1994-09-28 - 3DES
Header Data
From: pstemari@bismark.cbis.com (Paul J. Ste. Marie)
To: cypherpunks@toad.com
Message Hash: 806e5b20585f871e786b1c4237074be320c7308453bcd7d451bbc34b33d9a100
Message ID: <9409282126.AA00174@focis.sda.cbis.COM>
Reply To: N/A
UTC Datetime: 1994-09-28 21:26:46 UTC
Raw Date: Wed, 28 Sep 94 14:26:46 PDT
Raw message
From: pstemari@bismark.cbis.com (Paul J. Ste. Marie)
Date: Wed, 28 Sep 94 14:26:46 PDT
To: cypherpunks@toad.com
Subject: 3DES
Message-ID: <9409282126.AA00174@focis.sda.cbis.COM>
MIME-Version: 1.0
Content-Type: text/plain
Quick question. There's a brief mention in Applied Cryptography that
triple DES uses:
Eabc(x) = Ea(Db(Ec(x)))
as opposed to:
Eabc(x) = Ea(Eb(Ec(x)))
in order to preserve some symmetry properties. Can anyone give a
better explanation?
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- 1994-09-28 (Wed, 28 Sep 94 14:26:46 PDT) - 3DES - pstemari@bismark.cbis.com (Paul J. Ste. Marie)