REPOST: Re: 3DES Encryption Storage Size

From: Kristian Gjøsteen (kristiag+news_at_item.ntnu.no)
Date: 10/25/05 

Date: Tue, 25 Oct 2005 21:02:57 +0000 (UTC)

Joseph Ashwood <ashwood@msn.com> wrote:
>, and you
>should be using a MAC so add another 8-bytes for another IV and another
>8-bytes for MAC storage,

Many (most?) MACs don't require an IV, and this is ok as long as
you MAC the ciphertext (encrypt-then-mac) and not the message
(encrypt- and-mac). 

-- 
Kristian Gjøsteen
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From: Kristian Gjøsteen <kristiag+news@item.ntnu.no>
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Subject: Cancel "Re: 3DES Encryption Storage Size"
Newsgroups: sci.crypt
Date: Tue, 25 Oct 2005 17:51:31 GMT
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