RE: [Exim] Encrypted Viruii

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Συντάκτης: Sheen, Tony
Ημερομηνία:  
Προς: exim-users
Αντικείμενο: RE: [Exim] Encrypted Viruii
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Also take a look at http://www.info-zip.org/pub/infozip/

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Tony Sheen
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-----Original Message-----
From: Philip Chambers [mailto:P.A.Chambers@exeter.ac.uk]
Sent: 03 March 2004 14:38
To: exim-users@???
Subject: Re: [Exim] Encrypted Viruii



On Wed, 03 Mar 2004 14:01:02 +0000 Nigel Metheringham
<Nigel.Metheringham@???> wrote:

> How is zip encryption done? Is the central directory encrypted or just
> the file payloads?
>
> If its just the file payloads then you would be able to see name &
> metadata (including size and maybe crc).
>
>     Nigel.


take a look at:
http://www.pkware.com/products/enterprise/white_papers/appnote.html

Phil.
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Phil Chambers (postmaster@???)
University of Exeter




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