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Re: Suggestions for requirements ...

From: Joseph M. Reagle Jr. <reagle@w3.org>
Date: Fri, 27 Oct 2000 16:52:15 -0400
Message-Id: <>
To: Steve Wiley <steve@myProof.com>
Cc: xml-encryption@w3.org
At 15:36 10/22/2000 -0700, Steve Wiley wrote:
>Attached is a short paper regarding our experiences with XML encryption.

Thanks for the well thought out requirements. Two questions:

>It is possible that a user may want to apply selective or full encryption 
>to a target document that has already had some selective encryption applied

Is this requirement is in opposition to your detached document requirement 
which asks that the original tags not be altered. So basically, one should 
have the option not to change the original tag structure?


What exactly do you mean by an encryption/decryption protocol [1]?

I expect we'll define a
1) syntax for representing decrypted information and the (optional?) 
information that can be used to decrypt it
2) process for encrypting data into the representation syntax, and a process 
for decrypting it, but no "protocol" in my understanding [1,2] ...?

    $ protocol
       (I) A set of rules (i.e., formats and procedures) to implement and
       control some type of association (e.g., communication) between
       systems. (E.g., see: Internet Protocol.)
       (C) In particular, a series of ordered steps involving computing
       and communication that are performed by two or more system
       entities to achieve a joint objective. [A9042]

Joseph Reagle Jr.
W3C Policy Analyst                mailto:reagle@w3.org
IETF/W3C XML-Signature Co-Chair   http://www.w3.org/People/Reagle/
Received on Friday, 27 October 2000 16:52:21 UTC

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