Re: [stir] [Technical Errata Reported] RFC8224 (6519)

Hi Roman,

On 4/7/21 9:18 AM, Roman Shpount wrote:
> Hi Christer,
> 
> This is exactly the issue. ATIS documents and other RFCs like rfc8946 use
> ppt with a quoted token.

Shouldn't the ABNF now be, to be compatible with non-SHAKEN implementations, this:

ident-type = "ppt" EQUAL (token / quoted-string)

> 
> Also, according to IETF 101 STIR notes (which you took), the ppt
> token value should always be quoted. I am not sure why it needed to be
> quoted (I think this is wrong), but that was the decision.
> _____________
> Roman Shpount
> 
> 
> On Wed, Apr 7, 2021 at 11:23 AM Christer Holmberg <
> christer.holmberg@ericsson.com> wrote:
> 
>> Hi,
>>
>> I have not been involved in the discussions, so my apologies for asking
>> something that have been discussed already, but what is the reason for the
>> change? If you anyway are only going to allow "token" characters, why the
>> quotes? Is the only reason to align with how the parameter is used in other
>> specs?
>>
>> Regards,
>>
>> Christer
>>
>>
>> -----Original Message-----
>> From: stir <stir-bounces@ietf.org> On Behalf Of RFC Errata System
>> Sent: tiistai 6. huhtikuuta 2021 8.21
>> To: jon.peterson@neustar.biz; fluffy@cisco.com; ekr@rtfm.com;
>> chris-ietf@chriswendt.net; superuser@gmail.com; Francesca Palombini <
>> francesca.palombini@ericsson.com>; rjsparks@nostrum.com;
>> housley@vigilsec.com
>> Cc: stir@ietf.org; roman@telurix.com; rfc-editor@rfc-editor.org
>> Subject: [stir] [Technical Errata Reported] RFC8224 (6519)
>>
>> The following errata report has been submitted for RFC8224, "Authenticated
>> Identity Management in the Session Initiation Protocol (SIP)".
>>
>> --------------------------------------
>> You may review the report below and at:
>>
>> https://protect2.fireeye.com/v1/url?k=ac0542ba-f39e7bbf-ac050221-86959e472243-713aff0f88c18be4&q=1&e=6be2f688-f156-4c8b-953f-2bec6cf24d76&u=https%3A%2F%2Fwww.rfc-editor.org%2Ferrata%2Feid6519
>>
>> --------------------------------------
>> Type: Technical
>> Reported by: Roman Shpount <roman@telurix.com>
>>
>> Section: 4
>>
>> Original Text
>> -------------
>> ident-type = "ppt" EQUAL token
>>
>> Corrected Text
>> --------------
>> ident-type = "ppt" EQUAL DQUOTE token DQUOTE
>>
>> Notes
>> -----
>> Based on IETF 101 STIR notes ptr= values should always be quoted. Also,
>> ATIS-1000074 is using double quotes around ppt value.
>>
>> 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.
>>
>> --------------------------------------
>> RFC8224 (draft-ietf-stir-rfc4474bis-16)
>> --------------------------------------
>> Title               : Authenticated Identity Management in the Session
>> Initiation Protocol (SIP)
>> Publication Date    : February 2018
>> Author(s)           : J. Peterson, C. Jennings, E. Rescorla, C. Wendt
>> Category            : PROPOSED STANDARD
>> Source              : Secure Telephone Identity Revisited
>> Area                : Applications and Real-Time
>> Stream              : IETF
>> Verifying Party     : IESG
>>
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>>
> 
> 
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Marc Petit-Huguenin
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