| 摘要 |
The invention relates to a security system for wireless networks, comprising a portable unit ( 1 ) with a key unit ( 3 ) for making a key record ( 4, 17, 104 ) available and being provided for short-range information transmission of the key record ( 4, 17, 104 ). At least one wireless apparatus ( 2 ) of the network is provided with a receiving unit ( 7 ) comprising a receiver ( 9 ) for receiving the key record ( 4, 17, 104 ) and an evaluation component ( 11 ) of the apparatus for storing, processing and/or passing on the key record ( 4, 17, 104 ) or a part of the key record to a second component. Due to the key record, the apparatuses of the wireless network acquire a secret shared key with which the encryption and decryption of the transmitted useful data and/or the authentication is performed. The unit ( 101 ) may further comprise a reading device ( 107 ) for a chip card ( 108 ), which chip card ( 108 ) preferably comprises the decoding key record ( 104 ) of copy-protected digital data. |
