Re: How secure PKZIP scramble?

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#4166

From: Pete Fenelon
Date: Sun, 03 Sep 1995 00:00

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On 2 Sep 1995 02:40:27 GMT, Astronomy Ireland wrote:
> How secure is PKZIP's scramble option?
> Is it easy to crack or one of those 'advanced' techniques?

It is not at all secure. Zipcrack tries exhaustive (I assume) searches of
the password space and manages to get through most zips I've tried it on
overnight, on a relatively humble 100MHz 486.

pete
-- 
Peter Fenelon - Research Associate - High Integrity Systems Engineering Group,
Dep't of Computer Science, University of York, York, YO1 5DD (+44 1904 433388)
Mail: pete@cs.york.ac.uk & Homepage on: http://dcpu1.cs.york.ac.uk:6666/~pete/

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From: pete@cs.york.ac.uk (Pete Fenelon)
Subject: Re: How secure PKZIP scramble?
Date: 1995/09/03
Message-ID: <1995Sep3.234800.20251@zippy.dct.ac.uk>
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