Trace Id is missing

Unlock your potential with Microsoft Copilot

Get things done faster and unleash your creativity with the power of AI anywhere you go.
Download the Copilot app
Microsoft Copilot app being utilized to generate pictures of a singing dog, assisting to identify a flower, and helping to generate an email to congratulate a coworker on a promotion.

AES-CBC + Elephant diffuser

The specifications of the AES-CBC + diffuser algorithm used in BitLocker Drive Encryption

Important! Selecting a language below will dynamically change the complete page content to that language.

Download

  • Version:

    2006-08

    Date Published:

    9/13/2006

    File Name:

    BitLockerCipher200608.pdf

    File Size:

    184.9 KB

    The Bitlocker Drive Encryption feature of Windows Vista poses an interesting set of security and performance requirements on the encryption algorithm used for the disk data. We discuss why no existing cipher satisfies the requirements of this application and document our solution which consists of using AES in CBC mode with a dedicated diffuser to improve the security against manipulation attacks.

  • Supported Operating Systems

    Windows 10, Windows 7 Professional, Windows 8 Pro, Windows 8.1, Windows Vista

    BitLocker is only availble in the Enterprise and Ultimate editions of Windows Vista

  • .
Follow Microsoft
Back To Top