Thomas,

Just an FYI that I pointed this errata report out to the responsible AD for 
RFC-to-be 9052 to consider.

Thanks.

RFC Editor/mf


> On Mar 31, 2022, at 11:33 AM, Thomas Fossati <[email protected]> wrote:
> 
> Sorry for top-posting.
>  
> I agree with Carsten.  Is it still possible to add this to rfc-to-be-9052 ?
>  
> From: Carsten Bormann <[email protected]>
> Date: Thursday, 31 March 2022 at 14:53
> To: RFC Errata System <[email protected]>
> Cc: [email protected] <[email protected]>, Thomas Fossati 
> <[email protected]>, [email protected] <[email protected]>
> Subject: Re: [COSE] [Editorial Errata Reported] RFC8152 (6909)
> 
> I think this change can be a good improvement, but the existing CDDL is not 
> “wrong”, it is just not expressing all the constraints that are then 
> expressed in prose.
> 
> Grüße, Carsten
> 
> 
> > On 2022-03-31, at 15:48, RFC Errata System <[email protected]> 
> > wrote:
> > 
> > The following errata report has been submitted for RFC8152,
> > "CBOR Object Signing and Encryption (COSE)".
> > 
> > --------------------------------------
> > You may review the report below and at:
> > https://www.rfc-editor.org/errata/eid6909
> > 
> > --------------------------------------
> > Type: Editorial
> > Reported by: Thomas Fossati <[email protected]>
> > 
> > Section: 3.1
> > 
> > Original Text
> > -------------
> > Generic_Headers = (
> >    ? 1 => int / tstr,  ; algorithm identifier
> >    ? 2 => [+label],    ; criticality
> >    ? 3 => tstr / int,  ; content type
> >    ? 4 => bstr,        ; key identifier
> >    ? 5 => bstr,        ; IV
> >    ? 6 => bstr         ; Partial IV
> > )
> > 
> > Corrected Text
> > --------------
> > Generic_Headers = (
> >    ? 1 => int / tstr,  ; algorithm identifier
> >    ? 2 => [+label],    ; criticality
> >    ? 3 => tstr / int,  ; content type
> >    ? 4 => bstr,        ; key identifier
> >    ? ( 5 => bstr //    ; IV
> >        6 => bstr )     ; Partial IV
> > )
> > 
> > Notes
> > -----
> > Section 3.1 says: "The "Initialization Vector" and "Partial Initialization 
> > Vector" header parameters MUST NOT both be present in the same security 
> > layer."
> > 
> > Instructions:
> > -------------
> > This erratum is currently posted as "Reported". If necessary, please
> > use "Reply All" to discuss whether it should be verified or
> > rejected. When a decision is reached, the verifying party  
> > can log in to change the status and edit the report, if necessary. 
> > 
> > --------------------------------------
> > RFC8152 (draft-ietf-cose-msg-24)
> > --------------------------------------
> > Title               : CBOR Object Signing and Encryption (COSE)
> > Publication Date    : July 2017
> > Author(s)           : J. Schaad
> > Category            : PROPOSED STANDARD
> > Source              : CBOR Object Signing and Encryption
> > Area                : Security
> > Stream              : IETF
> > Verifying Party     : IESG
> > 
> > _______________________________________________
> > COSE mailing list
> > [email protected]
> > https://www.ietf.org/mailman/listinfo/cose
> 
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