Yes. This would work great! Can I suggest the following string for the module:
id-mod-plm-2025 (TBD0) That would make the registrations: id-mod-plm-2025 (86) in https://www.iana.org/assignments/smi-numbers/smi-numbers.xhtml#security-smime-0 and id-ct-prefixlenCSVwithCRLF (57) in https://www.iana.org/assignments/smi-numbers/smi-numbers.xhtml#security-smime-1 spt > On Dec 3, 2025, at 13:19, David Dong via RT > <[email protected]> wrote: > > Hi Sean, > > Would this proposed update from Russ be OK if they were to implement it? This > is still on the telechat agenda for tomorrow, if you would be able to let us > know today. > > Thank you! > > Best regards, > > David Dong > IANA Services Sr. Specialist > > On Wed Dec 03 17:41:54 2025, [email protected] wrote: >> I suggest an Appendix with this ASN.1 Module: >> >> ~~~ >> PrefixLengthsModule-2025 >> { iso(1) member-body(2) us(840) rsadsi(113549) >> pkcs(1) pkcs9(9) smime(16) mod(0) TBD0 } >> >> DEFINITIONS IMPLICIT TAGS ::= >> BEGIN >> >> -- EXPORTS ALL -- >> >> IMPORTS >> CONTENT-TYPE >> FROM CryptographicMessageSyntax-2010 -- in [RFC6268] >> { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) >> pkcs-9(9) smime(16) modules(0) id-mod-cms-2009(58) } ; >> >> ContentSet CONTENT-TYPE ::= { ct-prefixlenCSVwithCRLF, ... } >> >> ct-prefixlenCSVwithCRLF CONTENT-TYPE ::= >> { TYPE OCTET STRING IDENTIFIED BY id-ct-prefixlenCSVwithCRLF } >> >> id-ct-prefixlenCSVwithCRLF OBJECT IDENTIFIER ::= >> { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) >> pkcs-9(9) smime(16) ct(1) TBD1 } >> >> END >> ~~~ >> >> We will also need IANA to assign an OID for the module. This is a >> minor update to the IANA considerations section. >> >> Russ >> >>> On Dec 2, 2025, at 5:09 PM, David Dong via RT <drafts-expert-review- >>> [email protected]> wrote: >>> >>> Dear Authors/Chairs/ADs, >>> >>> Please see below for feedback for the SMI Security for S/MIME CMS >>> Content Type registration from the expert. >>> >>> Best regards, >>> >>> David Dong >>> IANA Services Sr. Specialist >>> >>> On Tue Dec 02 20:45:44 2025, [email protected] wrote: >>>> Did a quick look at this and have a questions about why there’s no >>>> ASN.1 module that formally defines the content type? The knock on >>>> effects for adding a module that come to mind would be: >>>> - another section for the ASN.1 module >>>> - another IANA request for SMIME ASN.1 Module Arc >>>> - normative refs to X.680, X.690, & RFC 5911 (imports CONTENT-TYPE) >>>> >>>> Cheers, >>>> spt >>>> >>>>> On Dec 1, 2025, at 18:50, David Dong via RT <drafts-expert-review- >>>>> [email protected]> wrote: >>>>> >>>>> Dear Sean Turner (cc: opsawg WG), >>>>> >>>>> As the backup designated expert for the SMI Security for S/MIME CMS >>>>> Content Type registry, can you review the proposed registration in >>>>> draft-ietf-opsawg-prefix-lengths-08 for us? Would you be able to >>>>> review this before the IESG telechat this week? >>>>> >>>>> Please note that Russ is a co-author on this document. >>>>> >>>>> Please see: >>>>> >>>>> https://datatracker.ietf.org/doc/draft-ietf-opsawg-prefix-lengths/ >>>>> >>>>> If this is OK, when the IESG approves the document for publication, >>>>> we'll make the registration at: >>>>> >>>>> https://www.iana.org/assignments/smi-numbers/ >>>>> >>>>> With thanks, >>>>> >>>>> David Dong >>>>> IANA Services Sr. Specialist >>>>> >>>>> On Thu Nov 13 23:10:41 2025, david.dong wrote: >>>>>> Dear Sean Turner (cc: opsawg WG), >>>>>> >>>>>> As the backup designated expert for the SMI Security for S/MIME >>>>>> CMS >>>>>> Content Type registry, can you review the proposed registration in >>>>>> draft-ietf-opsawg-prefix-lengths-08 for us? Please note that Russ >>>>>> is >>>>>> a >>>>>> co-author on this document. >>>>>> >>>>>> Please see: >>>>>> >>>>>> https://datatracker.ietf.org/doc/draft-ietf-opsawg-prefix-lengths/ >>>>>> >>>>>> The due date is November 27th. >>>>>> >>>>>> If this is OK, when the IESG approves the document for >>>>>> publication, >>>>>> we'll make the registration at: >>>>>> >>>>>> https://www.iana.org/assignments/smi-numbers/ >>>>>> >>>>>> With thanks, >>>>>> >>>>>> David Dong >>>>>> IANA Services Sr. Specialist >>>>> >>> >
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