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Re: [Json-canon] [EXT] Re: Support for a WG

Samuel Erdtman <samuel@erdtman.se> Tue, 22 January 2019 16:37 UTC

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References: <38C84459-3D2E-4E78-BF48-FE277388E33A@contoso.com> <21415_1547794000_5C417650_21415_473_1_34A23FAA-C8F5-40E3-8358-FD42C5F78126@tzi.org> <60B977A0-0958-4DDF-A666-A44F074E5946@mitre.org> <E7B44CE8-CE81-4AB3-9665-12D1A52FD9C5@lookingglasscyber.com>
In-Reply-To: <E7B44CE8-CE81-4AB3-9665-12D1A52FD9C5@lookingglasscyber.com>
From: Samuel Erdtman <samuel@erdtman.se>
Date: Tue, 22 Jan 2019 17:37:37 +0100
Message-ID: <CAF2hCbYSDsPf6p56i1uhSBZZQv7jgLdCQGqHmsVi+nzbW3_46A@mail.gmail.com>
To: Allan Thomson <athomson@lookingglasscyber.com>
Cc: "Struse, Richard J." <rjs@mitre.org>, Carsten Bormann <cabo@tzi.org>, "json-canon@ietf.org" <json-canon@ietf.org>
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Subject: Re: [Json-canon] [EXT] Re: Support for a WG
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I do not think we should go into schemas, that is one of the things that
makes XMLDigSig inconvenient. But instead keep to simple JSON stringifying
with predictable result.
On Tue, 22 Jan 2019 at 16:19, Allan Thomson <athomson@lookingglasscyber.com>
wrote:

> Particularly important in what Rich says is also is to ensure the same
> hash is created where those JSON objects have optional or empty/missing
> properties that are defined in the schema of the object.
>
> Regards
>
> Allan
>
> On 1/22/19, 4:31 AM, "json-canon on behalf of Struse, Richard J." <
> json-canon-bounces@ietf.org on behalf of rjs@mitre.org> wrote:
>
>     The use case is to enable other standards that use a JSON
> serialization to be able to count on two objects, each with the same
> contents, having the same hash value based on their representation in JSON.
>
>     Does that help?
>
>     On 1/18/19, 1:47 AM, "Carsten Bormann" <cabo@tzi.org> wrote:
>
>         On Jan 18, 2019, at 03:50, Struse, Richard J. <rjs@mitre.org>
> wrote:
>         >
>         > A standardized deterministic canonicalization of JSON data
> streams is essential
>
>         For what?
>
>         I think we would all benefit if you could explain your use case.
>
>         Grüße, Carsten
>
>
>
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