Date: Fri, 6 Dec 2013 09:47:59 -0500
From: Bruce Momjian <bruce@momjian.us>
To: Adam Vande More <amvandemore@gmail.com>
Cc: Peter Eisentraut <peter_e@gmx.net>, pgsql-docs@postgresql.org
Subject: Re: Data Partition Encryption documentation
Message-ID: <20131206144759.GB26036@momjian.us>
References: 
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 <20131202211500.GN5274@momjian.us>
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On Mon, Dec  2, 2013 at 04:15:00PM -0500, Bruce Momjian wrote:
> > pseudo diff
> > 
> > -"On Linux, encryption can be layered on top of a file system using a "loopback
> > device". This allows an entire file system partition to be encrypted on disk,
> > and decrypted by the operating system. On FreeBSD, the equivalent facility is
> > called GEOM Based Disk Encryption (gbde), and many other operating systems
> > support this functionality, including Windows."
> > 
> > +"There are at least two methods of encrypting a file system.  The first is to
> > use a tool which implements an encrypted file system.  On Linux, eCryptfs or 
> > EncFS are commonly used for this while FreeBSD uses PEFS.  The other and
> > perhaps more common method is to encrypt the block device a file system or swap
> > partition resides on.  These types of solutions can also provide full disk
> > encryption.  Linux generally uses dm-crypt + LUKS for this functionality with
> > other options dependent on kernel version/distro.  On FreeBSD, there are two
> > GEOM modules to encrypt block devices: geli & gbde with geli being the
> > preferred solution for speed, security, and options.  Many other operating
> > system have their own method of block device or full disk encryption."
> 
> I have developed the attached doc patch to improve our details around
> storage encryption.

Patch applied.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +


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