Full Disk Encryption

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Full Disk Encryption or Whole Disk Encryption is a phrase that was coined by Seagate to describe their encrypting hard drive. Under such a system, the entire contents of a hard drive are encrypted. This is different from Full Volume Encryption where only certain partitions are encrypted.

Some examples of full disk encryption:

Hardware Solutions

Seagate FDE
http://www.seagate.com/docs/pdf/marketing/PO-Momentus-FDE.pdf
Network Appliance (Decru)
http://www.netapp.com/ftp/decru-fileshredding.pdf
http://www.decru.com/products/pdf/dsEseries.pdf (NetApps DataFort)
http://www.decru.com/products/ltkm.htm (Decru Lifetime key Management)
http://www.forensicswiki.org/images/6/6f/Securing_Storage_White_Paper.pdf (Decru white paper)
Jetico BestCrypt
http://www.jetico.com/
beCrypt
http://www.becrypt.com/our_products/disk_protect.php
SecureDoc
http://www.smart-cardsys.com/security/securedoc.htm
Securstar driveCrypt DriveCrypt 4.20 - 1344Bit Hard Disk Encryption
http://www.securstar.com/products_drivecryptpp.php
Eracom Technology DiskProtect
http://www.eracom-tech.com/drive_encryption.0.html
Hitachi Bulk Data Encryption
http://www.hitachigst.com/tech/techlib.nsf/techdocs/74D8260832F2F75E862572D7004AE077/$file/bulk_encryption_white_paper.pdf

Software Solutions

BitLocker
Part of Windows Vista that uses AES 128 or 256 bit encryption
BitArmor
http://www.bitarmor.com/
dm-crypt
Transparent file system and swap encryption for Linux using the Linux 2.6 device mapper. Supports various ciphers and LUKS (Linux Unified Key Setup).
http://www.saout.de/misc/dm-crypt/
loop-AES
Transparent file system and swap encryption for Linux using the loopback device and AES.
http://sourceforge.net/projects/loop-aes/
SafeGuard Easy
Certified according to Common Criteria EAL3 and FIPS 140-2
Encryption algorithms supported: AES (128 and 256 bit) and IDEA (128 bit)
Provides complete hard drive encryption including the boot disk.
http://www.utimaco.us/products
PointSec
http://www.pointsec.com/