Nowadays, there are more and more kinds of personal computers that are owned by everyone. Whether it is desktop, notebook or tablet, it has become an indispensable partner in our work and life, and among these devices Data is even more important, and both work documents and private photos need to be secured. In addition to providing secure login protection such as picture passwords, Win8 system upgrades the drive security encryption tool ——BitLocker (mobile device corresponding function is BitLocker To Go), we can use it to do the specified drive, especially mobile storage device Data security protection.
Editor: Win8 Professional Edition and Win8 Enterprise Edition support BitLocker function, Win8 Normal Edition and Win RT do not include BitLocker function. In addition, if the BitLocker-encrypted drive is formatted, both data and secure encryption protection are lost.
BitLocker in Win7 can only encrypt all data and free space on the target drive. If the drive volume is large, the encryption process takes a long time. In Win8's BitLocker encryption service, users can choose whether to encrypt the entire volume or only the used space. If the user selects the "Encrypt only used disk space" option, Win8 will only encrypt the drive part that owns the data during the process of encrypting the drive, and the available disk space will not be encrypted, which can effectively speed up the encryption of the drive. speed.
The following details the details and usage of BitLocker driver encryption in Win8 system. There are three steps: enter the encryption interface, drive encryption operation, and use after encryption.
Multiple ways to enter Win8 BitLocker Drive Encryption
We can find the "BitLocker Drive Encryption" setting option in "Control Panel & mdash; System and Security", click to enter the BitLocker Drive Encryption interface.
Entering BitLocker Drive Encryption from the Control Panel
You can also use the “Win+W” shortcut key to enter the Win8 settings search interface, enter “<quo;BitLocker” in the search box to find” BitLocker Drive Encryption & "BitLocker Management".
Illustration: Entering BitLocker Drive Encryption from Win8 Search Interface
After entering Win8's “BitLocker Drive Encryption” interface, we can see all the drives in the current Win8 device, including mobile storage devices ( You can see BitLocker To Go). If no encryption has been done, all drive statuses are displayed as “BitLocker(BitLocker To Go) is turned off”. If we need to secure a drive, click on the corresponding location “ enable BitLocker”
BitLocker driver encryption interface
We can also right click on the target driver in Win8 Explorer, in the right-click menu, there is <; enable BitLocker” option, click, and The above steps have the same effect.
Figure: Entering BitLocker Drive Encryption from Win8 Explorer
Below we try to do BitLocker security encryption on U disk.
Encrypting Drives with BitLocker
Now we try to do BitLocker security encryption on USB sticks. After entering the BitLocker drive security encryption, the system will first give you a choice of how to unlock the drive, you can use a password, you can also use a smart card. Generally we choose a password to unlock. Tick "Use password to unlock the drive", click “Next”, enter the password, note: the password should include uppercase and lowercase letters, numbers, spaces and symbols. If the password is set too simple, the system will remind you to reset.
Illustration: Select the unlock method
After setting the password. Bitlocker will give you the option to backup the recovery key, there is "Save to Microsoft account", "Save to file" and "Print recovery key", if we are doing Bitlocker on the partition of the fixed hard disk Encryption will also add an option to "Save to U disk".
Illustration: Select backup recovery key method (mobile drive)