Hiddn KryptoDisk 2 Manual do utilizador - Página 11
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USER PRIMARY AND DATA RESTORE CARD
Both the KryptoDisk 2 and the corresponding smart card can be zeroized, either separately or together. This
disables all communication between the KryptoDisk 2 and the paired smart card. After a zeroization, the smart
card is useless and must be replaced with either the user data restore card or a new user primary card.
There are various alternatives for zeroizing, and which to use depends on what your objective is. The
alternatives, their uses and their consequences are listed below.
NB: If you zeroize after initialising the KryptoDisk 2 with the user data restore card, all data on the device will
be lost. Make sure that you have backed up your data before doing this.
Zeroize without the user primary card or user data restore card inserted
This method is used if your user primary card is lost, stolen or malfunctioning.
When you zeroize without a smart card inserted, the encryption module in the KryptoDisk 2 deletes the
communication key stored in the device, thus making it permanently unable to communicate with the smart
card it was paired with during initialisation. To access the data on the device, you must use the user data
restore card.
To zeroize without a smart card inserted, power up your device by connecting the KryptoDisk 2 to USB power
and enter the Admin menu. Select the Zeroize option and confirm by entering "Y" (press the 9-key). If you want
to cancel, enter "N" (press the 6-key). The device will confirm and prompt you to restart the device. Disconnect
and reconnect the USB cable to complete the zeroize process.
To regain access to the data on the KryptoDisk 2 follow the procedure Initialize the KryptoDisk 2 encryption
module explained in sectionError! Reference source not found. 2 when replacing user primary card with user
data restore card.
Zeroize both the smart card and the KryptoDisk 2
This method is used if you are replacing your smart cards.
NB: Be sure to have a verified backup of the contents of the KryptoDisk 2 before zeroizing both the smart card
and the KryptoDisk 2.
When you zeroize both the smart card and the KryptoDisk 2, the encryption module in the KryptoDisk 2 deletes
both the communication key stored in the device, and the communication key stored on the smart card.
Deleting the communication key from the smart card adds another layer of security, as compared to deleting
the key from the KryptoDisk 2 only.
To zeroize both the smart card and the KryptoDisk 2, power up your device with the smart card inserted and
enter the Admin menu. Select the Zeroize option and confirm by entering "Y" (press the 9-key). If you want to
cancel, enter "N" (press the 6-key).
If running on USB power, the KryptoDisk 2 will confirm and prompt you to restart the device. Disconnect and
reconnect the USB cable, and the device will confirm that the zeroization was successful.
If running on battery power, the KryptoDisk 2 will only zeroize the smart card. You will then be prompted to
connect the device to a computer. When connected to USB power, the device will confirm that the KryptoDisk
2 is also zeroized.
To regain access to the data on the KryptoDisk 2 follow the procedure Initialize the KryptoDisk 2 encryption
module in the section 2 when using the user primary card from a new card set and restore data from backup.
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