RE: Receipt Request Attribute

"Jim Schaad (Exchange)" <jimsch@EXCHANGE.MICROSOFT.com> Mon, 10 May 1999 20:37 UTC

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From: "Jim Schaad (Exchange)" <jimsch@EXCHANGE.MICROSOFT.com>
To: 'Tom Kung' <Tom.Kung@entrust.com>, "'ietf-smime@imc.org'" <ietf-smime@imc.org>
Subject: RE: Receipt Request Attribute
Date: Mon, 10 May 1999 12:49:32 -0700
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Tom,

My opinion on this would be:

1.  A CounterSignature can contain a receipt request.
2.  The receipt request on the original SignedData and the receipt receipt
on the CounterSignature can be different.  The requirement is that all
receipt requests in a SignerInfo sequence be the same and a CounterSigner
has a different SignerInfo sequence

jim


-----Original Message-----
From: Tom Kung [mailto:Tom.Kung@entrust.com]
Sent: Monday, May 10, 1999 11:48 AM
To: 'ietf-smime@imc.org'
Subject: Receipt Request Attribute


Gooday,

I would appreciate clarification on the following with respect to the
Receipt Request attribute:

1.	May a CounterSignature contain a receipt request?

2.	If so, MUST all receipt requests in a SignedData be identical?  The
spec specifies that all Receipt Requests be identical.  Is it the intent
that CounterSignatures containing a receipt request MUST also be identical
with other receipt requests if it exists?  I don't see why each
countersignature can not have a different receipt request.


thanx,tom.