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Re: [FYI] Transition announcement: First Public Working Draft of C14N 1.1 and two WG Notes

From: Szabo Aron <aron@ik.bme.hu>
Date: Mon, 18 Sep 2006 10:01:43 +0200
To: <w3c-ietf-xmldsig@w3.org>
Cc: <PLUGTESTS-XADES@LIST.ETSI.ORG>, <jose.kahan@w3.org>
Message-Id: <20060918080143.35E6BDB9@cronos.ik.bme.hu>

Dear Members,

based on the experiences of our small XAdES-interoperability tests, I'd
suggest you to make a bit more detailed description about the correct
canonicalization of white space characters. Unfortunately, both the SDKs and
developers can explain in different ways how these characters must be
handled (e.g. escaping CR/LF or setting correctly "preserveWhiteSpace"
parameter of the canonicalization function). It would be good, if there were
any example about the differences of "Attribute Nodes" and "Text Nodes" from
the viewpoint of handling white space characters (e.g. when and how is "0D"
escaped from "0D 0A" - CR/LF, and when is it eliminated?). Perhaps, these
examples could also be shown as octets not just as characters (in some
cases, differences were visible just on the level of octets).

Best regards,
Aron Szabo

Budapest University of Technology and Economics (BME)



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Received on Monday, 18 September 2006 08:02:14 UTC

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