Re: [tram] [Technical Errata Reported] RFC8489 (6268)

Magnus Westerlund <magnus.westerlund@ericsson.com> Tue, 01 September 2020 11:04 UTC

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From: Magnus Westerlund <magnus.westerlund@ericsson.com>
To: "gsalguei@cisco.com" <gsalguei@cisco.com>
CC: "simon.perreault@logmein.com" <simon.perreault@logmein.com>, "marc@petit-huguenin.org" <marc@petit-huguenin.org>, "martin.h.duke@gmail.com" <martin.h.duke@gmail.com>, "renthraysk@gmail.com" <renthraysk@gmail.com>, "philip_matthews@magma.ca" <philip_matthews@magma.ca>, Gonzalo Camarillo <gonzalo.camarillo@ericsson.com>, "jdrosen@jdrosen.net" <jdrosen@jdrosen.net>, "dwing-ietf@fuggles.com" <dwing-ietf@fuggles.com>, "tram@ietf.org" <tram@ietf.org>, "rohan.ietf@gmail.com" <rohan.ietf@gmail.com>
Thread-Topic: [Technical Errata Reported] RFC8489 (6268)
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Date: Tue, 1 Sep 2020 11:04:04 +0000
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Subject: Re: [tram] [Technical Errata Reported] RFC8489 (6268)
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Hi,

I think it is reasonable that we do an RFC Errata for this error to provide a
corrected test vector. 

I can edit the Errata request to have a different text. So if you authors could
prepare and review a proposal that fixes this I will edit and approve it.

So if you can provide the text that goes into the three parts:

Original Text: (I assume the full message from B.1 here)

Corrected Text: Full message with corrected message length and recomputed Hash
value.

Notes: If there are any additional that was already written that you like to
remark about this error?

Cheers

Magnus

On Mon, 2020-08-31 at 17:00 +0000, Gonzalo Salgueiro (gsalguei) wrote:
> Hi Magnus - 
> 
> Marc responded earlier so you may have missed it. Below is his response:
> 
> +++++++++++
> This errata is correct, and there is nobody to blame for that mistake but me.
> 
> Magnus, how to you want to proceed for the recomputed test vector?
> 
> Thanks.
> +++++++++++
> 
> Cheers,
> 
> Gonzalo
> 
> 
> > On Aug 31, 2020, at 11:08 AM, Magnus Westerlund <
> > magnus.westerlund@ericsson.com> wrote:
> > 
> > Hi,
> > 
> > Author's can you please confirm if this is correct or not?
> > 
> > Cheers
> > 
> > Magnus
> > 
> > On Sun, 2020-08-30 at 08:22 -0700, RFC Errata System wrote:
> > > The following errata report has been submitted for RFC8489,
> > > "Session Traversal Utilities for NAT (STUN)".
> > > 
> > > --------------------------------------
> > > You may review the report below and at:
> > > 
> >  
> > https://protect2.fireeye.com/v1/url?k=99260d6d-c786cf2b-99264df6-86fc6812c361-2320f3daa9544fe5&q=1&e=c28eb099-e321-4447-80c3-942509fe0974&u=https%3A%2F%2Fwww.rfc-editor.org%2Ferrata%2Feid6268
> > > --------------------------------------
> > > Type: Technical
> > > Reported by: Jared Williams <renthraysk@gmail.com>
> > > 
> > > Section: Appendix B.1
> > > 
> > > Original Text
> > > -------------
> > > 00 01 00 9c      Request type and message length
> > > 
> > > 
> > > Corrected Text
> > > --------------
> > > 00 01 00 88      Request type and message length
> > > 
> > > Notes
> > > -----
> > > The message length in the test vector (9c) is the absolute length of the
> > > whole
> > > test vector. However from section 5. STUN Message Structure
> > > 
> > > "The message length MUST contain the size of the message in bytes, not
> > >   including the 20-byte STUN header."
> > > 
> > > So the message length in the header should be 20 less than absolute length
> > > of
> > > the whole message. 
> > > 
> > > 0x9C - 20, 0x88.
> > > 
> > > Also the MESSAGE-INTEGRITY-SHA256 HMAC-SHA256 value of the Test Vector
> > > will
> > > need recomputing.
> > > 
> > > 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. 
> > > 
> > > --------------------------------------
> > > RFC8489 (draft-ietf-tram-stunbis-21)
> > > --------------------------------------
> > > Title               : Session Traversal Utilities for NAT (STUN)
> > > Publication Date    : February 2020
> > > Author(s)           : M. Petit-Huguenin, G. Salgueiro, J. Rosenberg, D.
> > > Wing,
> > > R. Mahy, P. Matthews
> > > Category            : PROPOSED STANDARD
> > > Source              : TURN Revised and Modernized
> > > Area                : Transport
> > > Stream              : IETF
> > > Verifying Party     : IESG
> >  -- 
> > Cheers
> > 
> > Magnus Westerlund 
> > 
> > 
> > ----------------------------------------------------------------------
> > Networks, Ericsson Research
> > ----------------------------------------------------------------------
> > Ericsson AB                 | Phone  +46 10 7148287
> > Torshamnsgatan 23           | Mobile +46 73 0949079
> > SE-164 80 Stockholm, Sweden | mailto: magnus.westerlund@ericsson.com
> > ----------------------------------------------------------------------
> 
> 
-- 
Cheers

Magnus Westerlund 


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