| 摘要 |
The invention relates to a system for information access control, comprising: a mobile apparatus (300), for memorising a private signature key (key_priv) and means (330), for signing a message (m) representing said information, use of the private signature key (key_priv) and personal mobile apparatus (300) user data and a signature server (200), for memorising a public verification key (key_pub), associated with the signature key (key_priv) and means (230), for verifying the validity of said signature(s) using the public verification key (key_pub) and an access device (100), for invoking restriction as a function of the result of said verification. The above is of use for parental access control. |
