W3C home > Mailing lists > Public > xml-encryption@w3.org > January 2002

Re: Last call comments on XML Encryption specs

From: Joseph Reagle <reagle@w3.org>
Date: Wed, 9 Jan 2002 16:44:57 -0500
Message-Id: <200201092145.QAA13312@tux.w3.org>
To: John Cowan <jcowan@reutershealth.com>, Martin Duerst <duerst@w3.org>
Cc: xml-encryption@w3.org
On Wednesday 09 January 2002 12:42, John Cowan wrote:
> This seems bizarre.  A partially encrypted document on this view is not
> XML at all, but XML-with-interruptions: a sequence of characters,
> then raw octets, then more characters.

Hi John,

I'm not quite sure I undersatnd this. A partially encrypted XML document is 
XML. It's XML that has a few xenc:EncryptedData elements. Those elements 
include characters in CipherValue that represent octets (which are the 
encrypted form of something else which I will return too) as encoded by 

Now, what is the nature of this data that has been encrypted: the 
plaintext? It is an octect sequence that represents in UTF-8 the characters 
resulting from serializing some part of an XML document. This XML fragment 
(the part of the original source XML that is to be encrypted) might not be 
well-formed in a few instances.

... I think I got that right ...?


Joseph Reagle Jr.                 http://www.w3.org/People/Reagle/
W3C Policy Analyst                mailto:reagle@w3.org
IETF/W3C XML-Signature Co-Chair   http://www.w3.org/Signature/
W3C XML Encryption Chair          http://www.w3.org/Encryption/2001/
Received on Wednesday, 9 January 2002 16:45:09 UTC

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