encrypting disks

[Ranjan Maitra]

Thanks, Bill (and Zoltan)! Both of you make excellent points and this,
along with Zoltan's pointers, is most helpful. I have a question: can an
encrypted disk be unencryted without losing the data in it?

Many thanks,
Ranjan

On Sun, 14 Jul 2013 21:22:30 +0000 Bill Oliver <vendor at billoblog.com>
wrote:

> 
> I'll second the plug for cryptkeeper.  I've done it both ways -- encrypting a partition and using cryptkeeper.  Both have been pretty transparent.  I have had no problem using ssh or hibernating with either, but I like the selectivity of cryptkeeper.
> 
> I have read, but do not perceive personally, that encrypted disks are a bit slower.  But really, the reason that I don't encrypt entire disks is a fear of what happens if either I forget my password or there's a corruption issue.  With an encrypted folder, then I lose that particular data.  If I encrypt the entire disk, then either my entire home directory or my entire system is hosed -- depending on the partitioning.
> 
> 99% of what I have on my computer I don't give a rat's ass about someone else seeing if I misplace my laptop.  The few things that I do want protected by encryption -- work files, case data, etc.  I can put in a folder and encrypt with cryptkeeper.  If that gets fouled up, I still have my box...
> 
> billo
> 
> 
> On Sun, 14 Jul 2013, Zoltan Hoppar wrote:
> 
> > What you'll get in disk encription is a partition ecryption with
> > dm-crypt/LUKS. You can read a lot inside the manuals.
> >
> > Otherwise if you don't wanna encrypt everything, then you have
> > alternatives - as Cryptkeeper what is in the repository. That provides
> > EncFS for folders, and usually in most cases this is enough.
> >
> > HTH,
> >
> > Zoltan
> >
> > 2013/7/14 Ranjan Maitra <maitra.mbox.ignored at inbox.com>:
> >> Hi,
> >>
> >> In Fedora, there has almost always been an option at the disk
> >> partitioning stage to encrypt the disk ("Encrypt my data"). I have never
> >> used it but wanted to try it. So, what does this give me? In other
> >> words, is it still possible to 1. Hibernate and come back (with
> >> password, perhaps)?
> >> 2. ssh into it from another machine (of course, when it is on and
> >> running).
> >>
> >> Just making sure I understand what I am getting into.
> >>
> >> Thanks!
> >> Ranjan
> >>
> >> PS: Installing F19 on my shiny new Dell XPS13 which came with Ubuntu
> >> 12.04 LTS (lower-priced than Windoze). Btw, the Ubuntu installer crashed
> >> in the final stages of installation! So much for the reliability LTS....
> >>
> >> Ranjan
> >>
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