MDC & Symmetric

David Shaw dshaw@jabberwocky.com
Mon May 20 14:31:01 2002


On Mon, May 20, 2002 at 11:30:58AM +0000, Aurelio Turco wrote:
> Does gpg's symmetric encryption also benefit from
> MDC (Modification Detection Code)?

Yes.  Since unlike PK encryption, there is no way to tell if the
recepient can handle it, it is off by default.  You usually need to
turn it on via --force-mdc.  It is on by default on all of the >128bit
ciphers.

David

-- 
   David Shaw  |  dshaw@jabberwocky.com  |  WWW http://www.jabberwocky.com/
+---------------------------------------------------------------------------+
   "There are two major products that come out of Berkeley: LSD and UNIX.
      We don't believe this to be a coincidence." - Jeremy S. Anderson