Re: Why is AES more secure than DES??

From: Panu Hämäläinen (panu.hamalainen_at_NOSPAM.tut.fi.invalid)
Date: 04/29/03


Date: Tue, 29 Apr 2003 14:57:39 +0300


"Yuen" <Yuen@123.com> wrote in message
news:MRsra.24777$1s1.380171@newsfeeds.bigpond.com...
> I encrypt a block of data 0xFFF times, the result:
> AES128 0.0200(seconds)
> AES256 0.0200(seconds)
> DES 0.4500 (seconds)
>
> AES is much faster, but why is AES more secure than DES??
> When cracking a message, faster decryption is easier to crack?? because one
> can guess more password per second.
> The cracking method is "guess all possible password"

You can add an infinite loop into the end of your DES program to make it even
more secure. ;)

AES has a much longer key than DES. Trying all keys takes more time even if
processing one key was faster.

-- Panu



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