1994-06-21 - something I’ve always wondered

Header Data

From: jim@bilbo.suite.com (Jim Miller)
To: cypherpunks@toad.com
Message Hash: 7a9ad8acbec2ce6103892e267c66695f3e01d5d0ddb40cbc7f754c972bb547a9
Message ID: <9406211648.AA06523@bilbo.suite.com>
Reply To: N/A
UTC Datetime: 1994-06-21 16:49:27 UTC
Raw Date: Tue, 21 Jun 94 09:49:27 PDT

Raw message

From: jim@bilbo.suite.com (Jim Miller)
Date: Tue, 21 Jun 94 09:49:27 PDT
To: cypherpunks@toad.com
Subject: something I've always wondered
Message-ID: <9406211648.AA06523@bilbo.suite.com>
MIME-Version: 1.0
Content-Type: text/plain




Does DES (or name your favorite encryption algorithm) produce as output  
all possible cyphertexts of length L, given all possible conbinations of  
keys and plaintexts of length L?

Since there are more combinations of key and plaintext than there are  
possible cyphertexts outputs of length L, you know there must be some  
combinations of key and plaintext that produce the same cyphertext.

Just curious,

Jim_Miller@suite.com





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