double encryption

Ryan Malayter
Tue Jun 11 17:34:04 2002

The only thing I could find was this presentation

-----Original Message-----
From: Adrian 'Dagurashibanipal' von Bidder []

Sent: Tuesday, June 11, 2002 1:37 AM
To: Volker Gaibler
Subject: Re: double encryption

On Tue, 2002-06-11 at 03:59, Volker Gaibler wrote:

> A DoubleDES cipher (encrypting two times with SingleDES and two
> different keys) has an effective key size of only 1 bit more than
> SingleDES. This is not really stronger than the single


I'm surprised. But then, I'm not an expert. Can you tell me why, or
point me to a reference?

-- vbi

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