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RE: Triple-DES Key Wrapping

1998-04-05 16:57:03

The below item just triggered off a possible interop problem in my mind.  Am
I going to have a problem exporting this product if I am wrapping the key
with 3DES?  Would I need to have a smaller (i.e. RC2/40) algorithm for doing
this wraping for export purposes?

-----Original Message-----
From: Russ Housley [mailto:housley(_at_)spyrus(_dot_)com]
Sent: Friday, April 03, 1998 3:01 PM
To: Tim Dierks
Cc: ietf-smime(_at_)imc(_dot_)org
Subject: Re: Triple-DES Key Wrapping

I am not necessarily opposed to such a structure, but there are other
policy concerns too.  For example, can a strong key be encrypted with a
weaker one (e.g., 3DES wrapped by DES)?  Should such policy be addressed?

Defining a 3DES specific key wrap allows a more efficient (fewer bits)
solution does not not delay the S/MIME 3 while policy issues are discussed.


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