| 摘要 |
A number (n) of keys is assigned to an anti-theft system. In order to initialize the anti-theft system, at least the number minus one (n-1) keys must be present so that new coding data can be formed using the previous coding data. During the initialization, the number of all the authorized keys is written into each key. If the vehicle is stolen, the insurer of the vehicle can thus compare the number of authorized keys with the keys that are actually submitted.
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