Re: Data Partition Encryption documentation

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(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ Everyone has their own god. +