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Re: Requirements and Goals for the Design of an 'XML Encryption Standard'

From: Christian Geuer-Pollmann <geuer-pollmann@nue.et-inf.uni-siegen.de>
Date: Tue, 21 Nov 2000 09:52:49 +0100
To: priewe@darmstadt.gmd.de, xml-encryption@w3.org
Message-ID: <4137760985.974800369@clouseau>
Dear Arne,

--On Montag, 20. November 2000 21:37 +0100 priewe@darmstadt.gmd.de wrote:

>>> If you want to compress you instances before encryption - do so!
>> People didn't seem keen on compression.
> Maybe we should use the term "redundancy removal" instead of compression.
> This should be possible to harden encrypted docs against known-plaintext
> attacks.
> How this is technically achieved should be considered later.
> But it may be achieved via compression.
>
> According to the meeting minutes there mainly seem to be legal
> considerations
> against compression. Aren't there any patent free compression algorithms?
> We think on gzip or bzip that are published under GNU license.

Compression could be done using arbitrary techniques like GZip or Millau 
[1].

Christian

[1] Millau: an encoding format for efficient representation and
    exchange of XML over the Web
    http://www9.org/w9cdrom/154/154.html
Received on Tuesday, 21 November 2000 04:04:36 GMT

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