| 摘要 |
An identification system includes at least one user medium, which is equipped to store a derived key and authenticate itself using the same with respect to a write and/or read device. Furthermore, at least one key dispensing medium is present, which comprises a monolithic first integrated circuit having storage means and processor means, wherein the first integrated circuit is equipped to store a source key and derive therefrom the derived key and to pass it on for storage in the user medium, wherein the user medium is enabled neither directly nor by way of aids to read the source key from the key dispensing medium and/or the user medium is not enabled to calculate a derived key. |
