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[gNewSense-users] Re: Is ZIP a free file format?

From: Simon Josefsson
Subject: [gNewSense-users] Re: Is ZIP a free file format?
Date: Fri, 28 Aug 2009 11:23:58 +0200
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.1 (gnu/linux)

Victor Cortiano <address@hidden>

> Sam's answer is more complete than mine, but I think that, since there
> are already free implementations of zip, it's safe to say that it's a
> free format. I'm not aware of any functionality of ZIP that only exists
> in a proprietary program.

Aren't some encryption support only available in PK-ZIP?

PKZIP claims to support X.509 certificate sign/encrypt support, and I
don't recall seeing that in Info-zip.

I would recommend use of TAR + GZ or possibly TAR + BZ2 instead.  If
signing/encryption of data is required, use OpenPGP or S/MIME (PKCS#7).


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