Re: Double Encryption Illegal?
From: Mok-Kong Shen <mok-kong.shen_at_t-online.de>
Date: Sat, 16 Sep 2000 12:51:20 +0200
Message-ID: <39C350A8.7F8DD52F_at_t-online.de>
Date: Sat, 16 Sep 2000 12:51:20 +0200
Message-ID: <39C350A8.7F8DD52F_at_t-online.de>
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.
M. K. Shen Received on Sat Sep 16 2000 - 12:51:20 CEST