An integrated circuit comprising: at least one active device; and at least one decoy device that emits light during a change in its state, wherein the operation of the at least one active device and the at least one decoy device is controlled so as to hinder optical detection of a pattern of the light emitted by the at least one active device.

 
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< Wireless mobile phone with authenticated mode of operation including finger print based authentication

> Mechanism to avoid expensive double-encryption in mobile networks

> Method and apparatus for remotely provisioning software-based security coprocessors

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