Cheers, Christine Op za 3 jul. 2021 om 17:31 schreef Russ Housley <housley@vigilsec.com>: > You seem to be changing the algorithmIdentifier definition from RFC 5280. > There is no need to do so. > > For each of the OIDs that is assigned, the parameter can be assigned. If > the ALGORITHM class definition from RFC 5912 is followed, this should be > very clear. > > On the LAMPS WG mail list, there has been a discussion about when to > assign OIDs to algorithms. While some assignments to experiment will be > very useful, it would be very harmful if the algorithm gets tweaked after > the assignment of the OID. For this reason, the final assignment of the > OID should probably wait for the NIST specification. > > Russ > > > On Jul 3, 2021, at 4:51 AM, Christine van Vredendaal <cvvrede@gmail.com> > wrote: > > Hello all, > > We (folks from NXP, IBM and Utimaco) have been working on a draft > specifying key serializations and OIDs for quantum-safe cryptography to > already start to prepare for the upcoming new public-key standard. > We would like to share this with this community for feedback and > recommendations and also to see if CFRG is the right venue. > > At the moment this is a pre-draft in the sense that it is not in an IETF > format yet, but all the content is there. > You can find the link to a comment-only Google Docs version here > <https://docs.google.com/document/d/1MbSf7e9NIZ0XCEpJ9Kpdxe04Z5HlvvgOBTUX4uvM1i0/edit?usp=sharing> > . > > The abstract of the document is as follows: > > With the NIST standardization effort still in full swing, companies > implementing post-quantum cryptography now are running into multiple > issues, such as: > > > 1. Difficulty in managing algorithm versions and the compatibility of > associated keys > 2. Difficulty in interoperability testing > 3. Difficulty in evaluating the impact of integrating algorithms with > higher level standards > > > These difficulties result in delay of many follow-up activities for > algorithm integration and adoption. > The document `Quantum Safe Key Identification and Serialization’ specifies > the key formats of selected quantum safe algorithms, to hopefully resolve > some of these interoperability issues. > Additionally it should serve to make choices in future standard clear and > prevent delays in adaption. > > To this end the document contains parameter identifiers for the Round 3 > finalist parameter sets (specific OIDs in some cases to be added), as well > as key descriptions, byte sizes, and their ASN.1 formatting. > Open items that we would consider still adding (opinions are welcome) are > the addition of CBOR formats, and the serialization of signatures and > ciphertexts. > We also note that the current OIDs are not useable or filled in yet. We > are investigating adding temporary OIDs, and in the end permanent OIDs > should be assigned by NIST upon standardization of a set of algorithms. > > *(Current) authors: *Dieter Bong (Utimaco), Joppe Bos (NXP), Silvio > Dragone (IBM), Basil Hess (IBM), Christopher Meyer (Utimaco), Mike Osborne > (IBM), Christine van Vredendaal (NXP), Karen Willbrand (Utimaco) > > Looking forward to your thoughts and suggestions, > > Cheers on behalf of the team, > > Christine > > >
- [CFRG] Pre-draft QSC Key Serialization and Identi… Christine van Vredendaal
- Re: [CFRG] Pre-draft QSC Key Serialization and Id… Russ Housley
- Re: [CFRG] Pre-draft QSC Key Serialization and Id… Michael StJohns
- Re: [CFRG] Pre-draft QSC Key Serialization and Id… Christine van Vredendaal