| 主权项 |
1. Authentication system comprising:
a reader with at least one reader interface to exchange meta information with different authentication media, a logic unit, connected to the reader, and operable to process the meta information exchanged with different authentication media, at least one first authentication medium comprising a first interface to exchange meta information with the reader, the first authentication medium including a memory operable to store authentication data to be processed within the logic unit based on at least one specific authentication rule; a meta authentication medium for assembling and carrying information to control derivation of at least one third authentication medium of a lower authentication level than the at least one first authentication medium, the meta authentication medium further comprising:
a second interface to exchange information with the reader, second memory means configured to store meta information based on authentication data received via the reader from several first authentication media, and to store information for operating the logic unit to derive the at least one third authentication medium of the lower authentication level based on the meta information. |
