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Re: block encryption algorithm padding

From: Christian Geuer-Pollmann <geuer-pollmann@nue.et-inf.uni-siegen.de>
Date: Thu, 18 Apr 2002 17:27:58 +0200
To: reagle@w3.org, xml-encryption@w3.org
Message-id: <354469.1019150877@pinkpanther>
--On Donnerstag, 18. April 2002 11:09 -0400 Joseph Reagle <reagle@w3.org> 
wrote:

> On Tuesday 16 April 2002 09:36, Christian Geuer-Pollmann wrote:
>> Just to have a way to name padding mechanisms, here are some examples:
>> ISO10126d2Padding FF FF FF FF FF FF FF FF FF 7D 2A 75 EF F8 EF 07
>> ISO 10126 D2 defines to fill the octets before the length with random
>> data
>
> A quick nit to improve my understanding (particularly as I can't easily
> find ISO 10126), this isn't "random" data in any strict sense of the word
> right? It's "arbitrary" data.

I guess that they recommend to fill it with pseudo-random arbitrary data... 
But I'm not sure...

Christian
Received on Thursday, 18 April 2002 11:23:32 UTC

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