The utility in Windows Vista 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 Windows Vista and TPM.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
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