Date: Thu, 3 Feb 2005 18:57:52 -0800 (PST) From: "ALeine" <aleine@austrosearch.net> To: jeremie@le-hen.org Cc: freebsd-hackers@FreeBSD.org Subject: Re: RFC: backporting GEOM to the 4.x branch Message-ID: <200502040257.j142vqwS087355@marlena.vvi.at>
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jeremie@le-hen.org wrote: > This may not be exactly what you are looking for, but I think it > may be important to look at it at least : > > http://www.filesystems.org/ > > The project is named FiST and it uses stackable layers so you > can, for example, encrypt file content. Thanks, I'm actually familiar with the inner workings of Erez Zadok's (FiST based) CryptFS, it's been running on my test system for about 2 years now. The problem with CryptFS is that it's not of production quality, it's more of a proof-of-concept academic type of implementation. Back in 2003 I tracked down a serious (kernel-panic-causing) off-by-one bug in the FreeBSD 4 and 5 vnode fistgen templates for which I also submitted a patch. Erez said he would see to it that the patch got committed, but I just checked and I see that that bug is still present in the latest version (0.0.7). Oh well, if you want to use CryptFS on your FreeBSD 4.x and 5.x systems without kernel panics feel free to contact me for the patch. Maybe someone would be willing to put the patch somewhere on freebsd.org so that new CryptFS users can easily find it? Anyway, Erez has also been working on NCryptFS, which seems quite promising: http://filesystems.org/docs/ncryptfs/ncryptfs.html The problem with NCryptFS is that so far no code has been released and since it looks like it might get released a day after Duke Nuke 'em Forever I thought I would see what I can do about backporting GDBE to the 4.x branch. :-/ ALeine ___________________________________________________________________ WebMail FREE http://mail.austrosearch.net
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