Re: [COSE] [Technical Errata Reported] RFC8152 (5545)

[Jim Schaad <[e-mail]>]

I believe that this is a correct errata and it should be approved.

I don't know if it really has any IANA considerations - I suspect that all of the IANA work is correct it is just pointing to the wrong registry.

Jim


> -----Original Message-----
> From: RFC Errata System <[e-mail]>
> Sent: Monday, November 5, 2018 11:38 AM
> To: [e-mail]; [e-mail]; [e-mail];
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> Subject: [Technical Errata Reported] RFC8152 (5545)
> 
> The following errata report has been submitted for RFC8152, "CBOR Object
> Signing and Encryption (COSE)".
> 
> --------------------------------------
> You may review the report below and at:
> http://www.rfc-editor.org/errata/eid5545
> 
> --------------------------------------
> Type: Technical
> Reported by: Francesca Palombini <[e-mail]>
> 
> Section: 7.1
> 
> Original Text
> -------------
>    +---------+-------+----------------+------------+-------------------+
>    | Name    | Label | CBOR Type      | Value      | Description       |
>    |         |       |                | Registry   |                   |
>    +---------+-------+----------------+------------+-------------------+
>    | kty     | 1     | tstr / int     | COSE Key   | Identification of |
>    |         |       |                | Common     | the key type      |
>    |         |       |                | Parameters |                   |
>    |         |       |                |            |                   |
>    | kid     | 2     | bstr           |            | Key               |
>    |         |       |                |            | identification    |
>    |         |       |                |            | value -- match to |
>    |         |       |                |            | kid in message    |
>    |         |       |                |            |                   |
>    | alg     | 3     | tstr / int     | COSE       | Key usage         |
>    |         |       |                | Algorithms | restriction to    |
>    |         |       |                |            | this algorithm    |
>    |         |       |                |            |                   |
>    | key_ops | 4     | [+ (tstr/int)] |            | Restrict set of   |
>    |         |       |                |            | permissible       |
>    |         |       |                |            | operations        |
>    |         |       |                |            |                   |
>    | Base IV | 5     | bstr           |            | Base IV to be     |
>    |         |       |                |            | xor-ed with       |
>    |         |       |                |            | Partial IVs       |
>    +---------+-------+----------------+------------+-------------------+
> 
>                           Table 3: Key Map Labels
> 
> Corrected Text
> --------------
>    +---------+-------+----------------+------------+-------------------+
>    | Name    | Label | CBOR Type      | Value      | Description       |
>    |         |       |                | Registry   |                   |
>    +---------+-------+----------------+------------+-------------------+
>    | kty     | 1     | tstr / int     | COSE Key   | Identification of |
>    |         |       |                | Types      | the key type      |
>    |         |       |                |            |                   |
>    |         |       |                |            |                   |
>    | kid     | 2     | bstr           |            | Key               |
>    |         |       |                |            | identification    |
>    |         |       |                |            | value -- match to |
>    |         |       |                |            | kid in message    |
>    |         |       |                |            |                   |
>    | alg     | 3     | tstr / int     | COSE       | Key usage         |
>    |         |       |                | Algorithms | restriction to    |
>    |         |       |                |            | this algorithm    |
>    |         |       |                |            |                   |
>    | key_ops | 4     | [+ (tstr/int)] |            | Restrict set of   |
>    |         |       |                |            | permissible       |
>    |         |       |                |            | operations        |
>    |         |       |                |            |                   |
>    | Base IV | 5     | bstr           |            | Base IV to be     |
>    |         |       |                |            | xor-ed with       |
>    |         |       |                |            | Partial IVs       |
>    +---------+-------+----------------+------------+-------------------+
> 
>                           Table 3: Key Map Labels
> 
> Notes
> -----
> The value registry for kty should be COSE Key Types, as indicated in the text
> following Table 3. This change affects the IANA registry:
> https://www.iana.org/assignments/cose/cose.xhtml#key-common-
> parameters
> 
> 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