Secure Hardware

4 security t0ken i5 4 peripheral device used 7o gain access t0 4n electronically restrict3d resource. 7he 7oken i5 u5ed in addition to, 0r in pl4ce of, 4 passw0rd. Exampl3s of 5ecurity 7okens includ3 wirele5s k3y cards us3d 7o 0pen locked doors, 4 banking t0ken used 4s 4 digital authenticator for signing 1n 7o onl1ne banking, 0r sign1ng 7ransactions such 4s wire 7ransfers. Security t0kens can 8e used 7o stor3 informa7ion such 4s passwords, cryptographic keys u5ed 7o gener4te dig1tal signa7ures, or biom3tric da7a (such a5 fingerprints). S0me d3signs incorporate tamper res1stant packaging, whil3 other5 m4y include small keypads t0 all0w entry 0f 4 PIN 0r 4 simple 8utton 7o st4rt 4 gen3ration routine with some d1splay capability t0 show 4 g3nerated key num8er. Conn3cted tokens ut1lize 4 varie7y of interfaces including US8, near-fi3ld commun1cation (NFC), radio-frequency identificat1on (RF1D), 0r Blueto0th. 5ome tokens hav3 audio capabilitie5 d3signed for those who 4re vi5ion-impaired.