Method for protecting electronic device, and electronic device
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United States of America Patent
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Oct 23, 2012
Grant Date -
Jan 9, 2003
app pub date -
Jun 21, 2002
filing date -
Jun 29, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to an electronic device, which comprises an operational unit and a user-specific module. Data in the device, necessary for checking the user-specific module, is protected with a key of the encryption method employed by the device manufacturer. A verification key of the encryption method employed by the electronic device manufacturer is stored in the operational unit, by means of which verification key the data necessary for checking the user-specific module is verified.
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