[4913] in cryptography@c2.net mail archive
Re: permutations
daemon@ATHENA.MIT.EDU (Mike Stay)
Sat Jun 19 20:34:41 1999
Date: Fri, 18 Jun 1999 17:24:08 -0600
From: Mike Stay <stay@accessdata.com>
To: cryptography@c2.net
Sure, that's a pro to having one key per plaintext/ciphertext pair. A
con might be that you only need one known plaintext block (with
unlimited computing power :) to determine the key. Are there any others
I'm missing?
gw-terisa wrote:
>if keys > 1, then you have in essence just whacked bits off the key
>size.
>Unless you asked your question oddly and missed your intent, I can't
>see any value in keys>1.
>>
>>What are the pros/cons of having only one key take a given plaintext >>to a given ciphertext?
>>--
>>Mike Stay
>>Cryptographer / Programmer
>>AccessData Corp.
>>mailto:staym@accessdata.com
>>
>>
>>
--
Mike Stay
Cryptographer / Programmer
AccessData Corp.
mailto:staym@accessdata.com
