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Windows Server



    

Bitlocker    

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Bitlocker


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Apr
25

Bitlocker

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TPM trusted platform module

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TCG - Bios Complaint

Two partitions NTFS

 

For security / encryption of hard data

 

 

TPM trusted platform module

TPM, abbreviated for Trusted Platform Module is a special chipset on the computers’ motherboard that is used by BitLocker while working on encrypting / decrypting users’ data. This is a special chipset dedicated for the task of encryption / decryption itself.

 

TCG - Bios Complaint

Trusted Computing Group (TCG) BIOS interface is what is used by the system and BitLocker to communicate with the TPM hardware.

 

The Trusted Computing Group (TCG), successor to the Trusted Computing Platform Alliance (TCPA), is an initiative started by AMD, Cisco, Hewlett-Packard, IBM, Intel, Microsoft and Wave Systems Corp. to implement Trusted Computing.

 

BitLocker needs two partitions on the Hard Drive

Two partitions are required to run BitLocker because pre-startup authentication and system integrity verification must occur on a separate partition from the encrypted operating system drive. This configuration helps protect the operating system and the information in the encrypted drive. In Windows Vista, the system drive must be 1.5 gigabytes (GB), but in Windows 7 this requirement has been reduced to 100 MB for a default installation. The system drive may also be used to store the Windows Recovery Environment (Windows RE) and other files that may be specific to setup or upgrade programs. Computer manufacturers and enterprise customers can also store system tools or other recovery tools on this drive, which will increase the required size of the system drive. For example, using the system drive to store Windows RE along with the BitLocker startup file will increase the size of the system drive to 300 MB. The system drive is hidden by default and is not assigned a drive letter. The system drive is created automatically when Windows 7 is installed.

 

Reference: http://technet.microsoft.com/en-us/library/ee449438(v=ws.10).aspx

 

BitLocker is used for the security / encryption o the Hard Drive.

It is designed to give an offline as well as online medium of security.

 

 



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