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Re: Nonce in EncryptedData or CipherData

From: Donald E. Eastlake 3rd <dee3@torque.pothole.com>
Date: Wed, 02 Jan 2002 09:23:58 -0500
Message-Id: <200201021423.JAA0000080630@torque.pothole.com>
To: Christian Geuer-Pollmann <geuer-pollmann@nue.et-inf.uni-siegen.de>
cc: xml-encryption@w3.org, reagle@w3.org
Hi,

Yes, the Nonce was moved to EncryptedData and I guess those references
were missed...

And I agree on the AgreementMethod Nonce :-)

Unless someone objects, its name should be changed to AMNonce or the
like (it's not Diffie-Hellman specific so I don't really like DHNonce).

Thanks,
Donald

From:  Christian Geuer-Pollmann <geuer-pollmann@nue.et-inf.uni-siegen.de>
Date:  Wed, 02 Jan 2002 14:51:05 +0100
To:  xml-encryption@w3.org
Cc:  reagle@w3.org
Message-id:  <665750514.1009983065@crypto>

>Hi,
>
>in [1], section "3.3 The EncryptedData Element" tells me the existence of 
>the Nonce attribute being child of the EncryptedData element:
>
>  xenc:EncryptedData/@Nonce
>
>Section 4.1 bullet 3.3 tells me that "The encryptor MUST specify the 
>nonce's length in CipherData's Nonce attribute. " which would mean:
>
>  xenc:CipherData/@Nonce
>
>
>I assume that these both attributes are the same and one of the both is a 
>typo. Which one?
>
>And to make this all a little more obfuscated, we even have an xenc:Nonce 
>ELEMENT as child of the xenc:AgreementMethod element. I would suggest to 
>give this element babe another name like xenc:DHNonce because an attribute 
>and an element with the same name doesn't look very clear.
>
>Christian
>
>
>
>
>
>
>
>[1] http://www.w3.org/Encryption/2001/Drafts/xmlenc-core/
>    revision 1.92
>
>
Received on Wednesday, 2 January 2002 09:48:57 UTC

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