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TrueCrypt is distributed on a non-free license, and is therefore not included in the Fedora repos.

What alternatives would you suggest?

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Does the license really matter that much? They offer it for free :/ just add their repo. –  William Hilsum Aug 31 '11 at 11:08
    
Well I heard that some if it is kind of secretly veiled from the public, as if they want to keep a backdoor open? I don't know, I didn't dive too much into that stuff. –  polemon Aug 31 '11 at 11:11
    
I highly doubt that! It is open source, anyone can see the source code if they wish. –  William Hilsum Aug 31 '11 at 11:25
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@polemon: That's a very nice tin-foil hat you have, but you shouldn't rely on hearsay. Note that TC has been open-source for some time (and the full code has been reviewed). The problem that most distros have is that the license is not compatible with theirs. See e.g. this for Tom Callaway's (of Red Hat) take on it: lists.freedesktop.org/archives/distributions/2008-October/… –  Piskvor Aug 31 '11 at 11:39
    
Here is the TrueCrypt license, and it looks more copyleft than the BSD license but more copyright than the GPL (modifications are permitted, and you have to distribute the source). Also, that TrueCrypt information was added three years ago to that Wiki site (and their original recommendation was to use RealCrypt instead, but there's no point - just use TrueCrypt, it's the best encryption software I've ever used TBH). –  Breakthrough Aug 31 '11 at 13:13
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up vote 4 down vote accepted

LUKS is probably the most common method for encrypting whole filesystems.

For single directories (e.g. ~/Private), eCryptFS is good.

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What would you suggest when encrypting USB flash drives, or SD cards? –  polemon Aug 31 '11 at 11:22
    
LUKS is compatible with FreeOTFE, if you need a cross-platform tool. –  grawity Aug 31 '11 at 11:43
    
Well, I'm very happy with how well LUKS is integrated into the system. Cross-platform capabilities are nice to have, but FreeOTFE isn't a too great program... –  polemon Sep 3 '11 at 22:51
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