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Re: LUKS Cryptography Support

From: Michael Gorven
Subject: Re: LUKS Cryptography Support
Date: Wed, 28 May 2008 16:30:03 +0200
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On Wednesday 28 May 2008 16:07:09 Robert Millan wrote:
> On Thu, May 22, 2008 at 03:56:53PM +0200, Michael Gorven wrote:
> > 2. If I am to submit Simon's patch, what remaining issues are there with
> > it? If there is a problem with the license of the ciphers I can replace
> > them with suitable implementations.
> In particular, rmd160.c was problematic:

I have replaced the RIPEMD160 hash with the implementation from libgcrypt.

> > 3. What licenses are suitable for integration with GRUB? Most of the
> > ciphers I need are available in libgcrypt[3], which is copyrighted by the
> > FSF and under LGPL 2.1. I am currently using some other code which is
> > under GPL 2 however -- what is the situation with that?
> FSF-copyrighted code is always ok.  As for GPL 2 code, if it's not "2 or
> later" it can't be legally recombined with GPL 3 code (aside from the
> constraints about paperwork, see above).

Both pieces of code are "2 or later". The situation is therefore as follows 
(excluding code written by myself and Simon):

Numerous ciphers and hashes from libgcrypt: Copyright FSF and LGPL 2.1
AES cipher from Simon's patch: LGPL 2.1
Two pieces of code I've used: GPL 2 or later

What needs to be done?


PGP Key ID 6612FE85

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