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Re: Signing and Encryption

From: Takeshi Imamura <IMAMU@jp.ibm.com>
Date: Wed, 24 Jan 2001 20:27:08 +0900
To: "Joseph Ashwood" <jashwood@arcot.com>
Cc: <xml-encryption@w3.org>
Message-ID: <OFC9896F46.DF32BA4F-ON492569DE.003DCCB7@LocalDomain>


Joseph,

>The attached signatures are a different matter, it needs to be verified
>that the granularity of the encryption is such that if the data to be
>signed is signed at a higher level the encryption needs to take place at
>the higher level. The lower level case we don't need to concern ourselves
>with, we will afterall be encrypting the signature along with it
>(provided it is attached).

Sorry, but I didn't follow these sentences.  Could you explain what "higher
level" and "lower level" mean with examples?

Thanks,
Takeshi IMAMURA
Tokyo Research Laboratory
IBM Research
E-mail: imamu@jp.ibm.com
Received on Wednesday, 24 January 2001 06:27:22 GMT

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