Over the years, the used U disk - Kingston DataTravler encrypted U disk out of the box

The first time I purchased the U disk, when I wrote the graduation thesis in 2003, the Buffalo 32M U disk, 1.44M floppy disk than the dozens of K read and write speeds, it is convenient too much, and then with the U disk .

For more than a decade, the main purpose of U disk is to facilitate the installation of system disks and copy the data to others for use. Used seven or eight U disk with capacities ranging from 4 to 32G. Most of the U-disks are event awards or credit card gifts, among which there is also a dumb thing like a 350-megabyte U disk.

Now let's introduce the USB flash drive on hand, read the U disk master control information, run ATTO and CDM tests, and add personal subjective feelings in recent years.

Recently, because the unit needs to purchase a public security U disk, store key server passwords, backup server configuration files, and other information, it has contacted the Kingston DataTravler 2000 keyboard encryption U disk.

Such a high-priced encrypted U disk, if not used to store Bitcoin wallets, Zhang Aunt valued friends generally do not have such a high degree of confidentiality for personal use. I also chose this U disk because of the encryption needs of the unit's server password.

What is special about it is that it has an alphanumeric keyboard that locks the flash drive with a combination of words or numbers, providing easy-to-use PIN protection. After the flash drive is unplugged from the USB interface, the auto-lock function will be activated. After ten attempts to enter the PIN code, the user will destroy the encrypted file data. Does this sound cool?

It uses full-disk AES 256-bit hardware data encryption in XTS mode. Encryption is done on the flash disk instead of the host, leaving no PIN marks on the system for reliable security.

Why is it safer to say that Ah Cai had done Trojan program development in the early years, knowing that the host-side keyboard enters a password, and there are multiple possibilities to steal the password.

Ah Cai knows at least three or more methods - the first is a contact-type intrusion, insert USB keylogger at the keyboard USB interface. Remote intrusion can use low-level keyboard hook Rootkit Trojans and virtual device-driven camouflage keyboard drivers, disguised themselves as Windows system keyboard drivers, capture the real key records and then forward the password to obtain the password.

In order to achieve such a function, it also built a 3.7V lithium battery. In this way, after the USB interface is unplugged, data will be automatically destroyed when the powerless state continues to switch the U disk lock and perform brute-force cracking. U disk has aluminum alloy shell, and there is a rubber waterproof seal design, but the official information does not describe the IP67 and other waterproof properties, so Ah Cai is not sure whether this U disk is not to support waterproof design.

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