RSA SecurID SD520 PINpad - hardware token

RSA SecurID 520 hardware PINpad card is also a credit-card-shaped device that is easily portable and extremely durable. It differs from the RSA SecurID 200 in that with the RSA SecurID 520, the user enters his PIN via a 10-digit numeric keypad that is contained on the card. The code displayed is a hash-encrypted combination of the PIN and the current authenticator code.