AES-CBC + Elephant diffuser

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

      Windows Vista

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

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