[gtld-tech] [tmch-tech] Test SMDs files now available

Gustavo Lozano gustavo.lozano at icann.org
Mon Aug 5 17:28:40 UTC 2013


Let me discuss this with the development team, but before, I want to have
feedback from the community about the following:

I suppose that also the carriage returns should be eliminated and not only
white spaces. This will create big lines (between 8K and 16K bytes). Does
anyone foresee implementation problems with big lines of text?

Has anyone have had success in using the test SMD XML (with the white spaces
and carriage returns) in their EPP implementations including client

Even without whitespaces and carriage returns there is still risk that
implementations may break the signature if precautions are not taken. One
possibility for mitigating this problem is requiring Registrars to send the
base64-encoded blob from the SMD file (decoding base64 sounds cheaper than
customer support).

I have received questions about the use of <smd:signedMark> vs
<smd:encodedSignedMark> in EPP.

My question to all of you is:
How many of you will require <smd:signedMark>-only by policy?
How many of you will require <smd:encodedSignedMark>-only by policy?
How many of you will support both?

Thank you,

From:  <Gould>, James <JGould at verisign.com>
Date:  Saturday, August 3, 2013 7:33 AM
To:  Gustavo Lozano <gustavo.lozano at icann.org>
Cc:  "tmch-tech at icann.org" <tmch-tech at icann.org>, "gtld-tech at icann.org"
<gtld-tech at icann.org>
Subject:  Re: [tmch-tech] Test SMDs files now available

> Gustavo,
> In reviewing the sample SMD's I notice that the decoded signed marks are
> pretty printed with spaces.  I recommend that no spaces be used with the
> signed marks since it introduces additional risk of validation errors.  The
> spaces do not add any value since they are base64 encoded and software could
> pretty print the XML if needed outside of the validation flow.
> JG 
> James F. Gould
> Principal Engineer
> Verisign
> jgould at verisign.com
> On Jul 16, 2013, at 1:41 AM, "Gustavo Lozano" <gustavo.lozano at icann.org>
> wrote:
>> Colleagues,
>> Information about the recently published test SMDs files can be found in the
>> following link:
>> http://newgtlds.icann.org/en/about/trademark-clearinghouse/smd-test-repositor
>> y-15jul13-en.pdf
>> The different parties involved in the TMCH project have developed test SMDs
>> files in order to obtain feedback from the community and assist implementers
>> of the SMD technology in testing their own implementations. These test SMDs
>> files have been generated using the same models of HSMs (ICANN-TMCH-CA and
>> TMV) that are going to be used in production. The code used to generate them
>> is the latest version of the TMCH code developed by the different parties
>> involved in the TMCH project. These test SMDs files should cover the
>> different test cases and comply with
>> http://tools.ietf.org/html/draft-lozano-tmch-smd-02
>> We appreciate your feedback no later than July 23, please test them and send
>> your feedback to the mailing list or to me privately. We understand that this
>> is a short period of time and any bug found after this date will be
>> corrected, but it is extremely helpful if you could send your feedback before
>> this date.
>> Note: These test SMDs files include the TMV and CA certificate embedded in
>> the XML, new test SMDs files are going to be generated soon in order to
>> remove the CA certificate. The inclusion of the CA certificate in the SMD
>> file should not have an impact on the tests performed with these SMDs files.
>> Thank you,
>> Gustavo

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