Invention Grant
US08166558B2 System and method for upgrading the functionality of a controlling device in a secure manner 有权
用于以安全的方式升级控制设备的功能的系统和方法

System and method for upgrading the functionality of a controlling device in a secure manner
Abstract:
Secure access to a database of upgrade data is provided by storing an encryption key value in a cable used to interconnect a first device and a second device that is associated with the database of upgrade data. The second device allows access to the database of upgrade data via the cable only when the cable is first positively authenticated by the second device through use of the encryption key value stored in the cable.
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