Re: Key-based cryptographic modes


Jeff Dege wrote:
Block ciphers are generally used using one of the various cryptographic
modes. ...

I've not seen one that mixed the prior block with the key - so that each
block was encrypted with a different key. And I can think of no
particular reason that this would not work.

I posted something along these lines some time back with title
"Is this a new mode?"
http://groups.google.com/group/sci.crypt/browse_frm/thread/355f901822f00e11/74d0741a0beaf83b?lnk=st&q=sandy+harris+new+mode&rnum=1&hl=en#74d0741a0beaf83b

.