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Data Encryption Tools
Data Encryption is the translation of data into a secret code. Encryption is the most effective way to achieve data security. To read an encrypted file, you must have access to a secret key or password that enables you to decrypt it. Unencrypted data is called plain text whereas encrypted data is referred to as cipher text.
Note: The Web sites below are furnished with the intention of providing data encryption resources only. Any links leading to external Web sites and resources are provided as a convenience and for informational purposes only. These external sites do not constitute an endorsement or any association with the University. Cal State L.A. bears no responsibility for the accuracy, legality, or content of the external site.
TrueCrypt is a software system for establishing and maintaining an on-the-fly-encrypted volume (data storage device). See http://www.truecrypt.org.
Gnu Privacy Guard
GnuPG is the GNU project's complete and free implementation of the OpenPGP standard as defined by RFC4880 . GnuPG allows to encrypt and sign your data and communication, features a versatile key managment system as well as access modules for all kind of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications. See http://www.gnupg.org/
Steganos LockNote will change the way you work with confidential notes. Application and document in one: the mechanism to encrypt and decrypt a note is part of it. Secure, simple, independent. No installation required. See http://www.steganos.com/us/products/for-free/locknote/overview/
Mac OS X 10.3 or later: Creating a password protected (encrypted) Disk Image
Disk Utility is capable to create an encrypted disk image. And encrypted disk image works just like an unencrypted one but requires a password to open and become available (in a "mount"). See http://support.apple.com/kb/ht1578
Mac OS X: FileVault
FileVault can prevent others from seeing or copying your files, encrypting the files in your home folder. FileVault creates a separate volume for your home folder and encrypts the contents of it. The data in your home folder is encoded and your information is secure if your computer is lost or stolen. FileVault uses the latest government-approved encryption standard, the Advanced Encryption Standard with 128-bit keys (
Windows Vista or 7: BitLocker
BitLocker is the Windows Vista (or 7) utility that encrypts the contents of the hard disk. At startup, the drive must be unlocked by typing in a password or inserting a USB flash drive that contains the password. If a Trusted Platform Module (TPM) chip is on the motherboard, BitLocker uses it to generate keys based on system files. If any of these files have changed, BitLocker keeps the data encrypted. See http://www.microsoft.com/windows/windows-7/features/bitlocker.aspx.