RE: Has 3des been broken

From: David Correa (
Date: 12/27/01

Date: Thu, 27 Dec 2001 11:11:02 -0800 (PST)
From: David Correa <>
To: leon <>

On Thu, 27 Dec 2001, leon wrote:
> I thought 3des used 168 bit encryption????

3DES is a technique by which the DES algorithm is applied
three times to each plain text block. Typical approaches use two
conventional DES keys, this yields a length of 112 bits. Some
use three different keys, yielding a total size of 168 bits.

David Correa RHCE CCNA