Private key is export-forbidden from the token.

Private key and sensitive data are never exposed to even the computer on which the token is
residing, and not vulnerable to viruses and other threats.

Operations of encryption by private key and user authentication are executed on-board the
microprocessor chip of the biometric smart USB token.

The biometric technology on smart USB token assures that only the genuine owner of the token
can be authenticated by his or her finger.

Every single using of digital signature requests once user authentication.