Re: Double Encryption Illegal?

From: Mok-Kong Shen <mok-kong.shen_at_t-online.de>
Date: Sat, 16 Sep 2000 17:48:58 +0200
Message-ID: <39C3966A.67A0A5DC_at_t-online.de>


Tom St Denis wrote:
>
> Mok-Kong Shen <mok-kong.shen_at_t-online.de> wrote:
> >
> >
> > PRdO wrote:
> > >
> > > IMHO double encryption *does not* add security, i.e., double
 encryption in
> > > 128-bit doesn't equal better encryption.
> > > (since encryption uses random keys, "randoming" again the data
 would not
> > > lead to more secure data).
> >
> > If you have an algorithm that does a perfect job (do
> > you happen to have one?), then there is by definition
> > nothing to improve. Otherwise, multiple encryption may
> > help, if done properly.
>
> Ah but double encryption is not the way to go about it.
>

You meant it should be triple, like 3-DES??

M. K. Shen Received on Sat Sep 16 2000 - 17:48:58 CEST

Original text of this message