Re: Call for stego ideas

From: John A. Malley (102667.2235_at_compuserve.com)
Date: 07/21/04 

Date: Tue, 20 Jul 2004 17:00:54 -0700

John Cole wrote:
[...]
>
> My take on cryptography is a bit different. Right now,
> I cascade my encryption using 5 popular, symmetric
> block ciphers, each with its own unique key;

Just out of curiosity,

1) are you cascading the output of block cipher A in ECB mode with block
cipher B in ECB mode with block cipher C in ECB mode, and so on...

or

2) are you cascading the outputs of block cipher A and B and C and so
on, all in ECB mode, to make a new PRP out of them all, and then using
this composite PRP in a block cipher mode,

or

3) are you cascading the output of block cipher A in non-ECB mode X,
with block cipher B in non-ECB mode X, and so on, all modes the same,

or

4) are you cascading the output of block cipher A in non-ECB mode X,
with block cipher B in non-ECB mode Y, and so on, all modes different
for each block cipher?

John A. Malley
102667.2235@compuserve.com 

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