Digittrade Kobra Stick handleiding

Handleiding

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1.1 Encryption

- 256-Bit AES full-disk encryption in XTS mode

The encryption module integrated in the safety housing carries out a complete encryption

of the KOBRA Stick. Every byte saved and each written sector on the storage device is

encrypted in XTS mode, using two cryptographic keys according to the 256-Bit AES

(Advanced Encryption Standard).

The KOBRA Stick also encrypts temporary data and areas that are often ignored by

encryption software.

Storage

PIN

authentication

Plaintext data transfer encrypted data transmission

KOBRA Stick

hardware encrypted

AES

Crypto-Engine

1.2 Access control

- Access is granted by entering a user PIN.

The KOBRA Stick automatically creates a new encryption key and resets the user PIN to

the default setting as soon as the permitted number of incorrect PIN entries has been

exceeded. Access to the data stored on the stick is then no longer possible.

1.3 Management of the cryptographic keys

The user can generate, change or destroy the cryptographic keys at any time. This process

is irreversible. After the generation of new cryptographic keys, the old cryptographic

keys and thus all data stored on the data carrier are irreversibly destroyed. Therefore, any

information stored on the stick should first be saved on another encrypted data carrier,

where necessary.

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