There's another solution, one that works with whole-disk encryption products like PGP disk (I'm on PGP's advisory board), TrueCrypt, and BitLocker: encrypt the data to a key you don't know.

有另外一种方法，即用全磁盘加密产品，像PG P磁盘(我在PGP顾问委员会)，加密软件，驱动器加密。用一个你不知道的密钥来加密数据。

youdao

Secure storage devices with on-board encryption are available from many vendors today, including all hard disk manufacturers (Seagate Technology, Western Digital and Toshiba) as well as major SSD manufacturers such as Intel, Micron, and Samsung.

FORBES: Creating Security from the Inside Out

Second, the McCain legislation calls for the creation of an industry-government advisory board tasked to consider and jointly develop recommendations concerning future standards for encryption exports.

CENTERFORSECURITYPOLICY: Center For Security Policy