Security Basics mailing list archives

Re: sshd for windows


From: Luciano Miguel Ferreira Rocha <strange () nsk no-ip org>
Date: Wed, 18 Jun 2003 01:50:07 +0100


On Tue, Jun 17, 2003 at 01:36:09PM -0700, DeGennaro, Gregory wrote:
BTW - 3DES is 168 bit
3DES is only 112 bit. 

ENC(DEC(ENC(data, key1), key2), key3) gives you no more security than a
ENC(DEC(ENC(data, key1), key2), key1).

A good cryptography book should give you more information why that's that than
I can.

Regards,
Luciano Rocha

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