From: jpp@markv.com
Date: Tue, 26 Apr 94 23:13:03 PDT
To: cypherpunks@toad.com
Subject: Re: DId you ever think...
Message-ID: <9404262311.aa18899@hermix.markv.com>
MIME-Version: 1.0
Content-Type: text/plain


> From: uri@watson.ibm.com
> Date: Tue, 26 Apr 1994 20:00:44 -0500 (EDT)
> 
> jpp@markv.com says:
> >   Also, after reading Crypto '92 and '93 for a while, I am more and
> > more impresed and suprised with the work that NSA put into creating
>                                                 ^^^
> > DES from Lucifer.
> 
> Surely you mean IBM?

  [Also a similar message which I unfortuenatly deleted so I can't
credit the author :(]

  No, my writing ability is not in error here -- my mental model of
the history of DES is what is in error.  I will now update my personal
model of DES development to include two steps at IBM.  Lucifer ->
proto-DES at IBM, and proto-DES -> DES at NSA.  Learn something new
every day...  Since about 1977 I wondered what the 'rediscovered
crypto techniques' were.  Thanks!

j'