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Re: proposed XML Encryption 1.1 changes related to OAEP

From: Cantor, Scott <cantor.2@osu.edu>
Date: Wed, 5 Oct 2011 17:37:32 +0000
To: "Frederick.Hirsch@nokia.com" <Frederick.Hirsch@nokia.com>, "public-xmlsec@w3.org" <public-xmlsec@w3.org>
Message-ID: <CAB20D86.10F1A%cantor.2@osu.edu>
On 10/5/11 12:27 PM, "Frederick.Hirsch@nokia.com"
<Frederick.Hirsch@nokia.com> wrote:
>1. define new optional attribute to EncryptionMethod to convey MGF for

Can't, not without changing the namespace of the EncryptionMethod element.
I don't think it's attribute extensible either. You'd have to define a new
child element in the 1.1 namespace, I think:

<MaskGenerationFunction Algorithm="..."/>

>2. change URI for RSA-OAEP not to assume specific MGF (e.g. decouple to
>allow change to MGF). This is a significant change to decouple MGF
>definition from algorithm definition

Wouldn't we have to leave the old algorithm in place also? So we're
basically clarifying how the old one is supposed to work, and then adding
a new version that adds MGF pluggability.

-- Scott
Received on Wednesday, 5 October 2011 17:38:44 UTC

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