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Re: 3DES keys

To: Paul_Lambert-P15452@email.mot.com
Subject: Re: 3DES keys
From: Hilarie Orman <ho@cs.arizona.edu>
Date: Wed, 27 Sep 1995 15:39:31 -0700
Cc: ipsec@ans.net
In-Reply-To: Yourmessage <199509272201.AA31084@interlock.ans.net>

I think there is some concern about the starting entropy, and it is
worthwhile to have a careful discussion about it.  My understanding is
that Photuris will have only 64 bits of initial entropy.  Using this
with MD5 to generate 112 bits for 3DES (2 key) is inappropriate, I
believe.  It is inappropriate in the same way that 40-bit DES is a
crippled DES.

And 3DES (2 key) has its own problems.

Follow-Ups:

Re: 3DES keys

From: Theodore Ts'o <tytso@MIT.EDU>

References:

Re: 3DES keys

From: Paul_Lambert-P15452@email.mot.com

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